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INDONESIA
Agrointek
Published by Universitas Trunojoyo Madura
ISSN : 19078056     EISSN : 25275410     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Agrointek is an open access journal published by Department of Agroindustrial Technology,Faculty of Agriculture, University of Trunojoyo Madura. Agrointek publishes original research or review papers on agroindustry subjects including Food Engineering, Management System, Supply Chain, Processing Technology, Quality Control and Assurance, Waste Management, Food and Nutrition Sciences from researchers, lecturers and practitioners. Agrointek is published twice a year in March and August. Agrointek does not charge any publication fee.
Arjuna Subject : -
Articles 750 Documents
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Variasi konsentrasi kitosan dalam pembuatan bioplastik berbahan baku jerami nangka Ok Ricky Jumatul Qadri; Farida Hanum Hamzah; Dewi Fortuna Ayu
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v17i1.14376

Abstract

One biopolymer that can enhance the characteristics of starch-based bioplastics is chitosan. This research intended to obtain the finest chitosan concentration on bioplastics made from jackfruit straw characteristics. This examine experimentally conducted employing a Completely Randomised Design (CRD) with four treatments and four replications to yield 16 experimental units. This study’s treatment included K1 (chitosan concentration: 2%), K2 (chitosan concentration: 4%), K3 (chitosan concentration: 6%), and K4 (chitosan concentration 8% ). The parameters examined in this research included water resistance, water vapor transmission rate, tensile strength, elongation, and biodegradability. The acquired data were statistically examined using analysis of variance (ANOVA). If the F count was more than or equal to the F table, the analysis would proceed with Duncan's New Multiple Range Test (DNMRT) at a significance level of 5%. The analysis of variance showed the addition of different concentrations of chitosan in the manufacture of bioplastic made from jackfruit straw had a significant effect on water resistance, water vapor transmission rate, tensile strength, elongation, and biodegradability. The best treatment in this study was the K1 with a chitosan concentration of 2%, which had swelling of 67,09%, water vapor transmission rate of 3,0379 g/m2/hour, and tensile strength of 14,68 MPa, elongation of 32,46%, and 8 days for complete degradation.
Profil sensoris tablet effervescent kopi jahe dengan variasi konsentrasi serbuk kopi jahe dan jenis asam organik Umar Hafidz Asy'ari Hasbullah; Marcella Berliana Purnama; Rini Umiyati; Laela Nur Rokhmah
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v17i1.13615

Abstract

Ginger coffee drinks have been in great demand by consumers, and instant ginger coffee sachets have been circulating in the market. Ginger coffee effervescent tablets will be an alternative product to increase coffee consumption, and the industry can apply. This research aimed to study the sensory profile of ginger coffee effervescent tablets and their solutions made from a different concentrations of ginger coffee powder and types of organic acids. This study used a factorial design with two factors. The first factor was the concentration of 30 % and 50 % of ginger coffee powder. The second factor was the type of organic acid which consists of tartaric acid, malic acid, and a combination of both acids. A descriptive sensory test was conducted by using trained panelists. The results showed that the increasing concentration of ginger coffee powder in the formulation had a significant effect on the sensory profile of the ginger coffee tablet and effervescent solution, especially the darker and browner colors. In contrast, the taste and aroma weren’t changed significantly. The difference in organic acids in the formulation did not cause significant differences in the sensory profile of the ginger coffee effervescent solution and tablets. In general, the dissolution of tablets in water into an effervescent solution will increase the color sensory profile but not the aroma profile.
Front Matter March, Volume 17 No 1 2023 Editorial Board Agrointek
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Modifikasi fisik tepung suweg (Amorphophallus campanulatus) dengan iradiasi sinar ultraviolet C (UV-C) dan heat moisture treatment (HMT) Dewi Novita; Umar Hafidz Asy'ari Hasbullah; Fafa Nurdyansyah; Iffah Muflihati
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v17i2.13555

Abstract

Suweg (Amorphophallus campanulatus) is a tuber that has not to explored widely for its use. This study aimed to determine the effect of physical modification of UV-C and HMT on the characteristics of suweg flour. This study used a factorial design with two factors. The first factor is the type of modification which consists of Ultraviolet-C Irradiation (UV-C) and Heat Moisture Treatment (HMT). The second factor is the length of modification time. The UV-C modification uses 10 min, 20 min, and 30 min. Simultaneously, the HMT modification uses four, five, and six hours. The control used unmodified suweg flour. The result showed that the modified UV-C and HMT methods with different time-process variations affect the suweg flour characteristics. UV-C and HMT modification was increased solubility and yellowness (b*). In contrast, it decreased yield, moisture content, lightness (L*), and redness (a*). HMT modification had a most significant effect than UV-C modification in suweg flour modification.
Ekstrak bunga telang sebagai pengganti ZA pada fermentasi nata de banana peel Oktavia Nurmawaty Sigiro
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v17i1.13971

Abstract

Nata is a source of fermented food that contains high fiber. However, to reduce the use of ZA in food, other natural nitrogen sources are needed so that they are safer in the body. This study aims to determine the potential of telang flower or butterfly pea (Clitoria ternatea) extract as a substitute for ZA in fermented fiber-rich foods such as nata de banana peel. The research method was carried out by experimental methods, namely the observation of yield, fiber content, and thickness of  nata de banana peel without the addition of ZA (X1) and with the addition of ZA (X2) with the addition of a concentration of 25 ml and 50 ml of telang flower.The result showed that the highest nata result in terms of yield, fiber content, and nata thickness were nata samples with 50 ml of telang flower extract with the addition of ZA. The sample with telang flower extract without the addition of ZA was the highest in terms of yield and fiber content was nata with 25 ml of telang flower extract. Based on the thickness, nata with 25 ml of telang flower extract without the addition of ZA had a greater thickness than nata with 50 ml of telang flower extract without the addition of ZA. This shows that the sample with the extract of telang flower without the addition of ZA can form nata de banana peel. Therefore, the extract of telang flower can be used as a substitute for ZA in the fermentation process of nata by Acetobacter xylinum. Based on the fiber content produced, the best nata is nata de banana peel which is formed from samples with 25 ml of telang flower extract without the addition of ZA
Karakteristik sifat fisikokimia sabun cuci cair menggunakan sari lerak sebagai surfaktan alami La Choviya Hawa; Umroh Qothrun Nada; Sumardi Hadi Sumarlan
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v17i1.10696

Abstract

Lerak (Sapindus rarak Dc.) is an Asian plant that produces saponins, artificial surfactant, used as cleaning agent. Lerak has been used as traditional cleaning product because it is believed to maintain the color of the product, and also eco-friendly. The use of lerak as a traditional cleaning product is inefficient, so in this study lerak will processed as liquid laundry soap. This study conducted to determine the effect of lerak concentration (5 %, 7 % and 9 %) to the physicochemical properties of liquid laundry soap. This study used Randomized Block Design (RBD), analyzed by one way ANOVA and the next test used LSD test. Based on the research, lerak concentration were significantly different on pH, free fatty acids and clean ability of liquid laundry soap but were not significantly different on specific gravity, viscosity, foam stability of liquid laundry soap. The best treatment is liquid laundry soap with 7 % lerak concentration that have higher values of clean ability and viscosity. The addition of lerak concentration in liquid laundry is proven to increase their cleaning power and eco-friendly but will be constant at saturated level.
Analisis anteseden inovasi hijau terhadap kinerja berkelanjutan pada UMKM berbasis pangan di Kediri Raya Izzati Ardhan Firdausyi; Endah Rahayu Lestari; Wike Agustin Prima Dania
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v17i1.13610

Abstract

Nowadays, environmental problems are increasing. This is largely due to production activities carried out by large and small industries, one of which is MSMEs. The increasing number of SMEs that have sprung up also increases their impact on the environment. Increasing environmental problems encourage companies to be environmentally oriented and green innovation to be the right solution for these problems. The purpose of this study was to examine the antecedent variables of green innovation (technology capability and CSR/Corporate Social Responsibility) in MSMEs and the effect of implementing green innovation on sustainable performance. Then examine the effect of environmental dynamics in moderating the relationship between green innovation and sustainable performance. The conceptual model was verified using the Partial Least Square (PLS) method. Data were obtained from 100 food-based SMEs in Kediri Raya. The results showed that the antecedent variables (technology capability and CSR/Corporate Social Responsibility) had a significant positive effect on green innovation. Furthermore, green innovation has a significant positive effect on sustainable performance. Environmental dynamics have a significant negative effect on the relationship between green innovation and sustainable performance. The results of this study offer important implications for MSMEs to be more concerned and increase green innovation to achieve sustainable performance.
Penggunaan kapang Rhizopus oligosporus dalam pembuatan biofoam cup berbahan dasar sabut kelapa dan tepung kedelai Dewi Yunita; Rafiqah Rafiqah; Ismail Sulaiman; Eti Indarti
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v17i1.12706

Abstract

Biofoam is an alternative packaging to replace styrofoam because it is renewable and biodegradable. In this study, the coconut fibre were used in the production of biofoam cup with addition of commercial tempe yeast (Rhizopus oligosporus). The purpose of this study was to produce biofoam cup which has the characteristics of water resistant, not easily crushed, and easily decomposed. This study was conducted with a factorial Block Randomized Design (BRD) consisting of 2 factors (the amount of soybean flour (T) amd the length of fermentation (S)). The first factor consisted of three levels (20 g, 24 g, and 28 g). The second factor consisted of three levels (3 days, 4 days, and 5 days). All treatments were carried out with 3 replications so there were 27 experimental units. The biofoam cup was analysed for physical (water absorption and porosity), mechanical (puncture strength and compressive strength), and biodegrability. The results showed that the best biofoam cup were obtained from a combination of using 28 g soybean flour and 3 days fermentation. The biofoam cup has the following characteristics: 73 % of water absorption capacity, 72.3 % of porosity value, 3.27 kg/cm2 of puncture strength value, 3.17 kPa of compressive strength value. The average value of biodegradability value of biofoam cup made from coconut fibre was 48 % suggesting that the analysis should be done more than 14 days
Pembuatan tortila jagung (Zea mays L) dari substitusi tepung ampas tahu dan tepung jagung dengan penambahan natrium bikarbonat Muhammad Said Siregar; Lismadayanti Lismadayanti; Desi Ardilla
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v17i2.14240

Abstract

This study aims to determine the effect of the substitution of tofu flour and corn flour by the addition of sodium bicarbonate in a completely randomized design with two replicates. The first factor is the substitution of tofu flour: corn flour (S) are: S1=100:0, S2=25:75, S3=50:50, S4=75:25, and  S5=0:100. The second factor is the effect of adding sodium bicarbonate (P), which consists of three levels, namely: P1=0.00 %, P2=0.20 %, and P3=0.30 %. The observed parameters: protein content, water content, fat content, ash content, and organoleptic texture, color, and flavor. The statistical analysis showed that the substitution of tofu flour: with corn flour provides a highly significant effect (P0.05) on the protein content, water content, fat content, ash content, organoleptic color, flavor, and texture. The effect adding sodium bicarbonate provides a highly significant effect (P0.05) on the protein content, moisture content, fat content, ash content, and organoleptic texture and no significant effect on organoleptic taste and color.
Exploration study of indigenous civet (Paradoxorus hermaphroditus) bacteria: isolates characterization and molecular identification Murna Muzaifa; Yusya Abubakar; Febriani Febriani; Amhar Abubakar
AGROINTEK Vol 17, No 1 (2023)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v17i1.13841

Abstract

Biochemistry of civet coffee fermentation in the digestive tract of civets until now is not fully known. This study aims to isolation, characterization and identification of bacteria molecularly from the civet's digestive tract. Analysis of bacteria begins with the civet surgery to obtain fluid from three parts of the civet's digestive tract. Isolation of bacteria conducted by pour plate method using nutrient agar media. Single and different colonies (shape, colour, margin, elevation, size) were separated and purified by streaking method. The pure isolate was further characterized biochemically. The biochemical characteristics of the bacteria observed were Gram staining,  catalase, protease and pectinase activity. Identification of the bacteria was carried out molecularly by identifying the 16S rRNA gene. The results of molecular identification showed that the bacteria from the civet were identified as Alcaligenes faecalis strain LHW 1749, Ochrobactrum anthropi, Stenotrophomonas sp. 262 and Bacillus sp.

Page 41 of 75 | Total Record : 750

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