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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 697 Documents
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KARAKTERISTIK MANISAN NANGKA KERING DENGAN PERENDAMANGULA BERTINGKAT Imron sohibulloh; Darimiyya hidayati; Burhan Burhan
AGROINTEK Vol 7, No 2 (2013)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v7i2.2054

Abstract

Characteristics by soaking dried candied jackfruit sugar rise. This study examines the rise of sugar immersion or not the characteristics of candied dried jackfruit. Research purposes to determine the concentration of sugar solution and the optimal level of immersion in the manufacture of sugar candied dried jackfruit. The design of the experiment used Completely Randomized Design with two factors: first giving the concentration of sugar solution 3 levels ie 30%, 40% and 50%. The second factor is the level of immersion that for a second soaking soaked in a solution with a higher sugar concentration is 40%, 50% and 60%. Observed variables are organoleptic test, water content, sugar content, sucrose content, and texture analysis. Data were analyzed using ANOVA (Analysis of Variance) Univariate followed by Duncan's test. Research and the level of sugar concentration and immersion significantly affect the color and moisture content. Texture analysis candied dried jackfruit only generate values of hardness and resilience. Highest hardness value sebesar6 candied dried jackfruit, 0120x10 3 on treatment B1A3 (1 time soaking in the sugar concentration of 50%), and the lowest at 5.8347x10 3 treatment B2A1 (2 times soaking in sugar concentration of 40%). Resilience highest value of 0.840 candied dried jackfruit obtained treatment B2A3 (2 times soaking in sugar concentration 60%) and the lowest in treatment B1A3 0.511 (1 time soaking in sugar concentration 50%). Characteristics best candied jackfruit contained on B2A2 treatment (soaking 2 times the sugar concentration of 50%.). B2A2 treatment has karkateristik 17.64% moisture content, sugar content mg/100ml 4.987, 34.0481% yield, hardness 5.9900 x10 3 Ng, resilience 0.540, and the value of a sense of (7.17), aroma (5.27), color (4.73), texture (4.9), and overall preference (4,47).
PENGARUH VARIETAS TEBU, POTONGAN DAN PENUNDAAN GILING TERHADAP KUALITAS NIRA TEBU Aries Diyanto Kuspratomo; Burhan Burhan; Muhammad Fakhry
AGROINTEK Vol 6, No 2 (2012)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v6i2.1984

Abstract

Sugar is a product produced by sugar cane (Saccharum officinarum).  The quality of sugar is measured by analysing Nira Perahan Pertama (NPP) of sugar cane.  Nira’s quality is influenced by sugar’s variety, sugar’s cutting, and sugarmill delay time.  The goal of this study is to know the influence of cutting sugar’s variety and sugarmill delay time toward nira’s quality (%brix, %pol, pH, reduction sugar %brix, HK and NNPP).  This study used completely randomized factorial design (RAL).  Some independent variables used are: sugar’s variety (PSJT 941 and PS 881), cutting sugar (without cutting, 1/3 partand 1/5 part), and sugarmill delay time (day 0/freshandday 3).  While dependent variable used in this study was nira’s quality: %brix, %pol, pH, reduction sugar %brix, HK and NNPP.  Data analysed by using 3 ways analysis of variance.  Comparation test was done using 5% significance level.  The study showed that the best variety was PS 881, 1/5 part cutting sugar was not influential significantly toward nira’s quality; sugarmill delay time in 3 days caused nira’s quality go down (shown by raise of %brix, decrease of pH, raise of reduction sugar %brix, and decrease of HK).
PEMBUATAN BIOETANOL DARI MINUMAN SERBUK AFKIR Wiludjeng Trisasiwi
AGROINTEK Vol 10, No 2 (2016)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v10i2.2473

Abstract

Bioethanol can be made from three kinds of materials which contains glucose, starch, and cellulose. The creation of bioethanol from glucose substance considered the easiest because only needs two-stage process, fermentation and distillation. Nowadays, the creation of bioethanol from glucose and starch creates new problem due to the demand of the glucose and starch for food needs. Therefore, the non-food sources bioethanol should be found. One of them is from expired date powder beverage. The purpose of the research is to compare the bioethanol creation process using two kinds of distillation equipment. The analysis consist of yield and the purity of the bioethanol. Fermentation is carried out for 14 days using a 0.5% Fermipan yeast, Urea and TSP fertilizers. One time distillation using equipment with controlled temperature about 78oC for 6 hours produced bioethanol yield 20% and 95% purity. The simpler distillation tools without temperature controls, due 21.5% bioethanol, with 80% purity in twice distillation process. It can be concluded that controlled temperature at the ethanol's boiling point during the distillation process, produces higher yield and purity of the bioethanol also faster processing time. If the distillation temperature is too high, there will be lots of evaporated bioethanol to the ambient and water will evaporated and condensed, so the ethanol purity will be lesser.
PENGARUH KETERSEDIAAN OKSIGEN PADA PRODUKSI EPIGLUKAN OLEH Epicoccum nigrum MENGGUNAKAN MEDIA MOLASES Miftahul Choiron; Jayus Jayus; Sony Suwasono
AGROINTEK Vol 7, No 1 (2013)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v7i1.2045

Abstract

The compound β-glucan is a polymer of glucose, which is polymerized through betaglycoside bond. The compound β-glucan has anti-tumor benefits, reducing the risk of heartdisease, lowering cholesterol and so forth. The compound β-glucan can be produced by thefungus in ukstraseluler. One of the molds that can produce compounds in the extracellular β-glucan is Epicoccum nigrum, often called epiglucan. The purpose of this study was to determinethe effect of aeration and oxygenation to the production epiglukan by Epicoccum nigrum inmolasses media. This research was conducted using descriptive method with 3 under controlledconditions : anaerobic, aeration and oxygenation in the Stired Continuous Tank Reactor (batchculture). The parameters observed were the biomass (g / L), epiglucan (g/L), reducing sugarcontent (%) and pellet diameter are formed. Biomass and highest epiglikan obtained inoxygenated conditions which amounted to 7.074 g / L and 2.01 g / L. The resulting biomasspellet-shaped with the largest diameter occurs in conditions of oxygenation that is 0.37 mm.residual reducing sugar at the end of fermentation the greatest there is in the anaerobiccondition is 1.529%
KAJIAN PENERAPAN GOOD MANUFACTURING PRACTICE (GMP) DI INDUSTRI RAJUNGAN PT.KELOLA MINA LAUT MADURA Bhiaztika Ristyanadi; Darimiyya Hidayati
AGROINTEK Vol 6, No 1 (2012)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v6i1.1954

Abstract

Good manufacturing practice is the first step implementation of food safety regulation. PT. Kelola Mina Laut is one of chilled sea crab producers in Madura. It has four branches in Madura,those are in Tanjung Bumi, Noreh, Sampang, and Lobuk. The objective of this research is to assess the effectiveness GMP in four branches of PT. Kelola Mina Laut. The research  uses field observation, data analysis and GMP development as the method. Based on GMP analysis, four branches of PT. Kelola Mina Laut appear to have a cummulative score between 337-369, in which Lobuk has the highest score. Therefore, it can be concluded that PT. Kelola Mina Laut has applied most of GMP elements
ANALISIS FAKTOR-FAKTOR DAYA TARIK KEMASAN GULA MERAH TERHADAP MINAT PEMBELIAN ULANG KONSUMEN Sumrotul Hoiriyah; Banun Diyah Probowati; Umi Purwandari
AGROINTEK Vol 9, No 2 (2015)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v9i2.2140

Abstract

Brown sugar is human’s daily need that tends to increasingly change. The brown sugar is produced in Sumenep and delivered widely to Sampang region and surrounds it. The brown sugar sold in market is usally unpackaged brown sugar or not yet packaged. Packaging is important to increase the value of brown sugar itself. Factors exist in packaging is color, design, shape, size, physical material and information written on the label. The purpose of this study is to determine the amount influence of packaging factors on re-purchasing interest by applying multiple linear regressions analysis method. The result states that the color of package influences the increasing of re-purchasing interest of 0,714, packaging design influences the increasing of re-purchasing interest of 0,171, physical material influences the increasing of re-purchasing interest of 0,473, information writer on a label influences the increasing of re-purchasing interest of 0,409, shape influences the increasing of re-purchasing interest of -0,219 and size influences the increasing of re-purchasing interest of -0,047. So, the dominant factors are color, design, physical material and information written on a label.
PENINGKATAN ADDED VALUE KOPRA PUTIH DENGAN METODA INDIRECT DRYING M Imron Mustajib; Burhan Burhan
AGROINTEK Vol 8, No 1 (2014)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v8i1.2030

Abstract

Traditionally, drying of copra is carried out by sundrying or fumigation on a tomang (clay furnace). However, using these methods, the quality of copra resulted cannot be guaranteed and the prices is low, and thus the process is unprofitable. Another problem is that it is difficult to do the process during rainy season. We facilitated a copra home industry with a dryer with indirect drying system to replace the old copra processing drying equipment. The dryer consists of 12 racks equipped with a temperature controller (with temperatures reaching 150 ° C) and a timer. By controlling temperature and time it was possible to get good quality copra and the process can be done in rainy season. From the test results using LPG fuel at temperature of 70 ° C for 18 hours, white copra was produced with 7% moisture content.
PENURUNAN KANDUNGAN LOGAM BERAT PADA AIR LINDI DENGAN MEDIA ZEOLIT MENGGUNAKAN METODE BATCH DAN METODE KONTINYU Liliya Dewi Susanawati; Bambang Suharto; Kustamar Kustamar
AGROINTEK Vol 5, No 2 (2011)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v5i2.1945

Abstract

Leacheate could be defined as a liquid from the biological decomposition of decomposed waste that caused by external water that flowing in into the pile of waste. Leacheate caused by a prescipitation liquid into the Final Disposal, both from the rain infiltration or from the water content of the waste itself. Leachate is toxic due to impurities in the deposits that may be derived from industrial waste disposal, dust, the result of processing waste, household hazardous waste, or from the normal decomposition that occurs in trash. If the problem doesnt solved then the landfill that fille with leacheate could contamine the environment and more specific it would contamine ground water and surface water. The results of this study showed the levels of chromium (Cr) was at 0.3892 mg / l and the result treatment that have the most decreasing rate of chromium is at 0.1751 mg / l, while the result for Lead (Pb) is at 2.2923 mg / l and the average result treatment with the best decreasing rate is 0.3940 mg / l at the retention time of 3 weeks. Selection of the best treatment is based on qualitative parameters of wastewater, which is allowed according to the waste quality standard set by the government and different residence time in combinatiaon treatment. Selection of the best treatment P1Z2 give the average Cr content of the smallest since the levels of Cr on initial observation and after treatment P and Z has decreased significantly. And also on treatment P2Z2 give the decreasing rate for the smallest Pb. Pb is a levels at the beginning of the observation and treatment after being given P and Z. Both of these treatments can be interpreted that the treatment effect on levels of Cr and Pb.
Aplikasi Fuzzy Inference System untuk Menentukan Lokasi Pengembangan Sentra Peternakan Rakyat (SPR) Sapi Potong di Kabupaten Jember Bambang Heri Purnomo; Yuli Wibowo
AGROINTEK Vol 12, No 1 (2018)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v12i1.3241

Abstract

The development of community farming center (SPR) of cattle beef to consolidate the potential of people's cattle beef to be managed optimally to increase the production and welfare of farmers in realizing national beef self-sufficiency. Jember Regency as one of the centers of cattle beef in East Java Province has a policy to develop SPR in a number of sub-districts but still faces a number of problems that is determining which district will be chosen as SPR location. This research aims to design the model of determining SPR cattle beef location using fuzzy inference system technique. A number of key criteria in location determination are explored then designed into decision support models using the Matlab fuzzy tool box. The results showed that there are three key criteria for determining the location of SPR development of cattle beef, namely 1) potential  Feed from plants; 2) population of cattle beef; and the availability of facilities and infrastructure. Decision support model is built with fuzzy inference system technique using Triangular Fuzzy Number (TFN) representation model and MAMDANI inference method. The number of rules built as many as seven rules with the operator or and and and. Model simulation results show that the locations that are categorized as Very Suitable for SPR development of cattle beef are Silo, Sumberjambe, and Ledokombo Subdistricts, While sub District Gumukmas, Sumberbaru, Puger, Wuluhan, Kencong, Bangsalsari, Mumbulsari, and Jenggawah, fall into the Suitable category.
OPTIMASI SUHU DAN WAKTU PENGERINGAN KOPRA PUTIH DENGAN PEMANASAN TIDAK LANGSUNG (INDIRECT DRYING) Vina Agustini; Burhan Burhan; Askur Rahman
AGROINTEK Vol 8, No 2 (2014)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v8i2.2009

Abstract

Copra drying process conventionally carried out by using sundrying and fogging. The weakness of these methodsis that copra is easily contaminated by dust, gravel and microbes, thus resulted in low quality product. Drying in a dryer results in better quality copra with white colour of flesh. The purpose of this study was to determine the optimum drying temperature and time to result in white copra that meetsquality standards as indicated by water, oil and free fatty acid content. Experiment design was done by employing Response Surface Methodology (RSM) and Central Composite Rotatable Design (CCRD) with 2 factor, 5 levels for each factor, and total of 13 treatments. The results showed that optimum time for dryingwas13 hours at temperature in 60-66°C. Copra resulted had water content of 2.66%, oil content of 61.5% and free fatty acid content of 0.63%. The copra produced showed brown colour which may be related to temperature and drying time used in the process

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