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Agrointek

agrointek
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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.

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Articles 750 Documents

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KARAKTERISTIK COOKIES TEPUNG KIMPUL TERMODIFIKASI (Xanthosoma sagittifolium) DENGAN PENAMBAHAN TAPIOKA Dedin Finatsiyatull Rosida; Nindya Aulia Putri; Maghfiroh Oktafiani
AGROINTEK Vol 14, No 1 (2020)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Cookies are processed cakes made from wheat flour. However, currently the need for flour is mostly met with import activities, so there needs to be an effort to reduce dependence on the use of wheat flour. One of the local food resources that can be used as an alternative to flour is cocoyams flour (Xanthosoma sagittifolium) which was modified by the fermentation process using the starter Lactobacillus plantarum to improve product texture. Tapioca can also be used as a substitute for wheat flour in making cookies, while the formation of texture can be helped by the addition of margarine. This study aimed to determine the effect of the proportion of cocoyams flour: tapioca flour and the addition of margarine to the characteristics of cookies. This research used factorial completely randomized design with two factors. The first Factor is proportion of modification cocoyams flour and tapioca (50:50, 60:40, and 70:30). The second factor in the form of concentration addition of margarine (50%, 60%, 70%). The results showed that the best treatment was the proportion of modification cocoyams and tapioca flour (70:30) and the addition of 50% margarine which produced cookies with criteria of water content of 3.95%, fat content of 29.15%, crude fiber of 3.29%, fracture strength of 11.17 N, yield of 55.95%, and organoleptic test results with the number of ranks of preference level for crispness/texture of 139, aroma 110.5, color 106 and taste 133.8

PHYSICAL CHANGES OF ANDALIMAN (ZANTHOXYLUM ACANTHOPODIUM DC.) IN PACKAGING DURING LOW-TEMPERATURE STORAGE David Septian Sumanto Marpaung; Raizummi Fil'aini; Amna Citra Fahrani; Dwi Cahyani; Ayu Oshin Yap Sinaga
AGROINTEK Vol 13, No 2 (2019)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Zanthoxylum acanthopodium, locally known as Andaliman, is exotic spices which grown in North Sumatera. Several investigation shown that the special taste and aroma comes from pericarp of Andaliman. However, the pericarp of Andaliman is easily degraded. The proper postharvest handling of Andaliman is necessary to preserve fresh Andaliman for long time. Previously, Andaliman has been preserved in packaging under room temperature storage. Further investigation of Andaliman preservation in packaging under low temperature storage would help reduces the postharvest losses. In this study, the physical changes of Andaliman in various packaging under low-temperature storage were observed. The results shown that within 2 days, the pericarp of Andaliman in paper packaging was shrunk, similarly found in control without packaging. Meanwhile, the pericarp of Andaliman in aluminum foil and PP plastic were found normal in day 3. This result indicated that in low-temperature, Andaliman in Aluminum foil was recommended for best postharvest handling.

KARAKTERISTIK FRUIT LEATHER DARI BUAH BIDARA (ZIZIPHUS MAURITIANA) DAN KULIT BUAH NAGA MERAH SERTA RUMPUT LAUT SEBAGAI BAHAN PENGIKAT Sri Winarti; Ulya Sarofa; Vidya Vianita Wulandari
AGROINTEK Vol 14, No 1 (2020)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Fruit leather is one of the snack foods made from fruits, in the form ofthin sheets with distinctive consistency and taste depending on the typeof fruit used. One of the fruits that can be processed into fruit leatheris the bidara fruit (Ziziphus mauritiana). To improve the texture andcolor of fruit leather, the red dragon fruit peel is added as a source ofpectin and seaweed Eucheuma cottonii as a source of kappacarrageenan because it can form gel well.The purpose of this studywas to determine the effect and get the best combination of treatmentsfrom the propoetion of bidara fruit and red dragon fruit peel and theconcentration of E. cottonii seaweed on the characteristics of fruitleather. This study used a completely randomized design (CRD)factorial pattern of 2 factors, namely the proportion of bidara fruit andred dragon fruit peel (65%:35%; 70%:30%; 75%:25%) and theconcentration of seaweed E. cottonii (0 %; 0.4%; 0.8%; 1.2%) with 2replications. The data obtained was analysis by ANOVA, if thetreatment that had a significant effect was carried out further testingusing the DMRT test. The results showed the best treatment onproportion 65% of bidara fruit and 35% of red dragon fruit peel and1.2% concentration of seaweed, its produced fruit leather withmoisture content of 15.68%; antioxidant activity of 31.80%; vitamin Clevels of 30.78 mg/100 g; anthocyanin of 3.30 mg/100 g; tensilestrength of 1.4130 N; color includes L* of 42.98, a* of 41.26, b* of18.06; organoleptic scoring test includes taste of 3.16 (slightly soursweet), color of 4.92 (red), texture of 2.36 (not soft); and dietary fiberlevels of 4.06%Fruit leather is one of the snack foods made from fruits, in the form ofthin sheets with distinctive consistency and taste depending on the typeof fruit used. One of the fruits that can be processed into fruit leatheris the bidara fruit (Ziziphus mauritiana). To improve the texture andcolor of fruit leather, the red dragon fruit peel is added as a source ofpectin and seaweed Eucheuma cottonii as a source of kappacarrageenan because it can form gel well.The purpose of this studywas to determine the effect and get the best combination of treatmentsfrom the propoetion of bidara fruit and red dragon fruit peel and theconcentration of E. cottonii seaweed on the characteristics of fruitleather. This study used a completely randomized design (CRD)factorial pattern of 2 factors, namely the proportion of bidara fruit andred dragon fruit peel (65%:35%; 70%:30%; 75%:25%) and theconcentration of seaweed E. cottonii (0 %; 0.4%; 0.8%; 1.2%) with 2replications. The data obtained was analysis by ANOVA, if thetreatment that had a significant effect was carried out further testingusing the DMRT test. The results showed the best treatment onproportion 65% of bidara fruit and 35% of red dragon fruit peel and1.2% concentration of seaweed, its produced fruit leather withmoisture content of 15.68%; antioxidant activity of 31.80%; vitamin Clevels of 30.78 mg/100 g; anthocyanin of 3.30 mg/100 g; tensilestrength of 1.4130 N; color includes L* of 42.98, a* of 41.26, b* of18.06; organoleptic scoring test includes taste of 3.16 (slightly soursweet), color of 4.92 (red), texture of 2.36 (not soft); and dietary fiberlevels of 4.06%

MODEL SISTEM DINAMIS PERENCANAAN BAHAN BAKU PADA PRODUK VENEER DI PT. XYZ Bambang Herry Purnomo; Aqidatul Izza
AGROINTEK Vol 14, No 1 (2020)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

PT. XYZ is a company that processes raw materials in the form of wood into veneers, which are semi-finished products from plywood. The veneer production process at PT. XYZ is currently experiencing stockout of raw materials, so the company has not been able to meet the number of consumer requests. The company has also experienced an increase in raw material inventory, this is due to the delay in the response of raw materials to be produced. Based on this, raw material planning is needed to minimize the occurrence of stockouts and increase inventory, so that when viewed from quantity, quality and timings are more optimal. Data needed to design dynamic system models are past demand data, raw material inventory, production capacity, and production warehouse capacity, which are designed using powersim studio 2005 software. Based on the raw material planning scenario, the optimistic scenario is the best scenario to minimize inventory amounting to 643,092 m3 / month from the total log face and log core, and also can reduce the average stockout of the total log face and log core by 887,561 m3 / month. The changed parameters are by increasing the safety stock by 10%, and accelerating the response of information from 30 days to 7 days.

PEMBUATAN SABUN CAIR BERBAHAN BAKU MINYAK KELAPA DENGAN BERBAGAI VARIASI KONSENTRASI EKSTRAK TEH PUTIH Asri Widyasanti; Adryani Tresna Winaya; S Rosalinda
AGROINTEK Vol 13, No 2 (2019)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Minyak kelapa merupakan salah satu bahan baku sabun yang dapat digunakan, karena memiliki kandungan asam laurat yang tinggi. Penambahan ekstrak teh putih berfungsi sebagai zat aktif untuk menambah fungsi khusus sabun cair. Tujuan penelitian ini adalah untuk mengetahui pengaruh penambahan ektrak teh putih pada sabun cair terhadap karakteristik sabun. Metode yang digunakan merupakan metode eksperimental laboratorium dengan analisis korelasi-regresi dan analisis deskriptif. Perlakuan pada penelitian ini adalah penambahan konsentrasi ekstrak teh putih (1,0% v/v) sebesar A = 0% (b/v), B = 0,5% (b/v), C = 1,0% (b/v), D = 1,5% (b/v), dan E = 2,0 % (b/v), dari 300 gram basis sabun. Parameter penelitian yaitu bobot jenis, pH, Angka Lempeng Total (ALT), Antibakteri dan uji organoleptik. Hasil analisis menunjukan semua formula sabun cair memenuhi persyaratan SNI 06-4085-1996. Formula sabun cair perlakuan D merupakan produk terbaik menurut hasil uji organoleptik dengan presentase 40%. Uji antibakteri menunjukkan sabun cair perlakuan E memiliki aktifitas daya hambat bakteri yang kuat yaitu 12,93 mm ± 0,33 dengan nilai bobot jenis 1,0253 g/g ± 0,002 , pH 9,23 ± 0,059, dan Angka Lempeng Total 5,5 x 104 koloni/g ± 0.

PENINGKATAN DAYA SAING KEDELAI LOKAL TERHADAP KEDELAI IMPOR SEBAGAI BAHAN BAKU TEMPE MELALUI PEMETAAN FISIKO-KIMIA Kukuk Yudiono
AGROINTEK Vol 14, No 1 (2020)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

The main problem encountered in the production of tempeh was its raw material, namely soybeans dominated by soybean supplied from other countries, mainly dominated by imported products from the United States. The majority of tempeh craftsmen's perception is that imported soybeans are superior to local soybeans. This is of course unfortunate because it will further aggravate the competitiveness of local soybeans. This research was conducted to explore the advantages of local soybeans, especially from the physico-chemical aspects of imported soybeans. The research objective was to map the physico-chemical properties of local and imported soybeans as raw material for tempeh. One factor trial design was used, with soybean varieties (4 local and 1 imported) as a factor. Variables observed included: antioxidant, bulk density, swelling power, plant quality, seed size, WAI, WSI, protein, yield, and density. The results obtained: 1) antioxidant : Devon 1 imported soybeans, 2) bulk density: fourth of local soybeans = imported soybeans, 3) swelling power : Argomulyo = imported soybeans, 4) quality of cooking: fourth of local soybeans imported soybeans, 5) seed size : Grobogan and Argomulyo imports, 6) WAI: Argomulyo and Demas imported soybeans, 7) WSI: Devon = imported soybeans, 8) protein: Grobogan and Detam imported soybeans, 9) density: Bromo imported soybeans, 10) extraction value: Anjasmoro, Argomulyo, and Grobogan imported soybeans.

Analisis Kualitas Jamur Krispy Berbasis Kepuasan Konsumen (Studi Kasus: IKM Berkah Cinta Trenggalek) Ulfa Nur Aida; Yuli Wibowo; Bambang Herry Purnomo
AGROINTEK Vol 13, No 2 (2019)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Small-Medium Enterprise (SME) Berkah Cinta Trenggalek (BCT) is a that produces snacks in the form of crispy mushrooms with the brand name of the “Jamur Mantan”, with the main sales in the Kediri regency. Was established in 2017, so this SME can classified as a new home industries and have faced some business competitors with similar snacks produced. Therefore, it is important to created customer satisfaction by improved quality of product. The purposed of this study is to know the level consumer satisfaction crispy mushrooms, the indicators of each product quality attribute that are considered important by consumers for the quality improvement processed, the results of the analysis of technical specifications that have high relevancy in the effort to formulate recommendation for improving the quality of the crispy mushrooms, formulate recommendation that can be used for the processed of improving the quality of the crispy mushroom SME BCT. The data analysis method used to measured the level customer satisfaction is the Customer Satisfaction Indes (CSI), Importance Performance Analysis (IPA) to determined the performance level of each atribute, and Matrix Diagram to find out the relationship between technical speafications of making crispy mushrooms and low performance quality indicators. The results of this study was indicated that level of customer satisfaction with crispy mushrooms from the CSI method as 79,73%. The analysis used IPA obtained 5 quality atribute indicators that performed low with hight customer expectation. So, this 5 indicators needed further analysis used the Matrix Diagram, the results obtained showed 3 that the formulate recomendations that can be used for the quality improvement. There are improving design product by re-design products, lre-design for the right compositions to produced flavor that tasty and consistent, and regulates the use of cooking oil.

ANALISIS ORGANOLEPTIK EDIBLE STRAW DARI BUAH NANAS (ANANAS COMOSUS L.) SUBGRADE VARIETAS QUEEN Devi Urianty Miftahul Rohmah; Wendianing Putri Luketsi; Sri Windarwati
AGROINTEK Vol 14, No 1 (2020)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

This study aimed to determine the formulation of carrageenan and sorbitol concentration to the organoleptic value of edible straw from subgrade pineapple Queen variety which was most preferred by panellists. This study uses a Completely Randomized Design (CRD) method of 2 factors. The first factor is carrageenan (K) concentration which consists of 2 levels, namely 2% (b / b) and 4% (b / b) to 400 grams of pineapple puree. The second factor is sorbitol (S) concentration which consists of 2 levels namely 8% (v / b) and 10% (v / b) to 400 grams of pineapple puree. Organoleptic analysis carried out using a hedonic test which included colour, aroma, taste, texture, ease of sucking, and overall.

PENGARUH KONSENTRASI STPP DAN LAMA PERENDAMAN TERHADAP KARAKTERISTIK PATI KIMPUL TERMODIFIKASI IKATAN SILANG Krisna Kharisma Suga; Nur Aini; Retno Setyawati
AGROINTEK Vol 14, No 2 (2020)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v14i2.6262

Kimpul is one type of tubers that is high in carbohydrate content so it canbe used as a source of starch. Natural starch generally still has severaldisadvantages. One of method that can be done to overcome theseweaknesses is by modifying cross-linked starch. The objectives of thisstudy are: 1) to know the effect of STPP concentration on chemical andphysical characteristics of modified kimpul starch; 2) to know the effect ofsoaking time on chemical and physical characteristics of modified kimpulstarch; 3) to determine the best combination treatment between STPPconcentration and soaking time on the chemical and physicalcharacteristics of modified kimpul starches. This is an experimentalresearch with Randomized Block Design. The factors studied were theconcentration of sodium trypolyphosphate (1, 2 and 3%) and soaking time(60 and 90 minutes). The variables tested were moisture content, starchcontent, amylose content and calcium oxalate content, brightness, swellingpower, sollubility and its amylographic properties. The results showedthat both STPP concentration factors and soaking time affected themodified chemical and physical characteristics of kimpul starchcrosslinking methods. The chemical and physical characteristics of crossbonded modified kimpul starch increased with STPP concentration andsoaking time used. Modified kimpul starch using 3% STPP concentrationand 90 minutes soaking time had moisture content, starch content, amylosecontent, calcium oxalate content, brightness and high swelling power. Thebest modified kimpul starch is modified kimpul starch using 2% STPPconcentration and 60 minutes soaking time. It has a water content of7,88%, starch content of 63,13%, amylose content of 17,28%, oxalatecontent of 15,84 ppm, swelling power 15,79 g/g, sollubility 11,55%,brightness of 44.13, initial gelatinization temperature of 78,75oC, peakviscosity of 5152.5 cP, hot paste viscosity of 2310,4 cP, breakdownviscosity of 2815 cP, setback viscosity of 1563 cP and cold paste viscosityof 3873,5 cP

PENGARUH RASIO PELARUT DAN WAKTU PENGENDAPAN PADA ISOLASI INULIN UBI JALAR (Ipomoea batatas) Bara Yudhistira; Siswanti Siswanti; Dea Anindita W
AGROINTEK Vol 14, No 2 (2020)
Publisher : Agroindustrial Technology, University of Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrointek.v14i2.6232

Inulin is one of many functional food components that becomes a trend nowadays. Inulin can be found in the stems and roots/tubers of plants. Yellow sweet potato (Ipomea batatas L.) is a widespread species of sweet potato with abundant availabilty in Indonesia, where it is exploited only as a source of carbohydrate. From the previous study, it was stated that sweet potato can be used as an alternative resource of inulin besides dahlia and Dioscorea spp. tubers. This study aimed at extracting and isolating inulin from aqueous extract of yellow sweet potato with 3 different ratio (1:1, 1:2, 1:3) and 3 different time (6, 12, 18 hours) to determine its effect on the yield of inulin. After preparation of extracts, crude inulin was precipitated in 96% ethanol. The free reducing sugar from sweet potato flour was tested using Dinitrosalisylic Acid Method (DNS). After precipitation, inulin powder was obtained by an overnight drying process using oven at 60ºC and characterized by color, solubility, water absorption, moisture content and ash content. Its inulin structure was analyzed and confirmed by Fourier Transformed Infrared (FT-IR) spectroscopy. The results showed that different ethanol ratio and precipitating time has effect on the yield of inulin. The highest yield of inulin were 8.80% obtained from solvent ratio 1:3 with 18 hours of precipitating time. It can be concluded that yield of inulin were affected by solvent ratio, precipitating time and degree of polymerization (DP). Higher solvent ratio and precipitating time could obtain higher yield of inulin.

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