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Artículos de revistas sobre el tema "Sweet corn – Storage"

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Publicado: 4 de junio de 2021
Última modificación: 3 de febrero de 2022

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1

Collins, J. K., C. Biles, E. V. Wann y P. Perkins-Veazie. "PEROXIDASE ACTIVITY DIFFERS IN SWEET CORN GENOTYPES". HortScience 30, n.º 3 (junio de 1995): 434c—434. http://dx.doi.org/10.21273/hortsci.30.3.434c.

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Increased peroxidase activity is used to predict development of off-flavor in frozen sweet corn. However, peroxidase activity was not indicative of flavor changes in frozen supersweet (sh2) or sugar enhanced (sul/se) sweet corn genotypes. These results suggested an inactivation or absence of certain peroxidase isozymes. Frozen `Florida Staysweet' (sh2), `Merit' (sul), and `Bodacious' (sul/se) kernels were cut from cobs after 0 and 12 months of storage. Proteins extracted from acetone powders were separated by isoelectric focusing (IEF) and Native-PAGE. Banding patterns differed according to cultivar and storage duration. All cultivars contained a peroxidase isozyme having a molecular weight of 99 kD and pI of 4.5. The sul/se and su2 cultivars expressed an additional peroxidase band of 17.9 kD. An additional peroxidase isozyme (pI 5.0) appeared after 12 months of storage in the sul cultivar. This isozyme did not appear in sul/se or sh2 and is a possible marker for predicting off-flavor in corn. This isozyme may also catalyze off-flavor reactions in sul corn genotypes. Although changes in total peroxidase activity may not predict flavor loss in all genotypes, certain peroxidase isozymes may be useful in predicting and catalyzing off-flavor reactions in sul corn cultivars.
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2

Türk, R., I. Turgut y S. Aydincioglu. "QUALITY CHANGES OF SWEET CORN CULTIVARS DURING COLD STORAGE". Acta Horticulturae, n.º 553 (junio de 2001): 759–60. http://dx.doi.org/10.17660/actahortic.2001.553.192.

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3

Bajčan, D., J. Tomáš, G. Uhlířová, J. Árvay, P. Trebichalský, R. Stanovič y V. Šimanský. "Antioxidant potential of spinach, peas and sweet corn in relation to freezing period". Czech Journal of Food Sciences 31, No. 6 (18 de noviembre de 2013): 613–18. http://dx.doi.org/10.17221/529/2012-cjfs.

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We evaluated changes in the content of total polyphenols and antioxidant activity of frozen spinach, peas, and sweet corn in relation to the storage period. Total polyphenol content and antioxidant activity in analysed samples were determined by colorimetric methods. Both parameters were analysed in frozen samples monthly and the changes were monitored during storage in a freezing box at a temperature of –18°C for 10 months. Freezing had a different influence on the levels of total polyphenol content and antioxidant activity in individual analysed samples. The greatest decrease in antioxidant activity during the entire period of freezing was recorded in spinach (79.4%), while the lowest decrease was observed in peas (26.8%). A relatively significant decrease in antioxidant activity was also found in sweet corn (62.7%). On the contrary, the greatest decrease of total polyphenol content throughout the period of freezing was found in peas (62.0%), and lowest decrease was recorded in sweet corn (only 5.0%). The total polyphenol content in spinach decreased by 43.1% after 10 months of storage.
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4

Barátová, Silvia, Miroslav Šlosár y Alena Andrejiová. "Examination of Basic Variety Characteristics of Sweet Corn in Conditions of the Southern Slovakia". Acta Horticulturae et Regiotecturae 19, n.º 1 (1 de mayo de 2016): 4–7. http://dx.doi.org/10.1515/ahr-2016-0002.

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Abstract The production of sweet corn has been increased recently. It is a very delicious vegetable species with wide variety assortment. Nowadays, new varieties which come to markets are characterized by improved properties, higher sugar content and their stability in storage. Thus, it is necessary to know basic variety parameters for better orientation in wide corn assortment. According to earliness, sweet corn varieties were classified to following groups: very early or early (RISING SUN F1; 874 F1; SF 1073 F1; SF 583 F1); middle-late (SF 681 F1; 1027 F1; ASTRONAUT F1); late (GALAXY F1; SPACE SHIP F1) and very late (MATADOR F1). The day number from tassel anthesis to harvest is an important parameter of sweet corn for potential grower and its lowest value was found at variety RISING SUN F1. On the basis of gained results, we classified all evaluated varieties to the group of super-sweet corn (sh-2) with slow decline of sugar content and storage possibility in cold conditions from 4 to 7 days after harvest. The sugar content of sweet corn is a parameter having important role for purchase by consumers. The variety had statistically significant impact to the sugar content and its highest value was determined at variety 874 F1.
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5

Meng, Jian Qing, Xiao Yu Jia, Wei Qiao Yang y Xi Hong Li. "Effect of Multiple Gas Media Package on Preservation of Fresh Sweet Corn at Room Temperature". Applied Mechanics and Materials 477-478 (diciembre de 2013): 1354–58. http://dx.doi.org/10.4028/www.scientific.net/amm.477-478.1354.

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Effects of different methods of gas package on freshness of harvested fresh Sweet Corn, at room temperature in its shelf life were investigated. The harvested fresh Sweet Corn were packaged under vacuum, air, N2 or CO2, respectively, and then stored 90 days at 30°Cafter the high temperature sterilization. After the sterilization and during storage, the changes of aerobic plate count, water content, soluble sugar content, and TPA were determined. The results showed that compared with others, the package with N2 could inhibit the growth of microorganisms, kept the content of water, soluble sugar and fat. After 90 days, TPA showed that the package in nitrogen could improve the quality of sweet corns.
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6

McClure, G. B. y N. S. Lang. "ROLE OF SEED STORAGE RESERVES IN OSMOCONDITIONING OF SWEET CORN". HortScience 27, n.º 6 (junio de 1992): 662a—662. http://dx.doi.org/10.21273/hortsci.27.6.662a.

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Interconversions of seed storage reserves during osmoconditioning (controlled imbibition of water) may influence seed performance under suboptimal conditions. Sweet corn (Zen mays L. cv. Florida Staysweet) storage reserve changes were examined during osmoconditioning in relation to seed germination performance. Seeds were osmoconditioned in two experiments using distilled water (duration 3, 6, 9, 12, and 24 h) and polyethylene glycol 8000 solutions (0, .5, and 1.0 MPa for 12, 24, 48, 72 and 96 h). Germination performance was evaluated at 10 and 25C, and seed moisture, carbohydrate, and protein concentrations were quantified at each water potential x duration combination. Germination performance was not significantly improved by any treatment at 25C. Germination percentage at 10C was increased 10% for seeds osmoconditioned for 24 h in distilled water, and time to germination was decreased 50%. For seeds osmoconditioned 12 and 48 h at .5 and 1.0 MPa, respectively, germination percentage at 10C was increased 15%. Time to germination was reduced 50% for seeds osmoconditioned at .5 and 1.0 MPa after 48 and 96 h, respectively. Starch levels increased for seeds osmoconditioned at higher water potentials, but remained the same or decreased at lower water potentials.
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7

Xiaolong, Shao y Li Yunfei. "Quality control of fresh sweet corn in controlled freezing-point storage". African Journal of Biotechnology 10, n.º 65 (24 de octubre de 2011): 14534–42. http://dx.doi.org/10.5897/ajb10.1940.

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8

Rahmani, Annisa Nur y Anne Nuraini, Sumadi, Dedi Ruswandi, Agus Wahyudin. "Physical And Physiological Quality Of Sweet Corn Seeds Of Unpad Hybrid Parental line seed after 2 and 4 Month Storage". AGRIFOR 17, n.º 2 (10 de octubre de 2018): 223. http://dx.doi.org/10.31293/af.v17i2.3458.

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Sweet corn is a cultivated plant grown dor fresh consumpption or food industry. The purpose of this study was to examine the physical seed quality and physiological seed quality during storage. The research was conducted in Laboratorium Teknologi Benih Universitas Padjajaran in July 2017 until November 2017. The study consisted of one experiments carried out by using a completely randomized design with two replication using 16 genotypes between Unpad sweet corn seed crossed with released varieties such as Bonanza, Latanza, Sweet boy and Talenta and Unpad sweet corn seed were not crossed with released varieties. Results from this study showed that genotype 533 as the best physical quality in the parameters of 100 grain weight and water content of seed. genotype 871 as the best physical quality in the parameters of germination capacity and seed growth simultaneously. Results from this study also showed that genotype 974 as the lowest physical quality in the parameters of 100 grain weight and water content of seed. genotype 858 as the lowest physical quality in the parameters of germination capacity and seed growth simultaneously.
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9

Novianti, Muli, Vanny M. A. Tiwow y Kasmudin Mustapa. "Analisis Kadar Glukosa pada Nasi Putih dan Nasi Jagung dengan Menggunakan Metode Spektronik 20". Jurnal Akademika Kimia 6, n.º 2 (8 de diciembre de 2017): 107. http://dx.doi.org/10.22487/j24775185.2017.v6.i2.9241.

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Study on the main content of carbohydrates in rice and corn has been done. This study aims to determine the glucose level in a mixture of corn and rice with a certain ratio prior and during storage in a rice cooker. Spectronic 20 was used in this study to measure the absorption wavelength of sample solutions. Samples used in this study were from rice and sweet corn (Zea mays L. Saccharata) in various ratios of 1:0, 0:1, 1:1, 1:2, 2:1, 3:1 and 1:3, and variations in storage of 0, 1, 6, 12, 18, 24, 30, and 36 hours. The results showed that the highest glucose level in corn were of 32.250 ppm within 12 hours storage, and 40.447 ppm in rice for 12 hours storage. The highest level of glucose in mixture of corn and rice for 12 hours storage was 67.546 ppm at a ratio of 1 : 3.
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10

Tsuge, Kazuki, Sota Onaka, Shumpei Imai y Satoru Motoki. "Kernel Shriveling of Sweet Corn During Storage in Different Forms of Ear". Horticultural Research (Japan) 16, n.º 2 (2017): 185–95. http://dx.doi.org/10.2503/hrj.16.185.

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11

Entwistle, G. y T. ap Rees. "Lack of fructose-1,6-bisphosphatase in a range of higher plants that store starch". Biochemical Journal 271, n.º 2 (15 de octubre de 1990): 467–72. http://dx.doi.org/10.1042/bj2710467.

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The aim of this work was to discover whether fructose-1,6-bisphosphatase (FBPase) is present in higher-plant cells that synthesize storage starch. The following were examined: suspension cultures of soybean (Glycine max), tubers of potato (Solanum tuberosum), florets of cauliflower (Brassica oleracea), developing endosperm of maize and of sweet corn (Zea mays), roots of pea (Pisum sativum), and the developing embryos of round and wrinkled varieties of pea. Unfractionated extracts of each tissue readily converted fructose 1,6-bisphosphate to fructose 6-phosphate in assays for both plastidic and cytosolic FBPase. These conversions were not inhibited by 20 microM-fructose 2,6-bisphosphate. Except in extracts of pea embryos and sweet-corn endosperm, treatment with affinity-purified antibodies to pyrophosphate: fructose-6-phosphate 1-phosphotransferase reduced the above fructose 6-phosphate production to the rate found with boiled extracts. The antibody-resistant activity from sweet corn was slight. In immunoblot analyses, antibody to plastidic FBPase did not react positively with any protein in extracts of soybean cells, potato tuber, cauliflower florets, maize endosperm and pea roots. Positive reactions were found for extracts of embryos of both round and wrinkled varieties of peas and endosperm of sweet corn. For pea embryos, but not for sweet-corn endosperm, the Mr of the recognized protein corresponded to that of plastidic FBPase. It is argued that soybean cells, potato tuber, cauliflower florets, maize (var. White Horse Tooth) endosperm and pea roots lack significant activity of plastidic FBPase, but that this enzyme is present in developing embryos of pea. The data for sweet corn (var. Golden Bantam) are not decisive. It is also argued that, where FBPase is absent, carbon for starch synthesis does not enter the amyloplast as triose phosphate.
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12

Ifediba, D. I. y C. N. Ozoh. "Effects of Storage on Physicochemical Properties and Microbiological Qualities of African Breadfruit-Corn Yoghurt". European Scientific Journal, ESJ 14, n.º 6 (28 de febrero de 2018): 172. http://dx.doi.org/10.19044/esj.2018.v14n6p172.

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African breadfruit-corn milk was obtained from blend of extracts of African breadfruit (Treculia africana var africana) and sweet corn (Golden cob F1) on 60:40 proportions. The breadfruit-corn milk was fermented to give a yoghurt-like product using inoculums from activated batch of dried starter culture and previously made breadfruit-corn milk. The breadfruit-corn yoghurt was stored in the refrigerator for four weeks, during which changes in physicochemical properties and microbiological qualities were examined weekly against commercial dairy yoghurt. It was found that changes in total solids, pH, titratable acidity, apparent viscosity, syneresis, water holding capacity followed similar trends, except for the whey drainage of the commercial dairy yoghurt which was constant at 0.00. The two yoghurt samples also exhibited similar microbiological changes during the period of study. Thus suggesting that non-dairy yoghurt from African breadfruit-corn milk shared common keeping characteristics with the dairy yoghurt.
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13

Chiu, K. Y., C. L. Chen y J. M. Sung. "Partial vacuum storage improves the longevity of primed sh-2 sweet corn seeds". Scientia Horticulturae 98, n.º 2 (abril de 2003): 99–111. http://dx.doi.org/10.1016/s0304-4238(02)00206-6.

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14

Khatir, Rita, Ratna Ratna y Mega Apriesti Puri. "PENDUGAAN UMUR SIMPAN JAGUNG MANIS BERDASARKAN KANDUNGAN TOTAL PADATAN TERLARUT DENGAN MODEL ARRHENIUS (Shelf Life Estimation of Sweet Corn Based on Its Total Soluble Solid by Using Arrhenius Model)". Jurnal Agritech 35, n.º 02 (2 de septiembre de 2015): 200. http://dx.doi.org/10.22146/agritech.13831.

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Sweet corn has short shelf life at room temperature storage in the tropical countries (28-33°C). The quality deterioration of sweet corn can be determined by the decrease of its sugar content. The study aimed to estimate the shelf life of sweet corn based on the reduction of its total soluble solid (TSS) by using Arrhenius model. The samples were prepared from fresh harvested corn stored for 10 days at 3 different temperatures of 5, 15 and 28 °C. Total soluble solid (TSS) were analyzed every day by using abbe refractrometer. Organoleptic analysis was used by using hedonic scales from 1 to 7. The analysis was conducted until respondents had graded the samples at score 5 (dislike slightly), 6 (dislike) and approaches can be used to calculate the shelf life of sweet corn. The acceleration factor for the TSS degradation at null approach, it was estimated that if the sweet corn were stored at temperature of 30, 25, 20, 15, 10 and 5°C, the shelf temperatures, the shelf life of sweet corn would be 3.7, 4.5, 5.6, 6.8, 8.4, and 10.3 days. In conclusion, the shelf life predictions of sweet corn were valid well with the experimental results. Keywords: Sweet corn, shelf life, total soluble solid ABSTRAKUmur simpan jagung manis relatif singkat apalagi kalau disimpan pada suhu ruang di negara-negara tropis (28-32°C). Kerusakan jagung manis dapat diindikasikan dengan penurunan kandungan gulanya. Penelitian ini bertujuan untuk menduga umur simpan jagung manis berdasarkan reaksi penurunan kandungan total padatan terlarutnya (TPT) dengan pendekatan model Arrhenius. Jagung manis segar yang baru siap panen segera disimpan selama 10 hari pada 3 kombinasi suhu yaitu 5, 15 dan 28°C. Setiap hari dilakukan analisis kandungan TPT dengan . Uji organoleptik dilakukan dengan skala hedonik 1-7. Proses pengamatan dihentikan apabila responden telah memberikan nilai 5 (agak tidak suka), 6 (tidak suka) dan 7 (sangat tidak suka). Pendekatan model Arrhenius dilakukan dengan dua persamaan yaitu persamaan orde 0 dan orde 1. Hasil analisis menunjukkan bahwa kedua persamaan tersebut dapat dipergunakan untuk menduga umur simpan jagung. Nilai faktor percepatan reaksi penurunan mutu (Q) untuk persamaan orde 0 adalah 1,49, sedangkan nilai Q10 untuk persamaan orde 1 adalah 1,51. Dengan menggunakan pendekatan orde 0, penyimpanan jagung manis pada suhu 30, 25, 20,15, 10 dan 5°C akan berpengaruh kepada umur simpan jagung manis menjadi 3,7, 4,5, 5,5, 6,7, 8,2, dan 10 hari. Sedangkan dengan pendekatan orde 1, penyimpanan jagung manis pada suhu yang sama akan berpengaruh kepada umur simpan jagung manis menjadi 3,7, 4,5, 5,6, 6,8, 8,4, dan 10,3 hari. Dapat ditarik kesimpulan bahwa hasil dugaan tersebut sangat valid dengan hasil observasi.Kata kunci: Jagung manis, umur simpan, total padatan terlarut
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15

Rahayu, Niki, Anne Nuraini y Sumadi Sumadi. "THE EFFECT OF GENOTYPE QUALITY OF UNPAD SWEET CORN SEEDS TOWARDS ITS PHYSIOLOGICAL QUALITY". Jurnal Penelitian Saintek 23, n.º 2 (14 de febrero de 2019): 103–11. http://dx.doi.org/10.21831/jps.v23i2.19266.

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This study was aimed at determining the effect of genotype quality of Unpad sweet corn seeds on physiological quality after four months of storage. The experimental design used was a completely randomized design with a treatment factor of 16 genotypes of sweet corn with 2 replications. The data were analyzed using the F test, if there was a significant difference in Scott Knott’s test at the level of 5%. All of the seed genotypes had different qualities, so there was a significant difference in 100 grain weight parameters, germination and simultaneous growth based on ANOVA test. Seeds that had good initial physical quality are able to maintain quality until the end of storage period. After the storage period there is the best genotype, namely with code 613 which is able to maintain its physical-physiological quality until the end of storage. Based on the results of the study, it can be concluded that the genotype of sweet corn seed npad Genotype 613 (P5 x P1 (x) (3)) has good physical and physiological qualities and can be used as a candidate for hybrid elders. This is seen from the quality of seeds that meet the requirements of quality seed characters from 100 grain weight parameters and germination.PENGARUH MUTU GENOTIP BENIH JAGUNG MANIS UNPAD TERHADAP MUTU FISIOLOGISPenelitian ini bertujuan untuk mengetahui pengaruh mutu genotip benih jagung manis Unpad terhadap mutu fisiologis setelah empat bulan penyimpanan. Rancangan percobaan yang digunakan yaitu Rancangan Acak Lengkap dengan faktor perlakuan 16 genotipe jagung manis dengan 2 ulangan. Data dianalisis menggunakan uji F, apabila terdapat perbedaan yang signifikan dilakukan uji lanjut Scott Knott taraf 5 %.Semua genotip benih memiliki mutu yang berbeda, sehingga terdapat perbedaan yang signifikan pada parameter bobot 100 butir, daya berkecambah dan keserempakan tumbuh berdasarkan uji anova. Benih yang memiliki mutu fisik awal yang baik mampu mempertahankan mutu sampai periode akhir penyimpanan. Setelah periode simpan terdapat genotip terbaik yaitu dengan kode 613 yang mampu mempertahankan mutu fisik-fisiologisnya sampai akhir penyimpanan. Berdasarkan hasil penelitian dapat diambil kesimpulan bahwa genotip benih jagung manis Unpad Genotip 613 (P5 x P1 (x) (3)) memiliki mutu fisik dan fisiologis yang baik dan dapat dijadikan sebagai calon tetua hibrida. Hal ini dilihat dari kualitas benih yang memenuhi syarat karakter benih bermutu dari parameter bobot 100 butir dan daya berkecambah.
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Suktanarak, S., P. Supprung y S. Teerachaichayut. "Classification of sweet corn based on storage time after harvest using near infrared spectroscopy". Acta Horticulturae, n.º 1152 (marzo de 2017): 47–54. http://dx.doi.org/10.17660/actahortic.2017.1152.7.

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17

Aharoni, Y., Azica Copel, M. Gil y E. Fallik. "Polyolefin stretch films maintain the quality of sweet corn during storage and shelf-life". Postharvest Biology and Technology 7, n.º 1-2 (enero de 1996): 171–76. http://dx.doi.org/10.1016/0925-5214(95)00017-8.

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18

Saleh, Ali, Abdellatif A. Mohamed, Mohammed S. Alamri, Shahzad Hussain, Akram A. Qasem y Mohamed A. Ibraheem. "Effect of Different Starches on the Rheological, Sensory and Storage Attributes of Non-fat Set Yogurt". Foods 9, n.º 1 (7 de enero de 2020): 61. http://dx.doi.org/10.3390/foods9010061.

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This study was conducted to investigate the effect of various native starches on the rheological and textural properties of non-fat set yogurt. The yogurt samples were prepared while using five types of starches (potato, sweet potato, corn, chickpea, and Turkish beans). The physical properties of the prepared yogurt were analyzed while using shear viscosity, viscoelasticity, and texture analysis. The tests were performed after 0, 7, and 15 days storage. The effect of these starches on the yogurt viscoelastic properties, texture, syneresis, and sensory evaluation were determined under optimum conditions. The results showed that adding 1% starch could significantly (p < 0.05) reduce syneresis and improve yogurt firmness. Starches exhibited different effect on the overall quality of the yogurt due to their origin and amylose content. Regardless of the number of storage period duration, all of the samples, including the control behaved as pseudoplastic materials (n < 1) with various levels of pseudoplasticity. Yogurts with corn and tuber starches had the highest consistency coefficient (k), which indicated higher viscosity. The yogurt sample with chickpea starch exhibited the highest G´, making the gel more solid like. Therefore, the influence of tuber starches (potato and sweet potato) on G´ was different when compared to corn or legume starches. The behavior of the starches changed with storage time, where some starches performed better only at the beginning of the storage period duration. Wheying-off was significantly reduced, regardless of starch type. The pH of the yogurt remained unchanged through storage. Sensory evaluation showed a preference for starch-containing samples as compared to the control, regardless of the starch type. The variation in yogurt quality as a function of starch type could be attributed to the starch granule structure, gelatinization mechanism, or amylose content.
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19

Nasution, Musyirna Rahmah y Winda Sri Wahyuni. "Effect of Storage Duration on Physicochemical and Antibacterial Activities of Sweet Corn-based Synbiotic Yogurt with Honey". Acta Chimica Asiana 3, n.º 2 (18 de octubre de 2020): 174. http://dx.doi.org/10.29303/aca.v3i2.38.

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Synbiotic yogurt is fermented milk containing probiotics and prebiotics. The quality of symbiotic yogurt products during cold storage must meet the SNI quality requirements (2981-2009). This study aimed to find the effect of yogurt storage duration on physicochemical properties and antibacterial activity for the best yogurt storage time. In this study, synbiotic yogurt was made from sweet corn, honey, and full cream milk as prebiotics and Lactobacillus acidophilus and Bifidobacterium bifidum as probiotics. The tests carried out include testing total coliform, total lactic acid bacteria, degree of acidity (pH), total titrated acid, organoleptic quality, and antibacterial activity. The tests were carried out on days 0, 5, 10, 15, and 20. The results showed that storage duration affected product quality and antibacterial activity. The best storage duration for yogurt was found to be ten days, where the yogurt stored for ten days found to have a total coliform of 0 APM/g, total lactic acid bacteria of 2.81 x 1012, total lactic acid of 1.684%, pH value of 3.5 and was still preferred and could be accepted by the panelists, based on the organoleptic assessments. The yogurt stored for ten days also gave the largest average inhibition diameter of 21.78 mm with the category 'very strong' against Escherichia coli and 22.13 mm with the classification 'very strong' against Salmonella typhi. The yogurt stored for up to 10 days still met the SNI yogurt quality standard requirements (2981: 2009).
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Riad, G. S., J. K. Brecht y S. T. Talcott. "BROWNING OF FRESH-CUT SWEET CORN KERNELS AFTER COOKING IS PREVENTED BY CONTROLLED ATMOSPHERE STORAGE". Acta Horticulturae, n.º 628 (diciembre de 2003): 387–94. http://dx.doi.org/10.17660/actahortic.2003.628.48.

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Kumar, Navneet, Sagar Kachhadiya y Pratik Nayi. "Storage stability and characterization of biochemical, rehydration and colour characteristics of dehydrated sweet corn kernels". Journal of Stored Products Research 87 (mayo de 2020): 101619. http://dx.doi.org/10.1016/j.jspr.2020.101619.

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TATEISHI, Koichi, Mitsuhiro KUMAGAI, Akifumi NAKAMURA, Toshie KOBAYASHI y Takashi IIJIMA. "Studies on sugars in sweet corn (Zea mays L. Saccharata) kernels. Part II. Changes in sugar content of sweet corn kernels and its relation to respiration during storage." NIPPON SHOKUHIN KOGYO GAKKAISHI 33, n.º 8 (1986): 592–97. http://dx.doi.org/10.3136/nskkk1962.33.8_592.

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Angelia, Ika Okhtora y Abd Azis Hasan. "PENGARUH LAMA PERENDAMAN DAN KONSENTRASI NATRIUM METABISULFIT TERHADAP KANDUNGAN VITAMIN C DAN TINGKAT KECERAHAN DALAM PEMBUATAN TEPUNG UBI JALAR, TEPUNG JAGUNG DAN TEPUNG SINGKONG". Jurnal Technopreneur (JTech) 6, n.º 2 (28 de noviembre de 2018): 67. http://dx.doi.org/10.30869/jtech.v6i2.200.

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The types of plants commonly used to making flour include tubers that have carbohydrates that resemble as wheat, are sweet potatoes, potatoes, corn, and cassava. The problem often faced by food containing carbohydrates is easy to a browning reaction because of the activity of polyphenols and oxidation enzymes which can convert polyphenols into polycarbonate insulation. The defective that causes color changes during storage can be overcome by using additives that are standard and safe for consumption such as Natrium Metabisulfite. The effect of soaking time on Natrium Metabisulfite on the whitish degree of flour will also be studied. This study was conducted to determine Vitamin C level and the whitish degree of flour in the process of making cassava flour, sweet potato flour and corn flour. The research used factorial design with three treatment combinations and each treatment was repeated three times with two factors, soaking length (15 minutes, 30 minutes , 45 minutes) and Natrium Metabisulfite concentration (1 gram , 2 gram , 3 gram). The results showed that sweet potato flour of had the highest significant effect the whitish degree of flour (treatment A3N3) and vitamin C (treatment A2N3). Soaking length and Natrium Metabisulfite had significant effect the whitish degree of flour and vitamin C.
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Liu, S., H. Zhang y S. Zheng. "EFFECT OF PRESSURE PRE-COOLING, ROOM PRE-COOLING AND COLD STORAGE ON QUALITY OF SWEET CORN". Acta Horticulturae, n.º 934 (junio de 2012): 1247–54. http://dx.doi.org/10.17660/actahortic.2012.934.169.

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Seal, Dakshina R., Richard B. Chalfant y R. McSorley. "Seasonal Abundance and Mathematical Distribution of Wireworms and Wireworm Feeding Damage in Sweet Potato". Journal of Entomological Science 32, n.º 3 (1 de julio de 1997): 311–20. http://dx.doi.org/10.18474/0749-8004-32.3.311.

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Seasonal abundance and spatial distribution of wireworm feeding damage were determined for sweet potato by examining storage roots. Spatial distribution of wireworms was determined by sampling corn-wheat seed baits. Wireworm feeding damage (deep, shallow and healed holes) increased as the season progressed. The distribution of wireworms in sweet potato fields was clumped as was feeding damage distribution. The spatial distribution of wireworm damage on sweet potato roots fits the negative binomial distribution. Values for the negative binomial parameter k for two fields indicated a clustered distribution of wireworm feeding damage. Greater k-values for healed feeding damage and total feeding damage than for deep and shallow feeding damage indicate that sample size could be adjusted, depending on seasons, to achieve optimal sampling efficiency. As feeding damage can predict wireworm populations, a sampling strategy based on early-season wireworm damage data is particularly timely, efficient and economical for evaluating wireworm damage data.
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26

Yang, Wei Qiao, Hai Dong Liu, Xi Hong Li, Chong Xiao Shao, Mei Mei Hao, Xiao Yu Jia y Yao Yao Li. "Effect of Dipping in Sodium Bisulfite Solution and Packaging under Nitrogen on Fresh Sweet Corn during High Temperature Sterilization and Shelf-Life". Advanced Materials Research 915-916 (abril de 2014): 879–82. http://dx.doi.org/10.4028/www.scientific.net/amr.915-916.879.

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The aim of this study was to determine the effect of dipping in 1% sodium bisulfite solution and packaging under nitrogen on qualitative properties of fresh sweet corn (Zea mays L.) sterilized at 121°C for 15 min and stored at 30°C for 90 days. Water content in all samples was maintained well during the storage. The samples either dipped in 1% sodium bisulfite solution or packaged under nitrogen all could better keep the content of soluble and reducing sugar than control and inhibit the browning caused by Maillard reaction during the sterilization.
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Almeida, Eveline Lopes, André Luis Marangoni y Caroline Joy Steel. "Starches from non - conventional sources to improve the technological characteristics of pound cake". Ciência Rural 43, n.º 11 (noviembre de 2013): 2101–8. http://dx.doi.org/10.1590/s0103-84782013001100028.

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This study evaluated and compared the effect of the utilization of five different non-conventional starches (chickpea, common bean, Peruvian carrot, sweet potato and white bean) and four different commercial starches (cassava, corn, potato and rice) in pound cake. Common bean starch, followed by Peruvian carrot starch were the non-conventional starch sources that showed tendency to improve the technological quality of pound cake, mainly in relation to corn starch, the most common commercial source. With these sources, the batters presented lower specific gravity and the cakes presented higher specific volume, lighter color, lower crumb moisture reduction during the storage period, and better texture attributes during all the cake shelf-life. Moreover, common bean starch provided higher scores in the cake sensory evaluation; especially for grain and texture attributes (moisture, tenderness and softness). Chickpea and white bean starches were more similar to corn starch in pound cake application.
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Sulista, Debby Yolanda, Anne Nuraini y Muhamad Kadapi. "Identifikasi Mutu Fisik Dan Fisiologis 16 Genotip Benih Calon Tetua Jagung Manis Hibrida Unpad setelah 2 dan 4 Bulan Penyimpanan". Paspalum: Jurnal Ilmiah Pertanian 6, n.º 1 (1 de abril de 2018): 53. http://dx.doi.org/10.35138/paspalum.v6i1.77.

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Hybrid seed is not always have good longetivity. Therefore, breeder should select longetivity character from parental lines to get hybrid with longetivity characeter. Longetivity character can be revealed by physical and physiological identification of seed. The aim of this research was to identify physical and physiological of 16 parental lines genotypes of sweetcorn after storage. The experimental design in this research used Randomized Complete Design. The treatment in this reserach used 16 Unpad sweet corn parental lines with two replications. The data were analyzed using the F test, Scott Knott 5%, and Duncan 5%. The results showed that there were significant differences in seed electrical conductivity, germination capacity, vigor index, normal seedling dry weight and 100 seeds weight , and seed growth simultaneously at 2 month storage, and normal seedling dry weight and 100 seeds weight at 4 month storage. The best genotypes after storage was 578 which was from P parent, according to the delta value of seed quality changed.
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Saleh, Ali, A. A. Mohamed, M. S. Alamri, S. Hussain, A. A. Qasem, M. A. Ibraheem y Syed Ali Shahzad. "Nonfat Set Yogurt: Effect of Okra Gum and Various Starches on the Rheological, Sensory, and Storage Qualities and Wheying-Off". Journal of Chemistry 2020 (11 de junio de 2020): 1–11. http://dx.doi.org/10.1155/2020/5091970.

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This work was intended to determine the effect of okra gum in combination with various starches on the flow and sensory properties of nonfat set yogurt. The selected starches include potato (PS), sweet potato (SPS), corn (CO), chickpea (CP), and Turkish beans (TB). The control is the yogurt prepared with okra gum only. Samples were analyzed under optimum conditions for their shear viscosity, viscoelasticity, texture, wheying-off, and sensory evaluation. Tests were performed at the beginning of the cold storage and after 7 or 15 days. By adding 1.0% starch, significant (p<0.05) reduction in wheying-off and firmer yogurt was obtained. Variations in the properties of yogurt were obvious and can be attributed to starch origin and amylose content. Therefore, the qualities of yogurts with tuber starches (PS and SPS) were different compared to corn or legume starches (CP and TB). The effect of the starches on yogurt properties changed over storage time, where some starches performed better only at the beginning of the storage period, and steady pH was maintained throughout the storage time. Wheying-off was significantly reduced irrespective of the origin of the starch. Sensory evaluation showed preference for yogurts prepared with starch compared to the control, regardless of starch type. Nonetheless, CP was preferred over other starches with respect to wheying-off, power law parameters, and overall acceptability.
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Rodov, Victor, Azica Copel, Nehemia Aharoni, Yair Aharoni, Aharon Wiseblum, Batia Horev y Yacov Vinokur. "Nested modified-atmosphere packages maintain quality of trimmed sweet corn during cold storage and the shelf life period". Postharvest Biology and Technology 18, n.º 3 (abril de 2000): 259–66. http://dx.doi.org/10.1016/s0925-5214(99)00079-4.

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Srianta, Ignatius, Indah Kuswardani, Agustinus Elbert Tanur, Fitri Anita y Veronica Lini. "Development of low aflatoxin soycorn milk: optimisation of soybean and sweet corn ratio and its stability during storage". International Journal of Food, Nutrition and Public Health 3, n.º 2 (13 de enero de 2010): 161–70. http://dx.doi.org/10.47556/j.ijfnph.3.2.2010.5.

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MIYANISHI, Toshiaki, Shinji TUTIMOTO, Motoko OGURA y Tetuomi IIO. "Studies on Taste and Flavor of Sweet Corn Part 2. Changes in Main Component Contents of Sweet Corn Kernels cvs 'Mellogold' and 'Jubilee' during Maturation and Flavor Precursor Contents of Kernels during Storage." NIPPON SHOKUHIN KOGYO GAKKAISHI 38, n.º 9 (1991): 831–34. http://dx.doi.org/10.3136/nskkk1962.38.831.

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RODRIGUEZ-SAONA, L. E., D. M. BARRETT y D. P. SELIVONCHICK. "Peroxidase and Lipoxygenase Influence on Stability of Polyunsaturated Fatty Acids in Sweet Corn (Zea mays L.) during Frozen Storage". Journal of Food Science 60, n.º 5 (septiembre de 1995): 1041–44. http://dx.doi.org/10.1111/j.1365-2621.1995.tb06288.x.

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Athmanathan, Arun, Isaac R. Emery, Thomas Kuczek y Nathan S. Mosier. "Impact of Temperature, Moisture, and Storage Duration on the Chemical Composition of Switchgrass, Corn Stover, and Sweet Sorghum Bagasse". BioEnergy Research 8, n.º 2 (5 de diciembre de 2014): 843–56. http://dx.doi.org/10.1007/s12155-014-9563-0.

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35

Poore, Matthew H. "Use of Byproduct Feeds in Southeastern Beef Production Systems". Journal of Animal Science 99, Supplement_2 (1 de mayo de 2021): 18. http://dx.doi.org/10.1093/jas/skab096.030.

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Abstract Byproducts are an important component of many beef production systems in the southeast. A variety of byproducts are used as supplemental nutrition for pastured cattle, and a byproduct-based total mixed ration is commonly used in backgrounding enterprises. Byproducts of corn (wet and dry milling), soybean, cotton, peanuts, rice, citrus, brewing and vegetable processing are widely available. Regional availability will determine what optimal byproducts will be for a given area. The value of an alternative feed for beef cattle is commonly determined based on the TDN and CP levels relative to corn and soybean meal (the Peterson Method). This simple approach allows the user to calculate a $ per ton value at a given corn and soybean meal price, but may result in misleading information. Research comparing alternative feeds to the standard often find that a “realized value” is different than the calculated value. Intake may be stimulated or depressed by a given ingredient. Hidden costs including handling and shrinkage are often a problem for wet materials. Sometimes dramatic side effects occur despite a high calculated value for the feed. For example, fermented sweet potato cannery waste has a very high nutritive value that is realized when fed at low levels in a total mixed ration. However, when fed free-choice, it may cause severe dental erosion resulting in reduced gains in yearlings and early tooth loss in cows. Culled cured sweet potatoes coming from cold storage have a high calculated value yet can cause death in cows because of a lung toxin. There is actually a limited amount of research published with byproducts in southern beef production systems. Due to diversity of forage-base and wide variety of ingredients with potential associative effects, more research is needed to fully understand how byproducts are best utilized.
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36

Sousa, S. C. C., W. R. Silva, C. C. R. Melo, J. C. C. Galvão, P. A. S. Ramos, A. Miqueloto y F. L. Finger. "INFLUENCE OF HYDRO-COOLING, STORAGE TEMPERATURE AND PVC FILM ON THE MAINTENANCE OF POSTHARVEST QUALITY OF FRESH COBS OF SUPER SWEET CORN". Acta Horticulturae, n.º 1071 (febrero de 2015): 609–12. http://dx.doi.org/10.17660/actahortic.2015.1071.79.

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Calvo-Brenes, Paula y Tim O´Hare. "Effect of freezing and cool storage on carotenoid content and quality of zeaxanthin-biofortified and standard yellow sweet-corn (Zea mays L.)". Journal of Food Composition and Analysis 86 (marzo de 2020): 103353. http://dx.doi.org/10.1016/j.jfca.2019.103353.

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38

Bafdal, Nurpilihan y Sophia Dwiratna. "Management of Runoff Harvesting as a Source of Irrigation Water in Dry Land Agriculture on Steep Land Slope". KnE Life Sciences 2, n.º 6 (26 de noviembre de 2017): 185. http://dx.doi.org/10.18502/kls.v2i6.1039.

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In tropical country such as Indonesia, the production for crops in dry land always depend on climatic condition especially rainfall for crop growth. Since the availability of the water is limited, therefore cultivation of crops is investigated. Indonesia has two seasons which are dry season and wet season. During dry season crops in dry land is of limited water supply, therefore crops meet its water requirement from soil water only. Heavy rainfall in the wet season, indicates water cannot fully conserved in the soil and some surface water lost as a runoff. This research was conducted with descriptive analysis method for analyzing the potential rainfall on the research center, and field observation method for calculating the potential of runoff water. Results showed that runoff on the area planted with single seasonal crop is greater than that planted with mixed seasonal crop. Also note that about 60 cubic meter of runoff that is stored in the storage pond can be used to irrigate of 70 square meters the area planted with sweet corn + sweet potato for two planting seasons. The harvesting runoff on dry land can increase cropping intensity from one to three times of planting per year. It can be said that the runoff harvesting is able to improve dry land farmers welfare. Keywords: Runoff harvesting, multiple cropping, irrigation
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39

Khursheed, Ifrah, Julie Dogra Bandral, Monika Sood y Naseer Ahmed. "Influence of knolkhol on quality characteristics of chicken meat balls". Journal of Applied and Natural Science 9, n.º 4 (1 de diciembre de 2017): 2221–27. http://dx.doi.org/10.31018/jans.v9i4.1515.

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Poultry meat is a major source of high biological value protein. The incorporation of fiber in meat helps to enhance its nutritive value with added health benefits that demonstrates a relationship between a diet containing an excess of energy- dense food rich in fats and sugar and the emergence of a range of chronic disease and several others. While studying the effect of fiber incorporation on the functional parameters it was observed that cooking yield (%) and emulsion stability (%) significantly decreased and the values were 91.94 % and 91.13 % in control and 87.28 % and 87.01 % in case of T7 (18% KnolKhol powder). The physico chemical analysis revealed that with addition of Knolkhol powder (3%) level, the pH decreased from 6.31 to 6.26, TBARS from 0.39 to 0.33 (mg malonaldehyde /Kg), ash content from 2.60 to 2.52 % crude protein 17.15 to 17.10 %, whereas moisture increased from 66.06 to 67.11 %, crude fiber from 0.58 to 0.65 %. Coliform were not evident in the stored samples up to 30 days of storage, however psychrophyll count was found after 30 days of storage. The total psychrophillic count in control samples was 0.36 (log cfu/g) which increased to 0.81 (log cfu/g) with addition of 25% Sweet Corn paste.
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Rustiningsih, Rustiningsih, Nafi Ananda Utama y Innaka Ageng Rineksane. "Pengaruh Berbagai Macam Pendinginan dan Pengemasan Terhadap Umur Simpan Jagung Manis (Zea mays saccharata)". PLANTA TROPIKA: Jurnal Agrosains (Journal of Agro Science) 1, n.º 2 (9 de abril de 2021): 55–60. http://dx.doi.org/10.18196/pt.v1i2.3118.

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This research was aimed to study the influence of kinds of cooling and packing on the storage life of sweetcorn in order to obtain the simple postharvest technology and easy to practice. The research was done during the February - March of 2005 in the Research Laboratory of Agriculture Faculty, Muhammadiyah University of Yogyakarta. The reducing sugar analysis was done in the Agriculture Technology Faculty of Gadjah Mada University. The laboratory experiment was arranged ini 2 x 3 factorial completely randomized design with three replications. The cooling first factor was refrigerated in refrigerator to be compared to the hydro-cooling. Meanwhile, the polypropilene and polyethylene packaging were tested and compared to the unpackaged one. The flavor; reducing sugar, water content, percentage of nonconsumable part of sweetcorn, fresh weight of ears, and organoleptic properties were observed. The result showed that there was no significantly interaction between cooling and packaging on the storage life and quality of sweet corn. The cooling treatment was significantly influenced the starch and reducing sugar level as well as the packaging treatment. Refrigeration storage could significantly keep the level of reducing sugar to remain higher than the hydro-cooling, this treatment was also decreased the starch content, decreased the proportion of unconsumable part, and maintained the flavor. The polyethylene packaging significantly keep the level of reducing sugar to remain higher and relatively maintained the flavor than the polypropilene packaging or unpackaged, but decreased the portion of unconsumable part.
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41

Sebők, A. y Cs Baár. "Influence of the preparation, storage temperature, modified atmosphere and vacuum packaging on shelf-life of sliced, chilled yellow pepper and pre-cooked sweet corn". Acta Alimentaria 38, n.º 2 (junio de 2009): 161–78. http://dx.doi.org/10.1556/aalim.38.2009.2.4.

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Osuji, Godson O. y Raul G. Cuero. "Regulation of ammonium ion salvage and enhancement of the storage protein contents of corn, sweet potato, and yam tuber by N-(carboxymethyl)chitosan application". Journal of Agricultural and Food Chemistry 40, n.º 5 (mayo de 1992): 724–34. http://dx.doi.org/10.1021/jf00017a004.

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43

Ahmad, Norazlina, Rajnesh Sant, Milovan Bokan, Kathryn J. Steadman y Ian D. Godwin. "Expression Pattern of the Alpha-Kafirin Promoter Coupled with a Signal Peptide fromSorghum bicolorL. Moench". Journal of Biomedicine and Biotechnology 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/752391.

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Regulatory sequences with endosperm specificity are essential for foreign gene expression in the desired tissue for both grain quality improvement and molecular pharming. In this study, promoters of seed storage α-kafirin genes coupled with signal sequence (ss) were isolated fromSorghum bicolorL. Moench genomic DNA by PCR. The α-kafirin promoter (α-kaf) contains endosperm specificity-determining motifs, prolamin-box, the O2-box 1, CATC, and TATA boxes required for α-kafirin gene expression in sorghum seeds. The constructs pMB-Ubi-gfpand pMB-kaf-gfpwere microprojectile bombarded into various sorghum and sweet corn explants. GFP expression was detected on all explants using the Ubi promoter but only in seeds for the α-kaf promoter. This shows that the α-kaf promoter isolated was functional and demonstrated seed-specific GFP expression. The constructs pMB-Ubi-ss-gfpand pMB-kaf-ss-gfpwere also bombarded into the same explants. Detection of GFP expression showed that the signal peptide (SP)::GFP fusion can assemble and fold properly, preserving the fluorescent properties of GFP.
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44

Jolli, R. B., V. H. Nayak, M. B. Boranayaka y H. C. Latha. "Effect of Polymer Coat, Seed Treatment Chemicals and Containers on Seed Germination, Vigour Index, Infestation and Other Quality Traits in Sweet Corn during Seed Storage". International Journal of Current Microbiology and Applied Sciences 9, n.º 6 (10 de junio de 2020): 3090–105. http://dx.doi.org/10.20546/ijcmas.2020.906.370.

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45

Zainol, M. K., L. N. Cheang, N. Zuraidah, F. Yahya y Z. M. Zin. "Storage stability of sweet corn (Zea mays var saccharata Bailey) jam: effect of sugar to inulin ratios on physicochemical, ascorbic acid, β-carotene and sensory characteristics". IOP Conference Series: Earth and Environmental Science 756, n.º 1 (1 de mayo de 2021): 012074. http://dx.doi.org/10.1088/1755-1315/756/1/012074.

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46

Pangaribuan, Darwin H., Yohannes Cahya Ginting, Lucky Purwa Saputra y Hairani Fitri. "Aplikasi Pupuk Organik Cair dan Pupuk Anorganik terhadap Pertumbuhan, Produksi, dan Kualitas Pascapanen Jagung Manis (Zea mays var. saccharata Sturt.)". Jurnal Hortikultura Indonesia 8, n.º 1 (17 de abril de 2017): 59. http://dx.doi.org/10.29244/jhi.8.1.59-67.

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<p>ABSTRACT<br />The aim of experiment is to determine the effect of application of organic-liquid fertilizer and inorganic fertilizer recommendation (Urea, SP-36 and KCl) on growth, yield, and post-harvest quality of sweet corn (Zea mays var. saccharata Sturt.) Talenta variety. The experiment was conducted in Kota Sepang Jaya, Bandar Lampung, Lampung Province in December 2015 to March 2016. The experiment used Randomized Block Design (RBD) with six level of treatments and three replications. Treatments were (L1) control/without fertilizer; (L2) inorganic fertilizer 100% recommendation; (L3) organic-liquid fertilizer; (L4) organic- liquid fertilizer + inorganic fertilizer 100% recommendation; (L5) organic-liquid fertilizer + inorganic fertilizer 60% recommendation; and (L6) organic-liquid fertilizer + inorganic fertilizer 20% recommendation. The use of organicliquid fertilizer, inorganic fertilizer recommendation, or both combinations on sweet corn Talenta variety showed higher growth, yield, and postharvest quality than without fertilizer treatment. The combination of organic-liquid fertilizer and inorganic fertilizer (Urea, SP-36 and KCl) 20% recommendation can be an alternative package economical for producing sweetcorn. This treatment also showed the lowest storage loss when compared to other treatments.<br />Keywords: biofertilizer, urea, SP-36, KCl, Talenta</p><p>ABSTRAK<br />Percobaan ini bertujuan untuk mengetahui pengaruh aplikasi pupuk organik cair dan rekomendasi pemupukan anorganik (Urea, SP-36 dan KCl) terhadap pertumbuhan, produksi, dan kualitas pasca panen jagung manis (Zea mays var. saccharata Sturt.) varietas Talenta. Penelitian dilakukan di Kota Sepang Jaya, Labuhan Ratu, Bandar Lampung, Provinsi Lampung pada bulan Desember 2015 sampai Maret 2016. Percobaan menggunakan Rancangan Acak Kelompok (RAK) 1 faktor dengan 6 taraf perlakuan dan tiga ulangan. Susunan perlakuan adalah (L1) kontrol (tanpa pupuk); (L2) pupuk anorganik 100% rekomendasi; (L3) pupuk organik cair; (L4) pupuk organik cair + pupuk anorganik 100% rekomendasi; (L5) pupuk organik cair + pupuk anorganik 60% rekomendasi; dan (L6) pupuk organik cair + pupuk anorganik 20% rekomendasi. Penggunaan pupuk organik cair, rekomendasi pemupukan anorganik, atau kombinasi keduanya menghasilkan pertumbuhan yang lebih tinggi, hasil, dan kualitas pascapanen yang lebih baik daripada perlakuan tanpa pupuk. Kombinasi pupuk organik cair dan pupuk anorganik (Urea, SP-36 dan KCl) 20% rekomendasi dapat menjadi pupuk ekonomis alternatif untuk menghasilkan jagung manis yang optimum dan juga perlakuan tersebut menunjukkan penyusutan bobot tongkol yang terendah jika dibandingkan dengan perlakuan lain.<br />Kata kunci: pupuk hayati, urea, SP-36, KCl, Talenta</p>
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47

Khan, Anwar A. "339 ACC-DERIVED ETHYLENE PRODUCTION, A RAPID TEST FOR SEED VIGOR". HortScience 29, n.º 5 (mayo de 1994): 479b—479. http://dx.doi.org/10.21273/hortsci.29.5.479b.

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1-aminocyclopropane-1-carboxylic acid (ACC) was used to measure seed vigor of lettuce, cabbage, tomato, snap bean and sweet corn seeds. Accelerated aging at 40C and 93% RH over saturated solution of KH2PO4 and natural aging under ambient storage conditions (5-7C, 28 to 60% RH) were used to obtain seeds of differing vigor levels. Depending on the type of seeds, the amount of ACC needed for maximal ethylene production (saturating dose) ranged from 0.25 to 2mM. Seeds produced much larger amounts of ethylene in the presence than in absence of ACC, the ACC-derived ethylene was detected prior to germination, and ACC had no adverse effect on germination. ACC-derived ethylene production paralleled vigor loss as determined by percentage germination, mean germination time (for lettuce only) and seedling growth (for snap bean only). Second degree polynomial and logarithmic equations generated for the relationship of ACC-derived ethylene production to germination or growth parameters following seed aging, provided good to excellent fit. As a vigor test, the ACC-ethylene procedure has several advantages over the non-ACC ethylene procedure: it greatly improves the sensitivity of the test by enhancing ethylene production, it permits detection of small differences in vigor levels and it allows detection of ethylene prior to germination within a few hours of soaking.
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48

Toivonen, Peter M. A. "Relationship of Typical Core Temperatures After Hydrocooling on Retention of Different Quality Components in Sweet Cherry". HortTechnology 24, n.º 4 (agosto de 2014): 457–62. http://dx.doi.org/10.21273/horttech.24.4.457.

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The research was conducted to first determine the commercial reality in regards to effectiveness of hydrocooling of sweet cherries (Prunus avium) at commercial packing houses. Temperature data obtained from the commercial studies were then used as a guide to evaluate the effect of small differences (0.5, 3, and 5 °C) in sweet cherry core temperature on the quality retention of ‘Sweetheart’ sweet cherries over 6 weeks of storage to simulate container shipment. Sweet cherry core temperatures after in-line hydrocooling and at the time of packing were generally around 3 or 5 °C. Once palletized and placed in commercial cold rooms, the internal boxes of a pallet did not cool any further. Only when a pallet was exposed to direct airflow from cooling coils did the exterior boxes in an assembled pallet show any further reduction in core temperature of packed sweet cherries. Experiments to evaluate the differences in quality retention at close to ideal core temperature (0.5 °C) vs. at more typical 3 or 5 °C core temperatures demonstrated significant decline when the two higher temperatures were maintained over 6 weeks of storage. Sweet cherry firmness, titratable acidity, and stem removal force value declines in storage were significantly affected by these small differences in core temperature, showing the best retention at 0.5 °C. Stem browning increased significantly with 3 or 5 °C storage by 6 weeks of storage. Decay was also significantly increased with warmer temperatures, but the results were variable likely due to differences in fruit infection at the time of harvest. Soluble solids were unaffected by storage temperature, and weight loss and pitting severity were somewhat affected. These results support the need for post packing cooling of sweet cherries as the core temperatures achieved by in-line hydrocoolers during packing do not reduce temperatures sufficiently to ensure good quality retention over longer periods of time that are required for container shipping to export markets. Therefore, forced-air cooling is recommended to further reduce sweet cherry temperatures in the box, before shipping.
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Arrahman, Ayyub y Muhammad Sudjak Saenong. "SPICES PLANT AS BIOINSECTICIDES FOR CONTROLLING MAIZE WEEVIL SITOPHILUS ZEAMAIS (MOSTCH) Pemanfaatan Tanaman Rempah sebagai Pestisida Nabati untuk Penanggulangan Hama Kumbang Bubuk Jagung Sitophilus zeamais (Mostch)". Jurnal Penelitian dan Pengembangan Pertanian 39, n.º 1 (23 de junio de 2020): 1. http://dx.doi.org/10.21082/jp3.v39n1.2020.p1-10.

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<p>Indonesia has numerous and varied natural resources of spices plant which grow at almost all theregions. These plants can grow and adapt to the slightly diverse agroecological conditions and agroecosystems, from dry to wet. In general, the utilization of these plants by the community is still limited as ingredients and spices for culinary and flavoring instead of the potential of bioactive compounds contained therein. These resourcesare very useful and effective utilized asbioinsecticides to eradicate plant pests and diseases, as well as medicine for human. This paper discussed the benefits and efficacy of several spiceplants, namely lemongrass, shallots, garlic, sweet and chili peppers, clove, sand ginger (kencur), and pepper as herbicides at various levels of dosage and treatments. This manuscript also discussed the constraints and development strategies, and aimed to provide information on the science and technology in controlling the Sitophilus zeamais (Motsch) pests in corn kernels during the storage period. It is expected that this paper would be useful for the policy makers, academicians, researchers and practitioners who have the competence to deal with beetle pest problems.</p><p>Keywords: Spices, bioinsecticides, Sitophilus zeamais (Motsch), controlling</p><p> </p><p><strong>Abstrak</strong></p><p>Tanaman rempah yang tumbuh di hampir seluruh wilayah Indonesia sangat beragam. Tanaman ini beradaptasi pada berbagai agroekologi dan agroekosistem, mulai dari wilayah beriklim kering sampai beriklim basah. Pemanfaatan tanaman ini oleh masyarakat umumnya masih terbatas sebagai bahan rempah dan bumbu kuliner, penyedap masakan dan cita rasa, padahal senyawa bioaktif yang terkandung di dalamnya potensial sebagai pestisida nabati untuk membasmi hama penyakit tanaman dan bahan obat kesehatan manusia. Tulisan ini membahas manfaat dan kemanjuran dari beberapa tanaman rempah, yakni tanaman sereh, bawang merah, bawang putih, lombok merah, cengkeh, kencur, dan lada sebagai pestsisida nabati dalam berbagai dosis dan ragam perlakuan. Kendala dan strategi pengembangan pestisida nabati bagi penggulangan hama kumbang bubuk perlu mendapat perhatian yang tidak saja untuk kepentingan masyarakat luas, namun diperlukan sebagai informasi ilmu dan teknologi penanganan hama secara terpadu.</p><p>Kata kunci: tanaman rempah, bioinsektisida, hama kumbang bubuk, pengendalian</p>
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Kowalenko, C. G. "Nitrogen pools and processes in agricultural systems of Coastal British Columbia — A review of published research". Canadian Journal of Plant Science 80, n.º 1 (1 de enero de 2000): 1–10. http://dx.doi.org/10.4141/p99-044.

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A significant amount of research on nitrogen (N) dynamics has been conducted within the past 20 yr in south coastal British Columbia. This succinct set of data has practical and environmental information on N cycling particularly focusing on gains to and losses from agricultural fields, and transformations of soil N pools. Coastal British Columbia fields have received large annual additions by application of fertilizer and manure. Some of the manure N from animals using locally grown forages is recycled within the farm operation, but a large amount of N is imported as feed especially for intensive animal production. Budget calculations estimated that there may be substantial losses of N through volatilization from manure, particularly from housing and storage areas, and during application to fields. Some of the volatilized ammonia in holding areas may be recycled to fields via precipitation. Direct measurements of these losses and returns of N have not been made. Studies have shown that there is limited risk of leaching of nitrate beyond the root zone during the growing season because most of the annual rainfall occurs over the winter and because nitrate can be adsorbed to soil particles. However, any extractable inorganic N (nitrate directly and ammonium after nitrification) in the profile at the end of the growing season will be lost over the winter. Most of that loss is due to nitrate leaching, but conditions are also favorable for denitrification. There is considerable (> 200 mg N k−1 in some soils) ammonium-N fixed in Fraser Valley soils, but the impact of this phenomenon to crop growth is still poorly understood. Wetting and drying cycles have a great influence on the dynamics of this pool of soil N. The response of spring growth of grass to the time of N application was influenced by the relative competitiveness of microorganisms and plants for available soil N. A study comparing short-season (broccoli) and long-season (sweet corn) crop responses to N applications showed that the rate at which the plants require N influences their response to N amendments. Raspberries were found to require relatively small quantities of N on a land area basis because of the wide inter-row distances. An autumn soil nitrate test has been proposed for making fertilizer N recommendations for raspberries. Although knowledge gained from this research has provided a basis for interpreting studies for the development of N management practices and for making interim recommendations, a method to predict the amount of N mineralized from soil organic matter is key to the development of soil-analysis-based N rate recommendations. Key words: N cycling, nitrate, ammonium, fixed ammonium, soil organic N, mineralization
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