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Journal articles on the topic 'Diastase'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Ichsan, Dewi Susetiyany, Talitha Syifa Hafidzah, Septihany Berliana Putri, Shizen Valere Aurene, and Isnawati Nurdin. "Deteksi Madu Palsu Dan Kualitas Madu Dengan Enzim Diastase." Poltekita : Jurnal Ilmu Kesehatan 16, no. 3 (2022): 278–83. http://dx.doi.org/10.33860/jik.v16i3.1685.

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Permintaan madu yang meningkat yang tidak diimbangi dengan produksi madu yang memadai, meningkatkan risiko pemalsuan madu. Keaslian dan kualitas madu dapat ditentukan menggunakan metode konvensional (uji larut, uji keruh, uji buih, uji pemanasan) dan kimia. Uji kimia enzim diastase dapat digunakan sebagai indikator dalam penilaian kemurnian dan kualitas madu karena enzim tersebut diproduksi langsung oleh lebah. Penelitian ini bertujuan untuk menganalisis pemanfaatan uji enzim diastase dalam mendeteksi madu palsu dan kualitas madu di Kota Palu. Metode yang digunakan adalah uji enzim diastase se

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2

AOYAMA, TOSHINOBU, YASUSHI NAKAO, MASAYOSHI HORIOKA, TAKESHI YAMAGUCHI, and KIYOSHI MIZUTANI. "Dust of diastase preparations." Japanese Journal of Hospital Pharmacy 12, no. 5 (1986): 350–55. http://dx.doi.org/10.5649/jjphcs1975.12.350.

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3

Deressa Kebebe, Meskele, Damto Teferi, Gemeda Meseret, and Laggase Gemechis. "Assessment of diastase levels in different floral honey from Oromia region, Ethiopia." Open Journal of Analytical and Bioanalytical Chemistry 6, no. 1 (2022): 024–29. http://dx.doi.org/10.17352/ojabc.000027.

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Diastase is an enzyme that is found naturally in honey and degrades over time, especially when exposed to heat. Diastase can be used to indicate the age and exposure of honey to heat. However, they play a very significant role in honey quality. This study aimed to assess the diastase levels of different floral honey in potential areas of the Oromia region. In this study diastase activity, free acidity, and pH contents of different floral kinds of honey of potential areas in the Oromia region of Ethiopia were investigated based on the IHC- 2009- method. The honey pollen spectra were also charac

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4

Huang, Zhenxiong, Lang Liu, Guojian Li, Hong Li, Dapeng Ye, and Xiaoli Li. "Nondestructive Determination of Diastase Activity of Honey Based on Visible and Near-Infrared Spectroscopy." Molecules 24, no. 7 (2019): 1244. http://dx.doi.org/10.3390/molecules24071244.

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The activities of enzymes are the basis of evaluating the quality of honey. Beekeepers usually use concentrators to process natural honey into concentrated honey by concentrating it under high temperatures. Active enzymes are very sensitive to high temperatures and will lose their activity when they exceed a certain temperature. The objective of this work is to study the kinetic mechanism of the temperature effect on diastase activity and to develop a nondestructive approach for quick determination of the diastase activity of honey through a heating process based on visible and near-infrared (

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5

Voldřich, M., A. Rajchl, H. Čížková, and P. Cuhra. "Detection of Foreign Enzyme Addition into the Adulterated Honey." Czech Journal of Food Sciences 27, Special Issue 1 (2009): S280—S282. http://dx.doi.org/10.17221/1066-cjfs.

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Natural honey contains several enzymes, which are produced by bees (salivary secretion) and some are found in the nectar or pollen. The most important enzymes are amylases, invertases, glusidases, catalases, fosfatases and other. The activity of diastase (&alpha;-, &beta;-, &gamma;-amylase) is the important quality parameter of honey, according to the Directive 2001/110/CE the diastase activity (diastase number) must not be less than or equal to 8, for some kinds of honey also higher or equal to 3 (in these cases the HMF must not be higher than 15 mg/kg). Diastase is used as a mark

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6

Pashayan, Susanna A., Claudia A. Sidorova, and Marina V. Kalashnikova. "QUALITATIVE ASSESSMENT OF HONEY FROM THE APIARY OF THE TYUMEN REGION." VESTNIK OF THE BASHKIR STATE AGRARIAN UNIVERSITY 68, no. 4 (2023): 150–54. http://dx.doi.org/10.31563/1684-7628-2023-68-4-150-154.

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The article presents data on diastase activity and pollen analysis of honey from apiaries in the south of the Tyumen region. The research was conducted in the period 2017–2022. Honey maturation is a complex biochemical process in which biologically active substances, which include lysozyme and amylase, formed in the digestive glands of worker bees, play a significant role. Lysozyme provides bactericidal properties of honey, amylase – breaks down complex carbohydrates to their monomers. When conducting a pollen analysis of honey, it was revealed that the honey of apiaries in the south of the Ty

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7

Sawarkar, Arun Baburao. "Effect of Different Storage Conditions on HMF, Diastase and Invertase Activity in A. florea Honey from Jalgaon District, North Maharashtra, India." UTTAR PRADESH JOURNAL OF ZOOLOGY 45, no. 21 (2024): 273–82. http://dx.doi.org/10.56557/upjoz/2024/v45i214636.

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The present study aimed to reveal the effect of different temperatures and storage duration on the Hydroxymethylfurfural (HMF) concentration, diastase, and invertase activity of Apis florea honey produced from Jalgaon district, North Maharashtra, India. For the assessment of HMF, diastase and invertase activity, samples were stored at 250C, 350C, 450C, 550C and 650C for the duration of 1, 3 and 5 h, and the variation in these contents were determined quantitatively. According to the results, heating temperatures of 550C and 650C had adverse effects on the concentration of HMF, diastase, and in

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8

Tulandi, Silvester Maximus. "The Effect Of Storage Temperature On The Quality Of Honey." SANITAS : Jurnal Teknologi dan Seni Kesehatan 10, no. 1 (2019): 59–71. http://dx.doi.org/10.36525/sanitas.2019.6.

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Honey is natural liquid produced by honey bees. In reality, the quality can be reduced if the storage is not done properly. Diastase enzyme activity is one of the important honey quality parameters. The purpose of this research was to determine the quality of honey that was influenced by storage temperature on the activity of the diastase enzyme using Spectrophotometry method. Samples were obtained from the beekeeping area of East Jakarta. The results showed that, storage temperature greatly affects the quality of honey. Diastase enzyme activity was significantly different in each treatment at

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9

Persson, W. M. "Microdose effects of drugs and chemicals on the enzymes urease, diastase and trypsin." British Homeopathic Journal 76, no. 03 (1987): 150–57. http://dx.doi.org/10.1016/s0007-0785(87)80065-0.

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AbstractTwelve medicinal agents and chemicals were assessed for microdose effects on the enzymes urease, diastase and trypsin. Silver nitrate and mercuric chloride had a slight effect on urease; mercuric chloride, sulphur and after them calcium chloride had marked effect on diastase, microdoses of Iris, phosphoric acid and arsenic on trypsin. Gold chloride had only a slight effect on diastase. The remaining preparations—benzoic acid, platinum chloride and insulin—had no effect.An investigation was made to determine the effect of dynamized dilutions of iodine on starch, and the pH of phosphoric

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10

Syamsu, Desmita Adriani, Ratnawita, Ayu Pratiwi Ayu, and Agung Darmawati. "Profil Aktivitas Enzim Diastase pada Madu Produksi UMKM Lokal Berdasarkan Hasil Uji BPOM di Jambi." Eruditio : Indonesia Journal of Food and Drug Safety 3, no. 1 (2023): 1–8. http://dx.doi.org/10.54384/eruditio.v3i1.108.

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Madu merupakan produk kesehatan yang banyak dicari pada masa pandemi Covid-19. Hal ini menjadi salah satu faktor semakin banyak madu yang diproduksi oleh Usaha Mikro, Kecil, dan Menengah (UMKM). Selama tahun 2019-2021 terjadi kenaikan jumlah permintaan pengujian contoh madu oleh pelaku usaha di laboratorium pengujian kimia pangan di Balai POM Jambi. Penelitian ini bertujuan untuk mengetahui profil kualitas madu melalui pengujian aktivitas enzim diastase menggunakan alat Spektrofotometer UV-Vis. Penelitian ini merupakan analisis eksperimental retrospektif untuk memberikan gambaran hasil uji ter

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11

Pashayan, Susanna A. "Functional value of biologically active honey components." BIO Web of Conferences 108 (2024): 25003. http://dx.doi.org/10.1051/bioconf/202410825003.

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The article shows data on diastase activity and pollen analysis of honey from apiaries in the south of the Tyumen region. The research was conducted in the period 2017-2022. Honey maturation is a complex biochemical process in which biologically active substances, which include lysozyme and amylase, formed in the digestive glands of worker bees, play a significant role. They provide honey with high biological properties. Lysozyme is an antibacterial enzyme produced in the body of animals that prevents the penetration of microbes, viruses and fungi into honey. Amylase - breaks down the complex

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12

Kowalski, S., M. Lukasiewicz, S. Bednarz, and M. Panuś. "Diastase number changes during thermaland microwave processing of honey." Czech Journal of Food Sciences 30, No. 1 (2012): 21–26. http://dx.doi.org/10.17221/123/2010-cjfs.

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The presented paper covers the preliminary studies on microwave inactivation of honey enzymes described as diastase number (DN). All the investigations were done on commercially available honey from Polish local market. Microwave processes were compared to the conventional ones. In the case of conventional conditions, the constant rate of diastase enzyme inactivation was estimated using the first order kinetics. In the case of microwave heated samples, it was impossible to establish the rate constant; however, the investigation proved the suitability of such kind of processing for short-term t

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13

Richter, Cornelia. "Bibelhermeneutik – Von der Diastase zum Diskurs." Praktische Theologie 49, no. 3 (2014): 150–58. http://dx.doi.org/10.14315/prth-2014-0306.

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Zusammenfassung Der Beitrag benennt aus systematisch-theologischer Perspektive im Gespräch mit Jörg Lauster die Probleme, die sich vor dem Hintergrund der historischen Kritik für das protestantische Schriftprinzip ergeben, führt am Beispiel der Entwürfe von Michael Wolter und Christian Danz zur Christologie vor, wie Exegese und Dogmatik in einen produktiven Diskurs treten können, und plädiert am Ende für eine stärkere Berücksichtigung des Performanzbegriffs bei der Erschließung des Spannungsfelds zwischen Bibel und Systematischer Theologie.

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14

Vyas, S. P., P. J. Gogoi, S. Pande, and V. K. Dixit. "Enteric spherules diastase in enzyme preparations." Journal of Microencapsulation 8, no. 4 (1991): 447–54. http://dx.doi.org/10.3109/02652049109021868.

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15

Tosi, E., R. Martinet, M. Ortega, H. Lucero, and E. Ré. "Honey diastase activity modified by heating." Food Chemistry 106, no. 3 (2008): 883–87. http://dx.doi.org/10.1016/j.foodchem.2007.04.025.

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16

Alves, Rogério Marcos de Oliveira, Jacqueline Lemos Viana, Henrique de Abreu Cerqueira Sousa, and Ana Maria Waldschmidt. "Physico-chemical Parameters of Honey From Melipona mondury Smith, 1863 (Hymenoptera: Apidae: Meliponini)." Journal of Agricultural Science 10, no. 7 (2018): 196. http://dx.doi.org/10.5539/jas.v10n7p196.

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The physico-chemical properties of honey produced by the stingless bee Melipona mondury from Atlantic Forest in the state of Bahia, northeastern Brazil were evaluated. The evaluated characteristics included: water content, electrical conductivity, pH, acidity, water activity, ashes, diastase, hydroxymethylfurfural (HMF), reducing sugars and saccharose values. The honey samples showed mean values of 29.18% for moisture; 391.5 μS for electrical conductivity; pH of 4.06; 34.3 meq kg-1 for acidity; 0.73 for water activity; 0.18% for ashes; 4.05 (Goethe unit) for diastase; 1.60% for HMF; 65.42% for

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17

Rosyidah, Rara Annisaur, Akhmad Endang Zainal Hasan, and Dimas Andrianto. "ANTIBACTERIAL AND DIASTASE ENZYME ACTIVITIES OF HONEY Apis mellifera FROM INDONESIA." BIOTROPIA 31, no. 1 (2024): 23–33. http://dx.doi.org/10.11598/btb.2024.31.1.2011.

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The quality of monofloral honey from Apis mellifera as an antibacterial can be influenced by the activity of the diastase enzyme and the secondary metabolites from the nectar source. Therefore, this study aimed to compare the activity of the diastase enzyme and the effectiveness of monofloral honey derived from Apis mellifera bees as a natural antibacterial agent against Staphylococcus aureus and Escherichia coli. Sampling for monofloral honey was carried out from nine different nectar sources, namely Acacia carpa, Calliandra calothyrsus, Nephelium lappaceum, Melaleuca laucadendron, Ceiba pent

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18

Salman, Mohammed A., Aum-El-Bashar H. AL-Mossawi, and Dhia F. Al-fekaiki. "Determination of quality compounds in Some of Iraqi honey types." Journal of Kerbala for Agricultural Sciences 6, no. 1 (2019): 49–55. http://dx.doi.org/10.59658/jkas.v6i1.618.

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This study was conducted on different types of honey brought Collected From Basrah, Maysan, Najaf, Karbala, Babylon, Wasit, Baghdad, Diyala, Kirkuk and Sulaymaniyah Included : The quality-related compounds of honeys samples were Determinate within the permissible limits Including consisit of proline, diastase, hydroxylmethyl furfural (HMF); and vitamin C. honey content of proline the highest value was 687.34 mg kg-1 in Karbala region and the lowest value in Najaf region 295.34 mg kg-1, And diastase number the highest was 14.36 unit In Basrah region and the lowest diastase number in Babylon reg

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19

Al-Rubaie, Wissam. "The influence of storage conditions and heating on diastase, invertase activity and hydroxymethylfurfural in Iraqi honey." Muthanna Journal for Agricultural Sciences 9, no. 2 (2022): 1–14. http://dx.doi.org/10.52113/mjas04/9.2/32.

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The purpose of this research was to evaluate the effect of heating treatments and storage on diastase number, invertase activity and hydroxymethylfurfural (HMF) in several types of Iraqi honey (represented in most of Iraq's governorates). Average values for the quality characteristics of fresh honey ranged between (8-21) units of diastase number, 107.5-284.3 U/kg invertase activity and 7.6-40.3 mg/kg HMF. The honey samples were subjected to heating at 50, 65, 75 Cº for 30 minutes. Then the honey samples were left at room temperature 25-30 °C and stored for 6 months for evaluation. Changes in d

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20

Rosyidah, Rara Annisaur, Akhmad Endang Zainal Hasan, and Dimas Andrianto. "Diastase Enzyme Activity and Antibacterial Effectiveness to Gastroenteretis by Apis mellifera Honey from Indonesia." JSMARTech 5, no. 1 (2024): 20–25. http://dx.doi.org/10.21776/ub.jsmartech.2024.005.01.20.

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The quality of monoflora honey (Apis mellifera) as an antibacterial can be influenced by the activity of the diastase enzyme and the secondary metabolites of the nectar source. This study aims to compare the activity of the diastase enzyme and the effectiveness of monoflora honey derived from Apis mellifera bees as a natural antibacterial agent against Salmonella typhi. The sampling method for monoflora honey from nine different nectar sources (acacia, calliandra, rambutan, eucalyptus, randu, mango, robusta coffee 1, robusta coffee 2, and rubber). The results showed that the highest diastase e

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Serrano, Salud, Roberto Espejo, Marta Villarejo, and Manuela Luisa Jodral. "Diastase and invertase activities in Andalusian honeys." International Journal of Food Science & Technology 42, no. 1 (2007): 76–79. http://dx.doi.org/10.1111/j.1365-2621.2006.01213.x.

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22

Lenk, K. "Quantitative Strength Determination of Amylase (Diastase) Preparations." Journal of the Society of Dyers and Colourists 58, no. 7 (2008): 138–41. http://dx.doi.org/10.1111/j.1478-4408.1942.tb02183.x.

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23

Sukmawati, Sukmawati, Alfian Noor, and Firdaus Firdaus. "Quality Analysis Of Honey Mallawa Parameters Based On Physical Chemistry." Indonesian Journal of Chemical Research 3, no. 1 (2015): 259–62. http://dx.doi.org/10.30598/ijcr.2015.3-suk.

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Analysis of chemical physics parameters on Mallawa honey has been done as density, viscosity, HMF, reducing sugars, sucrose and enzyme diastase. The results obtained showed that the average weight of honey Mallawa is 1.373 g / mL, the viscosity of 10.9651 P, HMF amounted to 49.120 mg / Kg, reducing sugar amounted to 70.752% w/w, sucrose at 3:25 w/w and enzymes diastase of 3.805 DN, This is according with ISO and IHC (International Honey Commition) that category Honey Mallawa still good enough for consumption

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24

Maddinedi, Sireesh babu, Badal Kumar Mandal, Shivendu Ranjan, and Nandita Dasgupta. "Diastase assisted green synthesis of size-controllable gold nanoparticles." RSC Advances 5, no. 34 (2015): 26727–33. http://dx.doi.org/10.1039/c5ra03117f.

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25

Roose, Hanna. "Was bringt der „erinnerte Jesus” der Bibeldidaktik? Überlegungen zu den didaktischen Chancen und Grenzen einer neuen Modellierung der Rede von Jesus Christus." Zeitschrift für Pädagogik und Theologie 71, no. 3 (2019): 287–301. http://dx.doi.org/10.1515/zpt-2019-0034.

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ZusammenfassungDidaktische Überlegungen zur Behandlung des Themas „Jesus Christus“ basieren seit etwa vier Jahrzehnten auf der Diastase zwischen dem historischen Jesus und dem kerygmatischen Christus. An die Stelle dieser Unterscheidung tritt jedoch seit mehreren Jahren im neutestamentlichen Diskurs die Rede vom „erinnerten Jesus“, in dem diese Diastase überwunden werden soll. Der Beitrag untersucht, inwiefern von diesem Paradigmenwechsel auch für die Religionsdidaktik fruchtbare Impulse ausgehen könnten. Als anschlussfähig erweisen sich die Aufwertung narrativer Zugänge und das konstruktivist

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Sabaratnam, Rathi M., Anunathan Reddi, and Dhirendra Govender. "Acinic Cell Carcinoma: An Unusual Cause of Bronchial Obstruction in a Child." Pediatric and Developmental Pathology 7, no. 5 (2004): 521–26. http://dx.doi.org/10.1007/s10024-004-1014-z.

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Primary acinic cell carcinomas of the lung are rare tumors, usually presenting in adulthood as parenchymal or endobronchial masses. These lesions are generally recognized by their morphological pattern and the presence of periodic acid-Schiff (PAS)-positive, diastase-resistant cytoplasmic granules. We describe a case of primary acinic cell carcinoma of the bronchus in a 4-year-old girl. The tumor has the typical acinar structures: weakly PAS-positive, diastase-resistant cytoplasmic granules and intra-acinar laminated calcific structures. A lobectomy was done with a clear bronchial resection ma

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27

Brandorf, Anna, Oksana Serebryakova, and Svetlana Esenkina. "The main indicators of compliance with the production standards and storage conditions of honey." Agrarian Bulletin of the 212, no. 09 (2021): 34–43. http://dx.doi.org/10.32417/1997-4868-2021-212-09-34-43.

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Abstract. The study presents an updated database on the impact of the main technological factors on the content of pollen grains and quality indicators of natural honey: diastase number, hydroxymethylfurfural content and invertase activity. The purpose of the research was to update the database on the impact of the main technological factors on the microscopy and quality indicators of natural honey: diastase number, hydroxymethylfurfural content and invertase activity. Based on the goal, the following tasks were solved: On the basis of the laboratory of the FSC of Beekeeping, production sample

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Imtiazah, S. Z., H. Zaharah, I. Murni, F. Tufail Ahmad, and H. M. Yusof. "Honeybee honey and stingless bee honey quality characteristics and their anticancer potential in HeLa cells." Food Research 5, no. 3 (2021): 413–22. http://dx.doi.org/10.26656/fr.2017.5(3).651.

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Honey is one of the best natural foods produced by bees. In the present study, samples of processed honeybee honey and processed stingless bee honey were analysed. The study aimed to compare their phytochemical, antioxidant and physicochemical properties and also to compare their anticancer potential towards HeLa cells. Honey samples were first analysed for total phenolic content, total flavonoid content, 2,2-diphenyl-1-picrylhydrazyl (DPPH), hydroxymethylfurfural (HMF) and diastase activity in order to determine their phytochemical, antioxidant and quality characteristics, respectively. They

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29

Wesołowska, Monika, and Małgorzata Dżugan. "Aktywność i stabilność termiczna diastazy występującej w podkarpackich miodach odmianowych." Zywnosc Nauka Technologia Jakosc/Food Science Technology Quality 113, no. 4 (2017): 103–12. http://dx.doi.org/10.15193/zntj/2017/113/214.

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Celem pracy było porównanie aktywności diastazy w miodach odmianowych, a także ocena stabilności termicznej enzymu podczas rozpuszczania i długotrwałego przechowywania miodu. Materiał do badań stanowiło 25 miodów odmianowych pozyskanych z pasiek działających na terenie Podkarpacia, w tym wielokwiatowy, nawłociowy, rzepakowy, lipowy i spadziowy. Liczbę diastazową (DN) określono w miodach świeżych, długotrwale przechowywanych i poddanych ogrzewaniu za pomocą testu Phadebas Honey Diastase test. Najwyższą aktywność α-amylazy stwierdzono w miodach nawłociowych i lipowych (odpowiednio: 32,65 i 31,47

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Twaiq, F., K. X. Chang, and J. Y. W. Ling. "Adsorption of diastase over natural halloysite nanotubes (HNTs)." IOP Conference Series: Materials Science and Engineering 206 (June 2017): 012066. http://dx.doi.org/10.1088/1757-899x/206/1/012066.

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31

Purich, Daniel L. "Enzyme kinetics: From diastase to multi-enzyme systems." Chemistry & Biology 2, no. 7 (1995): 449–50. http://dx.doi.org/10.1016/1074-5521(95)90261-9.

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32

Sak-Bosnar, Milan, and Nikola Sakač. "Direct potentiometric determination of diastase activity in honey." Food Chemistry 135, no. 2 (2012): 827–31. http://dx.doi.org/10.1016/j.foodchem.2012.05.006.

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Malik, Maulana, Siti Hamidah, and Trisnu Satriadi. "PRODUKTIVITAS DAN KUALITAS MADU KELULUT DARI DESA BANGKILING RAYA KABUPATEN TABALONG." Jurnal Sylva Scienteae 6, no. 4 (2023): 634. http://dx.doi.org/10.20527/jss.v6i4.10010.

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The stingless bee (kelulut / Trigona iitama) is a type of insect that is increasingly being cultivated in various regions, including in South Kalimantan. The efficacy of kelulut honey is very good and easy in beekeepng techniques is the reason why kelulut beekeeping has the potential to be developed. The purpose of this study was to determine the productivity and quality of kelulut honey at Bangkiling Raya Village, Tabalong Regency. Honey productivity was measured for 4 consecutive months, starting from June 2021 to September 2021. Honey quality was tested based on SNI 8664:2018, namely water

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SAMINA QAMER, ABIR ISHTIAQ, BILAL AHMAD, et al. "Evaluating the Shelf Life of APIS MELLIFERA Honey Collected in South Punjab, Pakistan." University of Sindh Journal of Animal Sciences (USJAS) 7, no. 03 (2023): 62–67. http://dx.doi.org/10.57038/usjas.v7i03.6509.

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The study aimed to assess the shelf life of multi-floral honey collected from the southern region of Punjab Province, Pakistan, over 12 months. Fifty honey samples were analyzed for various physiochemical parameters every four months at room temperature. Initial values included pH, free acidity, electrical conductivity, diastase number, invertase number, HMF, proline content, fructose, glucose, and sucrose percentages. After 12 months, the pH, free acidity, electrical conductivity, diastase, invertase, glucose, and fructose values decreased, while HMF content, proline content, and sucrose perc

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35

Gürbüz, Semra, Neslihan Çakıcı, Serdar Mehmetoğlu, et al. "Physicochemical Quality Characteristics of Southeastern Anatolia Honey, Turkey." International Journal of Analytical Chemistry 2020 (September 1, 2020): 1–6. http://dx.doi.org/10.1155/2020/8810029.

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This study was performed to investigate the physicochemical quality characteristics of honey produced in Southeastern Anatolia of Turkey. A total of 68 honey samples collected from different beekeepers were analyzed for sugar components, moisture, pH, HMF, electrical conductivity, free acidity, proline values, and diastase number using the methods recommended by the International Honey Commission. The color value was determined by the Hanna HI 96785 color identification device using the Pfund scale. The mean values of fructose + glucose, fructose/glucose ratio, sucrose, and maltose were 70.97

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Živkov Baloš, Milica, Nenad Popov, Sandra Jakšić, et al. "Sunflower Honey—Evaluation of Quality and Stability during Storage." Foods 12, no. 13 (2023): 2585. http://dx.doi.org/10.3390/foods12132585.

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Honey’s unique qualities should last for several years when properly stored. Therefore, it is up to manufacturers to choose the right shelf life for their product while also considering the product’s nature. Physicochemical parameters (water content, electrical conductivity, free acidity, pH, ash, water-insoluble matter, hydroxymethylfurfural (HMF), sugar content and composition, and diastase activity) were analyzed in 24 samples of sunflower honey collected from several localities in Vojvodina, Serbia. Crystallization indices were also calculated. Furthermore, the impact of eighteen months of

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Balkanska, Ralitsa, and Rositsa Shumkova. "Determination and assessment of some physicochemical parameters of Bulgaria sunflower and polyfloral honey." Bulgarian Journal of Animal Husbandry 60, no. 5 (2023): 51–56. http://dx.doi.org/10.61308/hueb9052.

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Honeybee products are highly valued food products in the nutrition and medicine.This work aims to determine physicochemical parameters of polyfloral and sunflower honey, which are produced in Bulgaria. Twelve sunflower and 17 polyfloral honey samples were used in this study. The parameters color, water content, electrical conductivity, specific optical rotation, pH, proline, invertase, diastase, hydroxymethylfurfural (HMF) were analyzed. Bulgarian sunflower and polyfloral honeys were characterized by main physicochemical parameters and compared to products from other countries. The color corre

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Komatsu, Sônia Shigueyo, Luís Carlos Marchini, and Augusta Carolina de Camargo Carmello Moreti. "ANÁLISES FÍSICO-QUÍMICAS DE AMOSTRAS DE MÉIS DE FLORES SILVESTRES, DE EUVALIPTO E DE LARANJEIRA, PRODUZIDOS POR Apis mellifera NO ESTADO DE SÃO PAULO. 1, ÍNDICE DE DIASTASE E HIDROXIMETILFURFURAL." BRAZILIAN JOURNAL OF AGRICULTURE - Revista de Agricultura 76, no. 3 (2015): 381. http://dx.doi.org/10.37856/bja.v76i3.1321.

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Wibowo, Sasongko Aji, Anang Lastriyanto, Vincentia Veni Vera, et al. "Analisis Mutu Madu setelah Proses Pasteurisasi dan Pendinginan Cepat." Jurnal Ilmiah Rekayasa Pertanian dan Biosistem 10, no. 2 (2022): 203–12. http://dx.doi.org/10.29303/jrpb.v10i2.407.

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Madu berguna untuk proses metabolisme tubuh pada manusia namun memiliki sifat higrokopis sehingga perlu penanganan pascapanen. Kualitas madu dipengaruhi oleh kadar air. Kadar air yang tinggi menyebabkan madu mudah berfermentasi dengan khamir. Proses pengolahan pascapanen madu yaitu pasteurisasi dan evaporasi. Pada proses pasteurisasi dan evaporasi suhu yang digunakan tidak boleh melebihi 70ºC karena akan merusak kualitas madu. Penggunaan ohmic heating untuk pasteurisasi dan vacuum cooling untuk proses evaporasi dan pendinginan menggunakan suhu di bawah 70ºC. Tujuan penelitian ini adalah mengan

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Mohammed Yousef Al-Haql, Hoda Yasein Habbal, Wafaa Asaad Yak, Mohammed Yousef Al-Haql, Hoda Yasein Habbal, Wafaa Asaad Yak. "Comparison of antioxidant activity and some bioactive compounds between Anise and citrus Syrian honey: مقارنة النشاط المضاد للأكسدة وبعض المركبات الفعالة حيوياً بين عسلي اليانسون والحمضيات السوري". Journal of agricultural, environmental and veterinary sciences 5, № 2 (2021): 14–1. http://dx.doi.org/10.26389/ajsrp.g250421.

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The aim of this research was to estimate and compare the antioxidant activity, total phenolic content, total flavonoids, amino acid proline, diastase activity and Hydroxymethylfurfural (HMF) in both Anise and citrus Syrian honey. 24 honey samples were collected directly from beekeepers during the harvest season of 2019. There were 12 samples of anise honey from Hama, Aleppo and Damascus countryside governorates. Moreover, another 12 citrus honey samples from Lattakia and Tartous governorates. Chemical tests were performed on samples directly after the collection. The analysis achieved in the l

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Antony, Navya, S. Balachandran та P. V. Mohanan. "Immobilization of diastase α-amylase on nano zinc oxide". Food Chemistry 211 (листопад 2016): 624–30. http://dx.doi.org/10.1016/j.foodchem.2016.05.049.

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DUSTMANN, Jost H., Jacob P. van PRAAGH, and Katharina BOTE. "ZUR BESTIMMUNG VON DIASTASE, INVERTASE UND HMF IN HONIG." Apidologie 16, no. 1 (1985): 19–30. http://dx.doi.org/10.1051/apido:19850102.

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Bajpai, A. K., and Roma Sachdeva. "Immobilization of diastase onto acid-treated bentonite clay surfaces." Colloid & Polymer Science 280, no. 10 (2002): 892–99. http://dx.doi.org/10.1007/s00396-002-0699-7.

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Ashly, P. C., M. J. Joseph та P. V. Mohanan. "Activity of diastase α-amylase immobilized on polyanilines (PANIs)". Food Chemistry 127, № 4 (2011): 1808–13. http://dx.doi.org/10.1016/j.foodchem.2011.02.068.

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Sereia, Maria Josiane, Eloi M. Alves, Vagner AA Toledo, et al. "Physicochemical characteristics and pollen spectra of organic and non-organic honey samples of Apis mellifera L." Anais da Academia Brasileira de Ciências 83, no. 3 (2011): 1077–90. http://dx.doi.org/10.1590/s0001-37652011000300026.

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The aim of this research was to analyze and compare 17 honey samples, 11 organic and six non-organic Apis mellifera honey. The samples were analyzed concerning moisture, hydroxymethylfurfural, diastase index, water activity, color, total sugar, reducing sugar, sucrose, ash, viscosity, electrical conductivity, pH, acidity, and formol index. With the exception of acidity, reducing sugar and diastase index, the averages of other parameters were different between the two groups. All samples of organic honey presented moisture values between 23.50 and 24.40%. Among the nonorganic honey samples, two

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Muli, E., A. Munguti, and S. K. Raina. "Quality of Honey Harvested and Processed Using Traditional Methods in Rural Areas of Kenya." Acta Veterinaria Brno 76, no. 2 (2007): 315–20. http://dx.doi.org/10.2754/avb200776020315.

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The honey consumed in most of Africa is harvested from traditional hives and processed using traditional methods. This work presents the quality characteristics of honey samples (n = 72) processed using traditional methods and on sale in various important beekeeping zones in Kenya: West Pokot, Baringo, Mwingi, Tana, North Kinangop, Mbeere, Nandi Hills, Mida Creek, Kakamega and Taita. The quality of the honey was compared to international standards as proposed in the Codex Alimentarius. The quality markers analyzed were moisture, hydromethylfurfural (HMF), sugar content, diastase, proline conte

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Mohammad, Najat Zaid, Kamaran Abdoulrahman, and Abdulkarim Y. Karim. "Diastase Enzyme activity and Hydroxymethylfurfural production during thermal processing of honey." Diyala Agricultural Sciences Journal 15, no. 2 (2023): 1–10. http://dx.doi.org/10.52951/dasj.23150201.

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The thermal treatment of honey is used to prevent honey crystallization which is one of the main problems that face beekeepers. In this study three samples of honey were heated at 40, 60, 80 and 100 °C, as a function of time in hours (h). Heating the samples at 40 °C did not show any significant effect on hydroxymethylfurfural (HMF) production or diastase enzyme activity up to 95 hours. Heating to higher temperatures 60, 80 and 100 °C resulted in a regular increase in HMF content and drop-off in diastase activity as a function of time. The HMF content reached 40 mg/kg after 80, 12.5 and 6 hour

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Miłek, Michał, Aleksandra Bocian, Ewelina Kleczyńska, Patrycja Sowa, and Małgorzata Dżugan. "The Comparison of Physicochemical Parameters, Antioxidant Activity and Proteins for the Raw Local Polish Honeys and Imported Honey Blends." Molecules 26, no. 9 (2021): 2423. http://dx.doi.org/10.3390/molecules26092423.

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Many imported honeys distributed on the Polish market compete with local products mainly by lower price, which can correspond to lower quality and widespread adulteration. The aim of the study was to compare honey samples (11 imported honey blends and 5 local honeys) based on their antioxidant activity (measured by DPPH, FRAP, and total phenolic content), protein profile obtained by native PAGE, soluble protein content, diastase, and acid phosphatase activities identified by zymography. These indicators were correlated with standard quality parameters (water, HMF, pH, free acidity, and electri

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Jaya, Firman, Lilik Eka Radiati, Teti Estiasih, et al. "Honey moisture reduction using several thermal methods and their effects on its quality." E3S Web of Conferences 335 (2022): 00026. http://dx.doi.org/10.1051/e3sconf/202233500026.

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Honey is thermally heated at various methods to decrease the moisture content and prolong the shelf life. The heating methods might decrease the quality of honey's physicochemical and biochemical properties. The present study thermally treated the honey with a pasteurizer, evaporator, and dehumidifier. The most thermally affected to decrease the moisture content were treatment by dehumidifier (14.09%), subsequent evaporation (8.41%), and pasteurization (8.41%). After heating, significant differentiation was also observed in the variation of both HMF (Hydroxymethylfurfural) content and diastase

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Bangaru, H., Sathish Shankar, Nanjundaswamy Bisalavadi Lingaiah, SR Shivani, BY Praveen, and Tejaswini Acharya. "A Rare Case Report of Lipoid Proteinosis with Distichiasis and Trichomegaly: An Interesting Entity." Clinical Dermatology Review 8, no. 2 (2024): 163–66. http://dx.doi.org/10.4103/cdr.cdr_106_21.

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Lipoid proteinosis (LP) is a rare autosomal recessive disorder characterized by infiltration of periodic acid schiff (PAS)-positive diastase-resistant hyaline material in the skin, oral cavity, and larynx caused by a mutation in the extracellular matrix 1 gene. Clinically characterized by beaded eyelid papules, waxy papules, nodules, plaques, and acneiform pock-like scars over the face and body. We report a case of LP, with involvement of the skin, eyes, brain, oral mucosa, and larynx, histopathologically confirmed by PAS-positive and diastase-resistant deposition in the dermis. The patient sh

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