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Journal articles on the topic 'Leaves of pineapple'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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1

Nguyen Thi, Hau Thu, Dung Nhan Tran, Ba Van Huynh, et al. "ANTIOXIDANT ACTIVATION OF ETHANOL EXTRACTS FROM PINEAPPLE LEAVES (Ananas comosus) AT TAC CAU REGION, KIEN GIANG PROVINCE." Scientific Journal of Tra Vinh University 1, no. 40 (2020): 39–49. http://dx.doi.org/10.35382/18594816.1.40.2020.615.

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Pineapple (Ananas comosus) is a kind of fruit with high nutritional value. This study investigated the resistance to oxidation DPPH (2,2-Diphenyl-1picrylhydrazyl (free radical) and deionized Fe3+ of ethanol extracts from theleaves (leaves grow on stems) and crown (crown of scale leaves) of pineapples. Study of high extraction efficiency in 99,5% ethanol solvent, mixing ratio between samples with the solvent is 1 : 4, combined ultrasonic wave with a capacity of 120 Walt within 72 hours. The total polyphenol content in all treatments was high: leave sample (140,9 ± 2,86 mg GAE/g) and crown sampl

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Karneli, Okta, Endang Sutrisna, Mandataris Mandataris, Syofiatul Safitri, Muhammad Ihsan, and Asiah Wasillah. "PENGEMBANGAN OLAHAN NANAS GAMBUT DALAM KEBERLANJUTAN PROGRAM ZERO WASTE PADA KELOMPOK USAHA TANI TUNAS MAKMUR." Prosiding Seminar Umum Pengabdian kepada Masyarakat 2, no. 2 (2024): 564–74. http://dx.doi.org/10.46306/seumpama.v2i2.84.

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Tunas Makmur Farmer Group is a peatland pineapple farming group with the farming run by the farmer group being zero waste pineapple farming. In its development, farmer groups have not been able to maximize the results of derivatives from pineapple peat, especially derivatives from processing pineapple leaves for creative craft products. This is due to farmer groups' lack of knowledge and skills in processing pineapple leaves. Apart from that, the group's ability to market the pineapple derivative products that have been produced is still lacking. This service aims to provide training in proces

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3

Tampubolon, Hose Fernando, and Solikhun Solikhun. "Predicting the Amount of Pineapple Production in Sumatra Using the Fletcher-Reeves Algorithm." International Journal of Mechanical Computational and Manufacturing Research 11, no. 2 (2022): 60–68. http://dx.doi.org/10.35335/computational.v11i2.2.

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Pineapple is a kind of organic product from the Bromeliaceae family which has the logical name Ananas comosus Merr. Pineapple plants have weathered skin and pointed leaves on top. The taste of new pineapple is a combination of sweet and slightly sharp. Pineapple is high in L-ascorbic acid, which helps cells fight damage, according to the Linus Pauling Organization at Oregon State College. L-ascorbic acid is also useful in managing medical conditions, such as heart disease and joint pain. However, due to the absence of consideration from the regions and local governments regarding pineapple on

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4

Ingrid Ovie Yosephine, Saroha Manurung, Rani Febriani Br Trg, Isni Hokikah Auliah, and Hardiansyah Hardiansyah. "Pengendalian Hama Kumbang Tanduk (Oryctes Rhinoceros) Menggunakan Fruit Trap dengan Kandungan Buah Nanas di Desa Payarengas Kecamatan Hinai Kabupaten Langkat." ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi 2, no. 4 (2023): 566–71. http://dx.doi.org/10.55123/abdikan.v2i4.2750.

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One of the pests that attacks oil palm plants is Oryctes rhinoceros Linn, known as a pest that borers oil palm shoots by sucking fluids and making holes in the midribs of leaves, stems and fruit. This horn beetle pest attacks oil palm plants planted in the field until they are 2.5 years old by destroying the growing point, resulting in damage to young leaves. So far, control has been carried out using chemical pesticides. The consequences of excessive use of pesticides can cause environmental problems. To avoid these consequences, natural horn beetle pest control is carried out using pineapple

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Palupi, Rizki, Fitri Nova Liya Lubis, Mirza Lena, and Hikma Pralitha Anjani. "Addition of Fermented Biomass Combination of Pineapple Waste and Indigofera Leaves in Broiler Rations on Nutrient Digestibility in Vitro and In Vivo." Jurnal Agripet 25, no. 1 (2025): 20–28. https://doi.org/10.17969/agripet.v25i1.31481.

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This study aimed to evaluate the effect of adding fermented biomass from a combination of pineapple waste and Indigofera leaves on nutrient digestibility in broiler chickens, both in vitro and in vivo. The materials used included 21-day-old broiler chickens, finisher-phase broiler rations, pineapple waste, and Indigofera leaves. A completely randomized design (CRD) was applied, consisting of five treatments with three replications each. The treatments included different levels of fermented biomass addition to the broiler rations: P1= 100% pineapple waste, P2= 98% pineapple waste + 2% Indigofer

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6

Wakman, W., DS Teakle, JE Thomas, and RG Dietzgen. "Presence of a clostero-like virus and a bacilliform virus in pineapple plants in Australia." Australian Journal of Agricultural Research 46, no. 5 (1995): 947. http://dx.doi.org/10.1071/ar9950947.

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When sap of asymptomatic or mealybug wilt-affected pineapple plants of the Smooth Cayenne group was negatively stained and examined in an electron microscope, clostero-like virus particles were occasionally seen. However, numerous clostero-like virus particles and occasionally some bacilliform particles were seen in partially purified preparations from both asymptomatic and wilted pineapple leaves. An antiserum, made by injecting partially purified preparations of clostero-like particles into a rabbit, trapped and decorated the clostero-like particles. Using this antiserum, the clostero-like p

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Husamah, H., M. Arya Fatah, Auberta Myra Ardelia, Putri Adelia Azalia, and Avina Ridatul Saputri. "The Effectiveness of Attractants for Fruit Fly in Orange Garden." Jurnal Penelitian dan Pengkajian Ilmu Pendidikan: e-Saintika 7, no. 2 (2023): 176–84. http://dx.doi.org/10.36312/esaintika.v7i2.1302.

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Fruit flies are plant-disturbing insects that harm farmers both qualitatively and quantitatively. Initial symptoms of damage to host plants are marked by the appearance of black spots until the plant parts rot and fall. Fruit flies will inject their eggs until they hatch and become larvae, then the larvae will gnaw the fruit flesh from the inside. Control of fruit flies so far still uses factory chemical insecticides that are not environmentally friendly and leave residues that threaten health. Controlling fruit flies that are environmentally friendly and not at risk of leaving residue can use

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8

Kemas, Arif Ramadhan Lanang Lintang, Firdaus, and Azharuddin. "PENGARUH FRAKSI MASSA SERAT DAUN NANAS DAN SERAT KACA TERHADAP KEKUATAN KOMPOSIT SEBAGAI MATERIAL ALTERNATIF BUMPER MOBIL." MACHINERY: JURNAL TEKNOLOGI TERAPAN 6, no. 1 (2025): 86–95. https://doi.org/10.5281/zenodo.15242180.

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<em>In 2022, Indonesia produce 3.2 million tons of pineapples. Besides the fruit, pineapple leaves can be used as composite materials. Combining pineapple leaf fibers with glass fibers offers a potential high-strength material. This study examines how different mass fractions of these fibers affect composite strength for car bumper alternatives. The highest tensile strength (116.40 MPa) was found in a specimen with 18.52 g Pineapple Leaf Fiber, 43.89 g Glass Fiber, 38.70 g Epoxy, and 18.14 g Hardener. However, the T-test showed no significant effect of mass fraction on tensile strength (0.123

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9

Azman, Azahani Natasha, Rudraa Devi Giamasrow, Nurfarhana Mustafa, et al. "5 GHz Microstrip Patch Antenna from Pineapple Leaf-Based Substrate for Environmentally Sustainable Wireless Communication." Journal of Advanced Research in Applied Sciences and Engineering Technology 51, no. 1 (2024): 28–38. http://dx.doi.org/10.37934/araset.51.1.2838.

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Pineapples generate approximately 75% waste, each with its unique characteristics. Pineapple leaves have the potential to be utilized in the development of new fibres or raw materials. This study aims to present the design of a microstrip patch antenna that utilizes a pineapple leaf substrate to achieve a 5 GHz frequency resonant. The antenna design was simulated using CST software. The manufacturing process of the pineapple leaf substrate involves boiling, drying, blending, filtering, and mixing composite compositions. The dielectric permittivity at a frequency of G-band was determined using

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10

Herlinawati, H., Junifa Layla Sihombing, Agus Kembaren, and Masdiana. "Utilization of pineapple (ananas comosus l) leaves plant waste as a natural biosorbent." Journal of Physics: Conference Series 2193, no. 1 (2022): 012078. http://dx.doi.org/10.1088/1742-6596/2193/1/012078.

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Abstract The adsorption process is more suitable because the costs required are not too expensive and will not cause new contaminants. Currently, research is being promoted on the use of alternative adsorbents derived from nature. Natural adsorbents in addition to having good adsorption ability, are also more economical. Natural biosorbent from pineapple leaves (Ananas comosus L) which had previously been carried out with carbonation, biosorbent activation, and biosorbent characterization using XRD and BET instruments, respectively. The results of the XRD analysis characterization obtained the

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11

Zhuang, Zhi Kai, Ming Fu Li, Jun Yan He, and Jin Zhang. "Study on Fiber Fineness of Smooth Cayenne Pineapple Leaf." Advanced Materials Research 864-867 (December 2013): 390–93. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.390.

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To determine the the fiber fineness in different parts of the old and young leaves. the pineapple leaf fiber of smooth cayenne was used as raw material, The results showed that, the length of fiber extracted from the old leaves of smooth cayenne pineapple ranged from 80 cm to 100 cm, and the average fiber fineness of the the tip and root were 14.40 dtex and 18.53 dtex, respectively. While the length of fiber extracted from the young leaves of smooth cayenne pineapple ranged from 50 cm to 70 cm, and the average fiber fineness of the the tip and root were 13.27 dtex and 14.77 dtex, respectively.

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12

Rejo, Amin, Rizky Tirta Adhiguna, and Debora Geovanni Rajagukguk. "Study of Natural Dyes and Pineapple Leaf Fibres Growing Locations within Plant Stems on Dyeing Intensity." E3S Web of Conferences 68 (2018): 01030. http://dx.doi.org/10.1051/e3sconf/20186801030.

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The physical properties of fibres produced from pineapple leaves can vary due to the differences in growing locations within a stem and are influenced by leaf growth age. Pineapple leaf fibres require quality increase, particularly in dyeing. The utilizing of natural dyes ingredients from suji (Dracaena angustifolia) leaves extract, turmeric (Curcuma domestica val) and sappan (Caesalpinia sappan [L.]) wood have friendly impact on the environment. Various types of natural dyes and leaf fibres growing location within the stems of pineapple plants and the color intensity are carefully examined in

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13

Dong, Chao Hong, Zhou Lv, Liang Zhang, Hong Jie Shen, Na Na Li, and Ping Zhu. "Structure and Characteristics of Pineapple Leaf Fibers Obtained from Pineapple Leaves." Advanced Materials Research 998-999 (July 2014): 316–19. http://dx.doi.org/10.4028/www.scientific.net/amr.998-999.316.

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Pineapple leaf fiber is a nature hemp leaf fiber extracted from pineapple leaves. Its structural characteristics was investigated by means of scanning electron microscope (SEM), X-ray diffraction (XRD), Differential scanning calorimetry (DSC) and thermogravimetric analysis (TG). The results showed that the percent crystallinity and preferred orientation of crystallites in pineapple fibers were 60.82% and 98.5%, respectively. The average fracture strength of the pineapple leaf fiber is high and the linear density is low, so there is a high fiber spinnability and yarn quality. The present study

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14

Du, Ji Hua, Jin Zhang, Zhi Kai Zhuang, and Ming Fu Li. "Study on Fiber Fineness of Comte De Paris Pineapple Leaf." Advanced Materials Research 1004-1005 (August 2014): 572–76. http://dx.doi.org/10.4028/www.scientific.net/amr.1004-1005.572.

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To determine the the fiber fineness in different parts of the old and young leaves. the pineapple leaf fiber of comte de paris was used as raw material, The results showed that, the length of fiber extracted from the old leaves of comte de paris pineapple ranged from 70 cm to 90 cm, and the average fiber fineness of the the tip and root were 14.13 dtex and 18.50 dtex, respectively. While the length of fiber extracted from the young leaves of comte de paris pineapple ranged from 45 cm to 65 cm, and the average fiber fineness of the the tip and root were 13.09 dtex and 15.03 dtex, respectively.

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15

Wan Mohd, Wan Zuraida, Nur Diyana Zulpahmi, Nur Fatin Nadzirah Zukaimi, Siti Aisha Naí’lla Che Musa, Nur ‘Amira Hamid, and Nurul Wahida Ramli. "Antioxidant Potential of Different Parts of Three Pineapple Varieties N36, Madu and MD2." Journal of Science and Mathematics Letters 11, no. 2 (2023): 74–82. http://dx.doi.org/10.37134/jsml.vol11.2.9.2023.

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Pineapple (Ananas comosus) is widely consumed and appreciated not only due to its taste and aroma and to its nutritional and antioxidant properties, including its vitamin C and phenolic contents. In an attempt to explore new antioxidant leads, pineapple waste is often neglected in the pineapple industry. Fruit processing has considerably higher ratios of by-products and pineapple by-products are not exceptions as they consist basically of the residual pulp, peels, stem, and leaves. Pineapple waste is a by-product resulting from canning processing of pineapple that produces about 35% of fruit w

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16

Sibaly, Stephen, and Pratima Jeetah. "Production of paper from pineapple leaves." Journal of Environmental Chemical Engineering 5, no. 6 (2017): 5978–86. http://dx.doi.org/10.1016/j.jece.2017.11.026.

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17

Liao, Clara Yuqi, Ysabel Jingyi Guan, and Mauricio Bustamante-Román. "Techno-Economic Analysis and Life Cycle Assessment of Pineapple Leaves Utilization in Costa Rica." Energies 15, no. 16 (2022): 5784. http://dx.doi.org/10.3390/en15165784.

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Pineapple production around the world creates large amounts of wasted organic residue, mainly in the form of pineapple leaves. Current management practices consist of in situ decomposition or in situ burning, both of which cause the proliferation of flies and air pollution, respectively. The research conducted aims to develop a utilization process for this residue. Considering that pineapple leaves are rich in carbohydrates and other nutrients, a simple biological process involving a two-step procedure for juice production and ethanol fermentation has been developed to convert the leaves into

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18

Edi Kamal, Sainal, Muhammad Saharuddin, and Jumrah Jumrah. "Potential of Pineapple (Ananas comocus (L.) Merr.) Flesh as a Laxative in Mice (Mus muscullus)." Jurnal Farmasi Sandi Karsa 9, no. 1 (2023): 52–59. http://dx.doi.org/10.36060/jfs.v9i1.122.

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The pineapple plant, Ananas comocus (L) Merr, has growing shoots at the base that grow into a midrib. The sword-like leaves are strong and substantial. For defecation, the bromelin enzyme, which is contained in pineapples, is frequently used as a laxative (constipation). The purpose of this study was to ascertain the laxative effects of pineapple flesh (Ananas comocus (L) Merr.) extract and the dosages at which it was effective. The Pharmacology Laboratory, Faculty of Mathematics and Natural Sciences, Pancasakti University, used an experimental study design. In this investigation, 25 mice were

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Ahmed, Osumanu H., M. H. A. Husni, A. R. Anuar, and M. M. Hanafi. "Towards Sustainable Use of Potassium in Pineapple Waste." Scientific World JOURNAL 4 (2004): 1007–13. http://dx.doi.org/10.1100/tsw.2004.199.

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Due to the 1997/98 haze problem in South-East Asia and the increasing need for sustainable food production and development, the usual management of crop residues (including pineapple wastes) through burning is prohibited. As a result, the need for alternative uses of pineapple wastes in pineapple production has been emphasized. This study investigated an environmentally friendly means of recycling pineapple leaves for agricultural use. Pineapple leaves were shredded and composted in a composting drum for 30 days. Part of the shredded leaves was ashed in a muffle furnace for 4 h. Humic acid (HA

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GARCIA, WANDREILLA MOREIRA, WILLIAN KRAUSE, DEJÂNIA VIEIRA DE ARAÚJO, ISANE VERA KARSBURG, and RIVANILDO DALLACORT. "METHODS FOR INOCULATION WITH Fusarium guttiforme AND GENETIC RESISTANCE OF PINEAPPLE (Ananas comosus var. comosus)." Revista Caatinga 30, no. 2 (2017): 353–60. http://dx.doi.org/10.1590/1983-21252017v30n210rc.

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ABSTRACT The objective of this work was to evaluate Fusarium guttiforme inoculation methods and genetic resistance of pineapple accessions. Thus, three experiments were conducted: pathogen inoculation of different leaf types (B, D and F) of pineapple (1), pathogen inoculation of pineapple cuttings and detached D leaves (2), and identification of resistance to fusariosis in 19 pineapple accessions (3) sampled in the State of Mato Grosso, Brazil. The cultivars Pérola (susceptible to fusariosis) and BRS-Vitória (resistant to fusariosis) were used as controls. The fusariosis severity was evaluated

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Mamun, M. Al, MRA Redoy, AAS Shuvo, et al. "Dietary supplementation of medicinal herbs with total mixed ration to mitigate enteric methane emission in sheep." Bangladesh Journal of Animal Science 50, no. 1 (2021): 28–35. http://dx.doi.org/10.3329/bjas.v50i1.55566.

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The purpose of this study was to determine the effects of pineapple wastes (Ananas comosus), garlic leaves (Allium sativum), moringa leaves (Moringa oleifera) and their combination on growth, plasma metabolites, meat characteristics and enteric methane emission in sheep. A total of 15 sheep (initial BW: 8.3±0.2 kg; age: ~ 1 year; non-descript indigenous to Bangladesh) were randomly assigned to one of five dietary treatments with three sheep per treatment in a completely randomized design. Dietary treatments were: (1) CL-diet: a total mixed ration (TMR) pellet based on roadside grass and concen

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Daud, Zawawi, Mohd Zainuri Mohd Hatta, Angzzas Sari Mohd Kassim, Ashuvila Mohd Kassim, and Halizah Awang. "Analysis by Pineapple Leaf in Chemical Pulping Process." Applied Mechanics and Materials 773-774 (July 2015): 1215–19. http://dx.doi.org/10.4028/www.scientific.net/amm.773-774.1215.

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Malaysia has an abundance of agro waste material that have not been fully utilized to a maximum production. Thus, the finding of a new alternative fiber in non wood material will be favorable in paper production. Pineapple (Ananas Comosus) is the common tropical plant, which consists of coalesced berries. This pineapple is leading member of the family of Bromeliaceae and it came from genus Ananas. Fiber bundle from pineapple leaf can be separated from the cortex where it reveals the pineapple leaf fiber in multi-cellular and lignocelluloses pattern. This leaf has a ribbon-like structure and ce

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Purba, Carly, Hotnida Sinaga, and Mimi Nurminah. "Effect of Ratio of Moringa Leaves Juice with Pineapple Juice and Arabic Gum on the Quality of Jelly Candy." Indonesian Journal of Agricultural Research 1, no. 2 (2018): 162–71. http://dx.doi.org/10.32734/injar.v1i2.303.

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The purpose of this research was to determine the effect of ratio of moringa leaves juice with pineapple juice and the best percentage of arabic gum on the quality of jelly candy. This research was using completely randomized design with two factors, i.e. : ratio of moringa leaves juice with pineapple juice (K): (100%:0% ; 75%:25% ; 50%:50% ; 25%:75% ; 0%:100%) and arabic gum percentage (G): (1,0% ; 1,5% ; 2,0%). Parameters analyzed were moisture content, ash content, vitamin C content, total soluble solid, total acid, lightness value (L*), hedonic organoleptic values of colour, flavour, taste

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C Celis, Oliver. "Viability of Pineapple Leaves as an Alternative Natural Fiber Geotextile." International Journal of Scientific Engineering and Research 5, no. 9 (2017): 107–11. https://doi.org/10.70729/ijser171896.

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Zahrani, Adelia, Yulian, Wuri Prameswari, Catur Herison, Usman Siswanto, and Supanjani. "The Effect of Accessions on Growth and Adaptation of Pineapple (Ananas comosus (L.) Merr.) under Drought Stress Conditions in Bengkulu City, Indonesia." Asian Journal of Research in Crop Science 10, no. 3 (2025): 105–15. https://doi.org/10.9734/ajrcs/2025/v10i3377.

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Pineapple (Ananas comosus (L.) Merr.) is a high-value tropical fruit crop with broad ecological adaptability. However, drought stress remains one of the limiting factors in cultivation, especially during the seedling phase in open fields. This study aimed to analyze the effect of various pineapple accessions on the growth and adaptability of local pineapples under drought stress conditions. The study was conducted at the Greenhouse of the Medan Baru Agricultural Zone, Kandang Limun, Muara Bangka Hulu Subdistrict, Bengkulu City, using a completely randomized design (CRD) with two factors: pinea

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ASOBA, GILLIAN NKEUDEM, METUGE SAMUEL, FLORINE MABEL KAZI, RENE NING TEH, and IRENE ULE NGOLE SUMBELE. "HAND-MADE PAPER PRODUCED FROM PINEAPPLE LEAVES (ANANAS COMOSUS) AS A POTENTIAL MATERIAL FOR FOOD PACKAGING." Journal of Tertiary and Industrial Sciences (JTIS) 3, no. 1 (2023): 65. https://doi.org/10.5281/zenodo.8213240.

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Pineapple plants are very common in tropical regions and very easy to extract fibres from their leaves. The utilization of natural fibres in paper making is a new source of material which can be eco-friendly, renewable and recyclable. The main objective of this study is to produce papers from Pineapple leaves as potential material for Food Packaging. In this research, 3 kinds of papers of different thicknesses were made from fresh Pineapple leaves using 1M, 2M and 3M NaOH. The Experimental research design and Survey research design were used for analysing consumer acceptance of the products. T

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Azman, Noor Siti Fitrah, and Zulkifli Romli. "Alternative Pineapple Fibre Advancement in Furniture Design." Environment-Behaviour Proceedings Journal 9, SI17 (2024): 43–50. http://dx.doi.org/10.21834/e-bpj.v9isi17.5434.

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The pineapple fruit plant is widely used in Malaysian agriculture, and Malaysia is one of the top three countries for pineapple production. One of the issues with pineapple trees is leaf waste. Pineapple leaf waste takes a long time to decompose. The impact of pineapple leaf waste will be put into the sewer, allowed to rot, and then burned to eradicate it after harvest. The current study of pineapple leaf waste is used for innovation and development in manufacturing furniture as a new material. It is the primary underpinning of sustainable materials. Learn about the role of pineapple leaves fr

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Fauzia, Syiffa, Ani Iryani, and Adinda Jeihan Rania. "Citric acid-modified pineapple leaves (Ananas comossus) for nitrate and chloride ions removal." E3S Web of Conferences 503 (2024): 01002. http://dx.doi.org/10.1051/e3sconf/202450301002.

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Industrial developments have provided both positive and negative impacts for the environment. The environmental pollution caused by industrial activities discharge toxic waste such as chloride and nitrate. Therefore, recent research employed pineapple leaves (Ananas comossus) as a cellulose-based material to remove chloride and nitrate ion in aqueous solution. The pineapple leaf powder was modified using citric acid to enhance its performance. The optimum conditions were achieved at pH 2, contact time 90 minutes, concentration 100 mg/L for chloride removal meanwhile the removal of nitrate reac

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Muhaimin, Muhaimin, Beta Wulan Febriana, and Septian Arfan. "Reaction Kinetics in Conversion Process of Pineapple Leaves into Glucose." Reaktor 18, no. 03 (2018): 155. http://dx.doi.org/10.14710/reaktor.18.03.155-159.

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Abstract This research aimed to determine the reaction kinetics in the process of hydrolysis of pineapple leaves. The experiment was carried out at the temperature (60, 90, and 120 oC) and variation of acid catalyst concentration (0.1; 0.5 and 1 M) by observation reaction time every 30 min. The kinetics model of hydrolysis reactions of pineapple leaves has shown first order reaction with activation energy value to find the concentration of sulfuric acid successively: 0.1 M; -15420 KJ/mol; 0,5 M; 3173.8 KJ/mol; 1 M; 100.53 KJ/mol. The reaction rate constant which produced the highest glucose le

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Arifandi Adiyuda, Firhan. "THE EFFECT OF VOLUME FRACTION AND ALKALI TREATMENT ON THE IMPACT STRENGTH OF A COMPOSITE MADE FROM PINEAPPLE LEAF FIBERS (ANANAS COMOSUS L. MERR) – EPOXY." Jurnal Teknik Mesin 3, no. 2 (2024): 323–29. https://doi.org/10.33795/j-meeg.v3i2.5685.

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Indonesia is one of the largest pineapple producing countries in the world. So far, pineapple leaves only become agricultural waste. One way to use pineapple leaves is by processing the fibers in pineapple leaves into a reinforcing material for composites. Composite is a combination of two or more materials that have a number of properties that cannot be possessed by each component, which are then arranged in a symmetrical combination to obtain certain properties. In this research, pineapple leaf fiber was used as a filler, while epoxy as a matrix is a resin that has good strength and durabili

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Braga, R. M., T. S. Queiroga, G. Q. Calixto, et al. "The energetic characterization of pineapple crown leaves." Environmental Science and Pollution Research 22, no. 23 (2015): 18987–93. http://dx.doi.org/10.1007/s11356-015-5082-6.

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Islam, SA, MM Rahman, MA Hossain, MGA Chowdhury, and M. Mostafa. "COMPARATIVE EFFICACY OF SOME MODERN ANTHELMINTICS AND PINEAPPLE LEAVES WITH THEIR EFFECTS ON CERTAIN BLOOD PARAMETERS AND BODY WEIGHT GAIN IN CALVES." Bangladesh Journal of Veterinary Medicine 3, no. 1 (2012): 33–37. http://dx.doi.org/10.3329/bjvm.v3i1.11340.

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A twenty five calves of naturally infected with ascarid parasites were treated with different modern anthelmintics and pineapple leaves to study the comparative efficacy during the period from January to September 1997. The calves were divided into five groups. Groups A, B, C, D were treated with ivermectin (200 ?g / kg SC), albendazole (7.5 mg / kg orally), piperazine citrate (200 mg / kg orally) and pineapple leaves extract (1g / kg orally) respectively and group E was kept as untreated control. On the basis of faecal egg count of ascaris in calves, ivermectin was found to be more effective

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A.A., Musurmanov, Bazarova R.Sh., and Tojiyev K. "INNOVATIVE METHODS OF GROWING PINEAPPLES (ANANAS COMOSUS (L.) MERR)." Journal of Academic Research and Trends in Educational Sciences 1, no. 8 (2022): 7–12. https://doi.org/10.5281/zenodo.6811698.

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This article provides information on innovative methods for growing pineapple (Ananas somosus (L.) Merr). Pineapple (Ananas somosus (L.) Merr) - The fruit of the plant contains minerals (S, carotene, B1, B2, B5, B12, PP), minerals such as calcium, phosphorus, iron, copper, iodine, zinc, magnesium. In addition, pineapple contains 86% water, protein, sugar, citric acid. Other evidence indicates that the cultivated pineapple species (Ananas comosus) originated in South America. Soil samples were taken from an experimental field of Gulistan State University for growing pineapple rosette leaves (An

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Sungkawa, Hendra Budi, Wahdaniah Wahdaniah, and Herlinda Djohan. "The Effectiveness of Pineapple Extract (Ananas Comosus) and Kesum Leaves (Polygonus Minus) on the Quality of Coconut Oil (Coconus Nucifera)." JURNAL INFO KESEHATAN 19, no. 2 (2021): 134–43. http://dx.doi.org/10.31965/infokes.vol19.iss2.519.

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The processed oil from the coconut plant is generally understood as coconut oil. A method is required to produce a product with a higher oil extraction rate and is able to reduce the water content and free fatty acids in the coconut oil production. It is also necessary to add substances that can delay or prevent fat oxidation reactions by generating substances in the form of antioxidants. The method that can be implemented is the enzymatic method employing the bromelain enzyme in a pineapple with the addition of an antioxidants substance from the kesum leaf. The objective of this research is t

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Darmawati, Sri, Aprilia Indra Kartika, Diazti Ihza Aulia, Wuri Handayani, and Itsna Risqi Aziz. "Microstructural and Protein Subunit Analysis: The Effect of Protease from Chayote, Pineapple Peel and Biduri Leaves as Natural Tenderizer on Mutton, Beef and Buff." Trends in Sciences 20, no. 3 (2022): 6519. http://dx.doi.org/10.48048/tis.2023.6519.

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Mutton, buffalo and beef meats have a tough texture and sometime is hard to eat. Naturally, enzymatic processing using plant-based compound, including, chayote (Sechium edule), pineapple (Ananas comosus) and biduri (Calotropis gigantea) contains abundance protease that potential to be developed. This research aims to compare the effect chayote, pineapple peel and biduri leaves to tenderize mutton, beef and buff meat at various doses. The sample meats, mutton, beef and buff were obtained from upper leg (round) part. The chayote, pineapple peel powder and biduri leaves was processed into powder

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Habibi, Imam. "Business Development Training by Taking Pineapple Leaf Fiber in Ngancar Farmers' Group." Soeropati 4, no. 2 (2022): 135–41. http://dx.doi.org/10.35891/js.v4i2.3285.

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Pineapple is an important commodity in Kediri regency, pineapple is very popular because it tastes sweet and has a sour taste, and contains nutrients and antioxidants. The service activity involved the UNISKA faculty of agriculture in collaboration with the pineapple farmer group and PT. PNM Kediri Branch. The objectives of the activity are identification of pineapple farmers' problems through survey activities, solve problems through survey activities, and solve problems through training activities. Pineapple leaf fiber extraction in Kediri regency is not widely known. Farmers still rely on s

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Lestari, Diana, Rini Bikarindrasari, and Trisnawaty K. "Antibacterial Potency of Prabumulih’s Pineapple Leaves Extract (Ananas comosus) Towards Enterococcus faecalis." Sriwijaya Journal of Dentistry 4, no. 2 (2023): 1–11. http://dx.doi.org/10.32539/sjd.v4i2.43.

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Introduction: Unsuccessful elimination procedures of Gram-positive bacteria (Enterococcus faecalis) often lead to failure of endodontic treatment. It is necessary to use irrigation solutions to eliminate it from the root canal. The leaves of Pineapple (Ananas comosus) that are widely cultivated in Prabumulih have antibacterial properties due to active compounds such as bromelain enzymes, flavonoids, phenols, saponins, tannins, and alkaloids and have potential as an alternative material for root canal irrigation. Purpose: This study aimed to determine the antibacterial potency of Prabumulih pin

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Sumiati, T., H. Suryadi, Harmita, and Sutriyo. "Morphological, characterization and FTIR analysis of delignified pineapple leaves as raw material for cellulose production." IOP Conference Series: Earth and Environmental Science 1160, no. 1 (2023): 012072. http://dx.doi.org/10.1088/1755-1315/1160/1/012072.

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Abstract Lignocellulose is an abundant natural polysaccharide component containing cellulose, hemicellulose and lignin. Pineapple leaves contain high levels of cellulose and their utilization as abundant plantation waste is still not optimal. The delignification process was carried out to isolate cellulose and remove lignin contained in pineapple leaf fibers. This study aims to obtain high purity cellulose and analyze the effect of delignification on morphology and FT-IR results. In this study, the pineapple leaf fiber used underwent a delignification process by adding a Deep Euteutic Solvent

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Rd., Halim, and Dra. Yusnelti Dr. "Utilization Potentials of Moringa Oleifera Leaves Syrup in Prevention of Anemia." International Journal of Science and Healthcare Research 4, no. 4 (2019): 1–5. https://doi.org/10.5281/zenodo.3935476.

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<strong>Background:</strong> Anemia is still remains as the main nutritional problem in Indonesia. Based on Indonesia basic health research 2018, the prevalence of anemia in Indonesia was 23,7%. The prevalence of anemia in children under 5 years was 38.5%, and in pregnant women was 48,9%. Indonesia has a large number of natural plants that contain rich of nutrients such as <em>Moringa oleifera</em>. The leaves are 25 times more iron than spinach. <strong>Aims:</strong> This study aims to analyze the content of Fe level and the organoleptics of <em>Moringa oleifera</em>&nbsp

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Yeo, Ethan Ju Yan, Ping Ping Chung, Kusau Brandonberg Salang, and Elaine Yee Lee Yeu. "Microcrystalline Cellulose Derived from Pineapple Leaf and its Concentration Effect on Polycaprolactone-Based Composite." Solid State Phenomena 372 (July 2, 2025): 69–75. https://doi.org/10.4028/p-lxl8bf.

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Pineapple leaf is a significant agricultural waste in pineapple processing plants. The leaf comprises several carbohydrate polymers, including cellulose, hemicellulose and lignin. This research investigated the use of microcrystalline cellulose (MCC) extracted from pineapple leaves as a reinforcing agent in polycaprolactone (PCL) biopolymer at various MCC concentrations. MCC was extracted from pineapple leaves through several processes, including alkali treatment with sodium hydroxide (NaOH), bleaching with sodium hypochlorite (NaOCl), and acid hydrolysis with oxalic acid. Fourier transform in

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Daud, Zawawi, Halizah Awang, Angzzas Sari Mohd Kassim, Mohd Zainuri Mohd Hatta, and Ashuvila Mohd Aripin. "Comparison of Pineapple Leaf and Cassava Peel by Chemical Properties and Morphology Characterization." Advanced Materials Research 974 (June 2014): 384–88. http://dx.doi.org/10.4028/www.scientific.net/amr.974.384.

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Proper waste management in Malaysia is needed for the organic wastes such as pineapple leaf and cassava peel where affects the increase the amount of solid waste dump into landfill. Thus, to overcome this problem agro waste material can be constructed in many production industries to commercialize the use of alternative fibre for the paper industry. The main objective of this study is to demonstrate the use of fibrous in pineapple leaf and cassava peel by production of alternative fibre based on chemical properties and surface morphology characteristic. This study conducted for the chemical co

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Adi, Vinda Afrilia, Gitanjali Darmawan, Rian Dewi Saputri Azahra, and Ferra Delan Jelita. "Gel Formulation from Pineapple Leaf Waste with Propylene Glycol Variations for Burn Wound Healing." Research in Chemical Engineering (RiCE) 3, no. 2 (2024): 56–62. https://doi.org/10.30595/rice.v3i2.223.

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Despite their potential medicinal properties, pineapple leaves (Ananas comosus L. Merr) are an underutilized agricultural waste. These leaves contain flavonoids, which are known for their ability to aid in wound healing, particularly for burns as a gel. Propylene glycol plays an important role in the formulation of gels due to its ability to enhance the penetration and absorption of active compounds, such as flavonoids from the pineapple leaves. It also helps in maintaining the gel's consistency, ensuring it remains stable and effective for topical applications. in this study, varying concentr

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Apipatpapha, T., P. Ongkunaruk, and R. Chollakup. "Pineapple leaf fiber supply chain analysis for the sustainability of community enterprise: a case study in Thailand." IOP Conference Series: Earth and Environmental Science 1074, no. 1 (2022): 012032. http://dx.doi.org/10.1088/1755-1315/1074/1/012032.

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Abstract Thailand is one of the most significant pineapple producers and exporters in the world. In 2020, the pineapple cultivation area is around 72,656 hectares, which generated agro-waste after harvesting such as leaves, rhizome, and stem. The estimation of waste from leaves is about 37.5 tons per hectare, which results in waste of around 2.7 million tons per year. In addition, most farmers burn agro-waste rather than decompose causing pollution problems. Previous research showed that pineapple leaves can be used as raw materials in other industries such as textiles, paper, packaging, reinf

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Didin Nahrudin Syah, Ade Cahya Kurniawan, and Agung Gustiawan. "Cross-Sectoral Collaboration in Empowering Pineapple Farmers." Prospect: Jurnal Pemberdayaan Masyarakat 2, no. 3 (2023): 229–38. http://dx.doi.org/10.55381/jpm.v2i3.184.

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The pineapple commodity is a local product for some residents in West Java, especially in Sarireja Village. This potential needs special attention to maintain local agricultural products. However, the pineapple fruit yields in the Sarireja area were not able to enter the market optimally due to constraints on yields that were less than optimal. Through the assistance of the Kampung Nanasku corporate social responsibility program by promoting the principle of the Tripple Bottom Line, the Kampung Nanasku program is aimed at strengthening the sustainability of the lives of pineapple farmers. The

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Santoso, Ramadhani Dwi, and Sobir. "Pertumbuhan Planlet Nenas (Ananas comosusL. Merr.) Varietas Smooth Cayenne Hasil Kultur In Vitro pada Beberapa Konsentrasi BAP dan Umur Plantlet." Buletin Agrohorti 1, no. 1 (2013): 54. http://dx.doi.org/10.29244/agrob.1.1.54-61.

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<p style="text-align: justify;">The aim of this research is to study the effects of synthetic cytokinin (6-benzylaminopurine/BAP) treatments on two groups of pineapple (Ananas comosusL.Merr.) plantlets differentiated by plantlet ages. The research used the Factorial Experiment on Randomized Complete Block Design with two factors, which are BAP concentrations (0 ppm, 25 ppm, 50 ppm, and 75 ppm) and plantlet division by age grouping (52 days and 69 days), with three replications. It was then followed by Tukey’s Honestly Significant Difference Test at error level of 5%. The results show tha

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Akter, Mst Kamrunnaher, ABM Jalal Uddin, Maksudur Rashid, Fahima Binthe Aziz, Md Bazlar Rashid, and Mahmudul Hasan. "Studies on prevalence of ascariasis in indigenous chickens in Gaibandha district and treatment by pineapple leaves extract." Research in Agriculture Livestock and Fisheries 3, no. 1 (2016): 157–63. http://dx.doi.org/10.3329/ralf.v3i1.27872.

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Ascariasis is very common in indigenous chicken causing retarded growth, low productivity and mortality. Considering the problem of Ascaridia galli in chickens, anthelmintic resistance, high cost and human health hazard of chemical anthelmintic the use of medicinal plant is an alternative choice. The study was conducted to determine the incidence of ascariasis in Polashbari upazilla of Gobindhaganj district during July to November 2012 and subsequently evaluated the efficacy of pineapple (Ananus comosus) leaves extract against ascariasis infected chickens. Out of 500 chickens examined for pres

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Suraweera, R. M. S. L., S. T. Gonapinuwala, and M. D. S. T. De Croos. "Evaluating the feasibility of using seaweed and pineapple leaves to develop moisture and blood-absorbent paper for fish packaging." Sri Lanka Journal of Aquatic Sciences 30, no. 1 (2025): 53–61. https://doi.org/10.4038/sljas.v30i1.7622.

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Food packaging is crucial for perishable products such as seafood, which can spoil easily. This paper investigates the potential of using cellulose from pineapple leaves, which are generally discarded after harvesting, to produce moisture and blood-absorbing wrapping paper instead of wood fibre, which raises concerns about deforestation. Seaweed powder from Kappaphycus alvarezii was used as a bio-preservative to replace synthetic preservatives. A process was developed to produce paper using existing soda pulping methods to produce paper from pineapple leaves. Five different levels of seaweed p

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Rukundo, Aimable, Peter Michael Dass, and Nkafamiya I.I. "Study of Extraction, Treatment and Characterization of Pineapple Leaves Fibers as Potential Utility in Textile Industry." IDOSR JOURNAL OF EXPERIMENTAL SCIENCES 10, no. 2 (2024): 60–76. http://dx.doi.org/10.59298/idosr/jes/102.6076.1124.

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Extraction, treatment and characterization of pineapple leaves fibres was achieved. The study revealed that water retting is the best way to extract fibers as it is easily controlable which reduces the chance of reducing the strength of fibres. Also,it was observed that dried pineapple leaves fibres take longer time to ret compare to fresh leaves.The fibers were treated using NaOH for scouring while bleaching was carried out using H2O2. The treatment of fibers was conducted to get rid of fat, wax and other impurities as well as undesired colors bonded to fibers that could not be removed throug

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C., Sivakkolundu. "A Study on Production and Marketing of Pineapple in Kolli Hills, Namakkal District, Tamil Nadu – India." International Journal of Agricultural Sciences and Technology 1, no. 4 (2021): 33–46. https://doi.org/10.51483/IJAGST.1.4.2021.33-46.

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India is the second largest producer of fruits (44 million tons) and vegetables (87.5 million tons) with a unique position in fruits like mango, litchi, banana, pineapple, sapota and grapes. India’s share in the world production is about 10.1% in fruits and 14.4% in vegetables. The future of the Indian farmers depends on the success of the agriculture sector as India’s prosperity is predominantly linked to the growth in income in the agrarian sector of the economy. India has been bestowed with wide range of climate and physio geographical conditions and as such is most suitable for

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Borroto, Eduviges G., Mayra Cintra, Justo González, Carlos Borroto, and Pedro Oramas. "First Report of a Closterovirus-Like Particle Associated with Pineapple Plants (Ananas comosus cv. Smooth Cayenne) Affected with Pineapple Mealybug Wilt in Cuba." Plant Disease 82, no. 2 (1998): 263. http://dx.doi.org/10.1094/pdis.1998.82.2.263c.

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Pineapple mealybug wilt (PMW) was first described in Hawaii in 1910 and has since spread wherever pineapple is cultivated. PMW is currently one of the most important field diseases of pineapple in Cuba, causing up to 40% crop loss. Leaves of plants affected with PMW turn bronze-red and lose turgidity, and the tips curve down. Root system size is decreased and fruits are unmarketable because the flesh is fibrous and sour. Leaves from wilt-affected pineapple plants were selected from the Experimental Station “Tomás Roig” at Ciego de Avila, Cuba. Asymptomatic plants derived from meristem tissue a

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