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Kab. jember,
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INDONESIA
Jurnal AGROTEKNOLOGI
Published by Universitas Jember
ISSN : 19781555     EISSN : 25024906     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agroteknologi terbit 2 (dua) nomor per volume, dan mempublikasikan hasil penelitian dalam bidang ilmu dan teknologi pertanian yang mencakup teknologi hasil pertanian, enjiniring pertanian, dan agroindustri. Selain itu, dimungkinkan membahas berbagai ulasan ilmiah, resensi buku, komunikasi singkat, dan paket industri yang terkait dengan agroteknologi.
Arjuna Subject : -
Articles 262 Documents
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Formulasi Ekstrak Bunga Telang dan Ekstrak Kayu Manis Terhadap Karakteristik Fisik dan Sensori Minuman Isotonik Utami, Yulisa; Julianti, Elisa; Nurminah, Mimi
JURNAL AGROTEKNOLOGI Vol 17 No 01 (2023)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v17i01.30140

Abstract

Bottled drinking water is one of the beverage industries that dominate the soft drink market in Indonesia. An isotonic drink is bottled drinking water with an osmolality content similar to body fluids to replace lost body fluids after activities. This research aimed to develop and innovate isotonic drinks, based on local commodities such as butterfly pea and cinnamon with good quality and unique characteristics, so that can increase consumer interest in isotonic drinks. This study used a non-factorial Completely Randomized Design (CRD) method consisting of 6 levels (ratio of butterfly pea extract and cinnamon extract) i.e., P1 (80%:20%), P2 (70%:30%), P3 (60%:40%), P4 (50%:50%), P5 (100%:0%), dan P6 (0%:100%). The analysis includes viscosity, color index, and sensory analysis (color, taste, viscosity, and general acceptance). The results showed that the comparison formulation of butterfly pea extract and cinnamon extract had a very significant effect (P<0,01) on the physical and sensory characteristics of isotonic drinks. The value of the color index (˚Hue) range of 298.8–307.0, viscosity value range of 4.78–6.88%, and hedonic organoleptic, i.e. color range of 4.990–6.434, aroma range of 4.568–6.242, taste range of 4.550–6.360, the hedonic value of viscosity range of 4.910–5.876, and general acceptance range of 4.942–6.240. The best results of the isotonic drink was P1 (ratio of butterfly pea extract and cinnamon extract of 80%:20%) which produced the highest hedonic value and the physical characteristics. So, the butterfly pea and cinnamon extract can be made as a combination of an isotonic drink innovation. Keywords: butterfly pea extract, cinnamon extract, isotonic drink
Karakteristik Seduhan Daun Pletekan (Ruellia tuberosa L.) dengan Penambahan Variasi Konsentrasi Kayu Manis Prasetia, Retno; Palupi, Pratiwi Jati
JURNAL AGROTEKNOLOGI Vol 17 No 01 (2023)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v17i01.28035

Abstract

Pletekan leaves (Ruellia tuberosa L.) used as antidiabetic (type 2) contains flavonoid (polyphenol compounds) to prevent the formation of oxidative stress because of excess amount of glucose. In the previous research, naturally brewed of pletekan leaves combined with cinnamon gave the best result in taste and gave the highest concentration of tannin and phenol than other natural flavor (bay leaves, ginger, and pandan leaves). Thus, in this research, the variation concentration of cinnamon added in brewed of pletekan leaves that gave the best result was studied. This study was arranged in randomized design with six concentrations of cinnamon and three replications. The parameters analyzed were total phenolic, tannin, antioxidant activity, and organoleptic results (hedonic test) that was analyzed with ANOVA at 5% level. The result showed that the addition of the highest cinnamon concentration (S6) gave the highest concentration of phenol (224.88 ± 1.85 mg/L) and tannin (227.18 ± 1.67 mg/L) with the highest inhibition percentage as antioxidant (55.53 ± 0.16 %). In the organoleptic results, combination of pletekan leaves with the highest cinnamon concentration (S6) gave the highest preferred color (63.39%), taste (61.63%), and odor (70.2%), thus this one was the best combination in giving the preferred taste of beverage. So that, naturally brewed of pletekan leaves combined with cinnamon could increasing taste of it and expected to be a one of beverage from leaves. The brewed of pletekan leaves combined with cinnamon could increasing taste of it and expected to be a one of beverage from leaves as a raw material. Keywords: cinnamon, herbal beverage brewed, pletekan leaves
Peningkatan Rendemen Nata de Pina dengan Perlakuan Konsentrasi Starter dan Asam Asetat dari Kulit Nanas Varietas Tangkit Yusril, Ariadi; Hendrawati, Tri Yuni; Nugrahani, Ratri Ariatmi
JURNAL AGROTEKNOLOGI Vol 17 No 01 (2023)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v17i01.39099

Abstract

Pineapple plantation area in Tangkit Baru Village of Jambi Province is 1,200 ha with 10,101 tons/year of production and the pineapple peel waste is estimated at 2,727 tons/year. That pineapple peel can be used as a medium for nata de pina production. The study was to obtain the optimum natural starter and yield of nata de pina from pineapple peel of Tangkit variety. Completely randomized design (CRD) study of various carbon source (2, 2.5, 3, 3.5, 4%) and nitrogen source (0.5, 1, 1.5, 2, 2.5%) with treatment variation of starter concentration (5; 10; 15; 20; 25%), and varous acetic acid (0, 0,75%). This study produced five types of ready-to-use natural starters namely starter de tangkit 1, 2, 3, 4, and 5. The population of bacteria for starter de tangkit 1–5 around 7.0×106 until 1.6×108 CFU/mL and reference starter (Hanum merk) of 7.6×107 CFU/mL. The starter de tangkit 1 was chosen because it produces the optimum yield value and could be used in coconut media. At a starter concentration of 10%, the treatment with 0.75% acetic acid, 2.50% sugar, and 0.5% sprout extract produced the highest yield of 57.52%, while without acetic acid only 19.36% (the highest yield was only 30,76%). Linear equation to optimum produce of nata de pina yield: Y = 55.4148–1.24 X1+0.6392 X2 (Y yield, X1 sugar, X2 sprout extract). The variation of 25% starter concentration showed an increase in yield value to 66%. Data analysis using two-way ANOVA showed carbon and nitrogen sources did not have a significant effect on nata de pina yield. The moisture content, fiber, and organoleptic were not significantly different from reference nata de coco (SNI 01-4317-1996), but not in the color. Nata de pina had brown color because made from the extracts pineapple peel of the Tangkit variety. Keywords: acetic acid, nata de pina, pineapple peel, starter de tangkit
Decleaning Residu Pestisida Methyl Thiopanat pada Edamame dengan Menggunakan Teknik Ozonated Water Abi Bakri; Budi Hariono; Wulan Pandamsari Nareswari; Elok Kurnia Novita Sari
JURNAL AGROTEKNOLOGI Vol 17 No 01 (2023)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v17i01.31728

Abstract

Edamame (Glycine max (L) Merr.) is a type of legume with larger seeds, a sweeter taste, a softer texture, and high protein content. Edamame is a potential plant to be developed, to keep up with market demand, a role is needed an intensive one. One form of treatment for edamame is the application of pesticides thyophanate methyl fertilizer to plants. Nevertheless, excessive use of pesticides in edamame can leave pesticide residues. One of the efforts to reduce pesticide residues is washing with ozonated water and LC-MS analysis. The research decleaned the pesticide residue on edamame using ozonated water. Research methods were carried out using experimental design, with laboratory observations. The research material was edamame from Gading Mas Company and Farmers. The results showed that ozonated water can reduce thyophanate methyl pesticide residues on edamame based on the data LC-MS analysis i.e undetectable residue on the sample edamame with control treatment except only on edamame of Ivory Mas part of the peel. While the edamame sample from Gading Mas with treatment (pesticides and ozone pesticides) LC-MS analysis resulted prove to occur reduction of pesticide residues after washing using ozonated water technology by 10 ppm for 30 minutes, a decrease occurs in edamame the skin share by 81%, 58% in the edamame part of the seed, and 66%. Keywords: edamame, LC-MS analysis, pesticide, ozon
Peningkatan Mutu Buah Jeruk Siem Berdasarkan Masa Panen Basis Kalender dan Karakteristik Fisik dan Sensorisnya Handayani, Nurma; Akhiriani, Shanti; Rahmawati, Ani
JURNAL AGROTEKNOLOGI Vol 17 No 02 (2023)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v17i02.43096

Abstract

Harvesting the siem orange from its plants usually is not uniform. Citrus farmers sell their crops based on the request of the middlemen regardless of the age of harvest. Thus the price is relatively cheaper because it depends on the middleman during selling. So, this research aims to improve the quality of siem orange fruit based on the calendar harvesting and physical sensory characteristics. These research was conducted on farmers in Krai Village, Yosowilangun District, Lumajang Regency during the harvest period from March to July 2023. The flowering period for siem oranges was calculated at least 40 weeks in advance. Parameters observed in this study included diameter and weight, degrees of brix, sensory to grain color/squeeze, and level of sweetness. The results showed that the good quality of siem oranges fruits were produced in the harvest calendar from 32 to 36 weeks after flowering. Meanwhile for orange squeeze drink, siem orange harvested at 29 weeks after flowering. Good quality of siem oranges had a heavy weight of siem orange, juicy, dark orange pulp color, and brix degree value ranging of 10–12o. Based on this study, it was recommended for farmers to harvest siem oranges at the optimal harvesting age of 34 weeks from the flowering period so that the quality of the siem oranges fruits was optimal and the selling price could be higher. Keywords: brix value, grade, quality, siem orange fruit
Karakteristik Fisik dan Kandungan Gizi Tepung Pisang Lokal Lampung dengan Metode Perebusan Nirmagustina, Dwi Eva; Hidayat, Beni; Zukryandry, Zukryandry
JURNAL AGROTEKNOLOGI Vol 18 No 1 (2024)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v18i01.40286

Abstract

Lampung Province is the third largest banana producer in Indonesia with various types of bananas. It affects the differences of physical characteristics and nutritional content. Besides the type of banana, the processing can also affect the differences in its characteristics. The objective of the research was to determine the physical characteristics and nutritional content of banana flour from 8 types of bananas grown in Lampung Province as a source of local flour with the boiling method. The study was designed in a completely randomized block design with 3 replications. The results showed that the type of banana affected the physical characteristics and nutritional content of banana flour. Nangka bananas had the highest yield (42.06%) and muli bananas had the lowest yield (24.45%). Ambon kuning and tanduk had the highest degree of whiteness (44.60 and 41.20) and this is influenced by the color of the black pith. Muli banana flour was the highest protein content (3.54%). Fat content in nangka banana flour is the highest (1.09%). Ash of muli banana and ambon banana flour were the highest content (2.99% and 2.68%). Crude fiber of muli banana flour and kepok manado banana flour were the highest content (3.17% and 3.21%). The starch, amylose, and ratio of amylose/amylopectin of kepok manado and tanduk banana flour were the same and the highest content (respectively ranging between 74.53–76.29%, 26.18–28.92%, and 0.35–0.41). Vitamin C and total acid in local banana flour ranged from 0.51–2.34 mg/100 g and 0.62–2.25 respectively, muli bananas had the highest content of vitamin C and total acid with values of 2.34 mg/100 g and 2.25%. The boiling process can be applied as one of pre-treatment before making local Lampung banana flour. Keywords: banana flour, boiling method, local banana, nutritional
Sifat Mekanik dan Kemampuan Biodegradasi Antimicrobial Bioplastic Berbasis Kulit Buah Naga Merah (Hylocereus polyrhizuz) dan Ekstrak Daun Biduri (Calotropis gigantea) Arista, Yuvita Lira Vesti; Mutamimah, Dewi
JURNAL AGROTEKNOLOGI Vol 17 No 02 (2023)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v17i02.42930

Abstract

Plastic is often chosen as packaging for food products because it’s considered practical, non-corrosive, low cost, and able to withstand product water migration, but it’s difficult to degrade. So that need biodegradable plastic untuk handle that, but most of the biodegradable plastics that have been developed only focus on ease of degradation, do not focus on the microbial contamination problem. One alternative that can be developed is to make antimicrobial bioplastic based on starch from dragon fruit peel and biduri leaves as an antimicrobial source. Until now there is no further information regarding the mechanical properties and degradation ability of antimicrobial bioplastic based on starch from dragon fruit peel and biduri leaf waste. Therefore this research was carried out to determine the mechanical properties including tensile strength, modulus young, and elongation as well as degradation ability. The research was conducted using the completely randomized design factorial method which consists of 2 factors where the first factor was variation of the dragon fruit peel starch (P1: 15%, P2: 30%, P3: 45%, P4: 60%) and the second factor was the addition of biduri leaf extract (B1: 3%, B2: 6%, B3: 9%, B4: 12%. Research on the mechanical properties of elongation, tensile strength tests, and elongation at break tests was carried out using Mat. Testing Machine while Young's modulus testing uses tension testing. Antimicrobial bioplastic degradation capability testing using Aspergillus niger is calculated based on weight loss. The research results showed that the treatment with the addition of 15% dragon fruit peel starch (P1) had good mechanical properties ranging from tensile strength, modulus young, and elongation, while the addition of biduri extract had no effect. The best biodegradation ability was with the addition of 60% starch (P4). The use of starch in greater concentrations can reduce mechanical properties but increase biodegradation capacity. Keywords: antimicrobial packaging, biodegradable polymer, cross linkig, starch
Peningkatan Mutu Kakao Melalui Percepatan Lama Fermentasi dengan Penggunaan Pektinase Aspergillus niger dan Ion Kalsium Anggraini, Novia; Erawati, Christina Mumpuni; Putra, Sulistyo Emantoko Dwi
JURNAL AGROTEKNOLOGI Vol 18 No 1 (2024)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v18i01.41641

Abstract

Indonesia is the third largest producer of cocoa beans (Theobroma cacao L.) in the world, but the quality of Indonesian cocoa beans is considered as low. Fermentation is one of the factors that affect the quality of cocoa beans. Fermentation of cocoa beans is a spontaneous fermentation and takes about 5-7 days (for bulk cacao). The objective of this study was to determine the potential of adding pectinase from Aspergillus niger and calcium ions in accelerating fermentation time and the quality of cocoa beans produced. The independent variable in this study was the concentration of calcium ions as an enzyme activator. The concentration of calcium ions and pectinase are applied to cocoa fermentation. The observations made were reducing sugar content, total sugar content, protein content, lactic acid bacteria and acetic acid bacteria levels. Parametric data will be analysed by T-test independent with a confidence level of α=0.05. The results showed that added 4.5 units of pectinase and 100 mM calcium ions have significant in reduce the total sugar compared with control due to enzimatic activity. Therefore, the addition of pectinase enzymes from Aspergillus niger and calcium ions have a potential to accelerate the fermentation time and the fermented cocoa beans that have been carried out have met the quality standards of SNI 2828:2008 and included in I – B group of forastero cocoa. This potential needs to be tested further with a larger fermentation volume, for example above 40 kg, to achieve the optimal temperature for the formation of flavor precursors. Keywords: cocoa bean, ion calcium, pectinase, quality
Formula dan Umur Simpan Minuman Serbuk Berbasis Rosela dengan Penyalut yang Berbeda Monita, Gita; Mardiah, Mardiah; Jumiono, Aji; Akil, Syahril; Amalia, Lia
JURNAL AGROTEKNOLOGI Vol 17 No 02 (2023)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v17i02.44170

Abstract

Research on functional foods has been conducted by many researchers for healthy benefit (as an anti-obesity, anti-inflammatory, herbal drink, etc). One interesting research is the development of roselle (Hibiscus sadbariffa Linn) based functional foods in the form of powder drinks and its shelf life during storage. So that, this study aims to determine the shelf life of powder drinks made from roselle extract, lemon extract, mangosteen peel extract, and EGCG (epigallocatechin galat). In this study, the application of roselle extract was carried out with three different types of coating materials. Determination of shelf life was tested for moisture content, anthocyanin content, and vitamin C content to obtain roselle extract formulations with selected coating ingredients. The data obtained were analyzed using oneway ANOVA. The powder drink formulation was stored at 3 different temperatures of 25, 35, and 45oC for 16 days. Tests were carried out on days 0, 4, 8, and 16 days. The shelf life calculation is calculated based on the Accelerated Shelf Life Test (ASLT) Arrhenius model. The results showed that the type of encapsulated coating had a significant effect on the characteristics of water content, anthocyanin levels, and vitamin C levels at the level of 95%. The F3 sample (roselle extract, maltodextrin, pectin, and whey) was the most stable sample and had the longest shelf life in roselle powder beverage at 512 days at a storage temperature of 25oC. Keywords: anthocyanin, coating material, roselle extract, shelf life, vitamin C
Analisis Keberlanjutan Agroindustri Ikan Lemuru (Sardinella sp.) (Studi Kasus di Kecamatan Puger, Kabupaten Jember) Purnomo, Bambang Herry; Wibowo, Yuli; Suryaningrat, Ida Bagus; Novijanto, Noer; Suryadharma, Bertung; Fahmi, Achmadi Anwarul Anwarul
JURNAL AGROTEKNOLOGI Vol 18 No 1 (2024)
Publisher : Faculty of Agricultural Technology, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/j-agt.v18i01.43903

Abstract

The capture fisheries agroindustry faces serious business sustainability threats in the future, both from economic, resource, environmental, technological and social aspects. Lemuru fish (Sardinella sp.) based agroindustry in Puger District, Jember Regency also faces a similar threat. This research aims to analyze the sustainability of the lemuru fish processing business and provide recommendations for improving its sustainability. The analytical method used is Rapfish (Rapid Appraisal for Fisheries), while the recommendations are prepared descriptively. The results of the analysis show that the Lemuru agro-industry sustainability index is in the less sustainable category with a score of 42.61. The environmental dimension has the lowest index value in the bad category, followed by the social and technological dimensions which are categorized as less sustainable, while the resource and economic dimensions are categorized as quite sustainable. Efforts to improve the environmental dimension can be made by organizing mentoring programs to develop environmental management efforts. For the social and technological dimensions, technological guidance, management and horizontal diversification of processed lemuru waste can be carried out into various innovative products. Keywords: capture fisheries, lemuru, sustainability analysis, Rapfish

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