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Jurnal Teknologi Pertanian
Published by Universitas Brawijaya
ISSN : 14115131     EISSN : 25282794     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Computer Science & IT
Jurnal Teknologi Pertanian diterbitkan oleh Fakultas Teknologi Pertanian Universitas Brawijaya untuk penyebarluasan hasil penelitian yang dilakukan oleh para peneliti dari dalam dan luar Fakultas Teknologi Pertanian Universitas Brawijaya. Jurnal Teknologi Pertanian terbit tiga kali dalam setahun, memuat tulisan hasil penelitian yang termasuk dalam lingkup disiplin ilmu pengetahuan yang terkait dengan Ilmu-ilmu Teknologi Pertanian guna menunjang pengembangan ilmu pengetahuan dan teknologi serta pembangunan nasional.
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Articles 578 Documents
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Karakterisasi Fisik, Kimia dan Fraksi Protein 7S dan 11S Sepuluh Varietas Kedelai Produksi Indonesia Yuwono, Sudarminto Setyo; Hayati, Kartika Ken; Wulan, Siti Narsito
Jurnal Teknologi Pertanian Vol 4, No 2 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Efforts to develop new varieties of soybeans had been carried out to produce a better quality of yield. Variety of soybeans would affect on properties of products. Besides the chemical compositition, properties of the product may be caused by content of protein globulin fraction such as 7S and 11S. Results showed that some soybean varieties have a higher chemical properties such as protein content compared to imported soybean from USA. Fat, protein, ash and carbohydrate content were 18,539-22,57%; 30,32-35,35%; 5,53-5,96%; 36,83-43,93% respectively, whereas imported soybean contained 22,97%, 31,06%, 5,62%, 40,35% respectively. Globulin 7S and 11S of the samples ranged from 4, 48-14, 05%, and 7,32 - 56,82% respectively. Imported soybean contained  globulin 7S  10,44% dan 11S 53,45%. Variey of Lompobatang and Davros contained globulin 11S higher than that imported soybean.   Keywords : soybean, fractionation, globulin protein
Perencanaan Unit Pengolahan Limbah Cair Tapioka dengan Sistem Up-Flow Anaerbiv Sludge Blanket (UASB) Untuk Industri Skala Menengah Mukminin, Amirul; Wignyanto, Wignyanto; Hidayat, Nur
Jurnal Teknologi Pertanian Vol 4, No 2 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The objectives of this study were to discover the optimum pH treatment combination for the inflow and the optimum holding period for treatment of liquid tapioca waste quality through using anaerobic  up-flow anaerobic sludge blanket (UASB) system. This research employed a completely randomized block design with two factors, namely optimum pH levels 5.73 (control) and pH 7 + 1, and the time factor which was divided into 6 periods 2,4,6,8,10, and 12 hours respectively. The data was analyzed through a variance analysis, if there was a discrepancy/an anomaly, then further DMRT tests were initiated, the treatment that produced effluent being within waste quality standards, i.e. with COD of ≤ 300 mg/l, a TSS ≤ of 100 mg/l, a DO of ≤ 6 mg /l and a pH factor of between 6 and 9, it was considered to be the best treatment. However, should there have been more than the treatment with the above results, and then the final choice was based on that treatment which had the lowest UASB start up costs. The results of the tests indicated that pH inflow levels have a most significant effect on COD, DO, and pH effluent levels, but has little effect on TSS. Furthermore, holding periods also have an enormous influence one effluent COD, DO, TSS and pH levels. In addition, the interaction of pH and holding times also have a major effect on effluent TSS levels and a really significant effect  on COD, DO and pH. It was found that the DO concentrations from all treatments were less than 6 mg/l. And the treatment that gave a waste discharge into the environment within regulatory standards for COD,  TSS, and pH, was the one with a pH input level of 4.73 (control), a holding period of 12 hours and a COD of 283 mg/l, this produced an effluent of 57 mg/l TSS and pH of 7.20. The best treatment was that with a waste inflow of 4.73 pH and holding period of 12 hours, this one also had the lowest start-up costs Rp. 37,875,000 and operational costs Rp. 25,050 per day. The optimum size reactor for small scale industry had a diameter of 3 mm and a height of 5.73 m, and for medium a sized plant, it was of 4 m diameter and 8.88 m in height. For big production plants, the best size was a 10 m, and 18.43 m in height.   Keyword: tapioca wastewater, anaerobic up-flow anaerobic sludge blanket (UASB)
Produksi  Karoten pada Limbah Padat Tempe: Kajian Jenis Kapang dan Konsentrasi Ekstrak Kecambah Kedelai Larasati, Niken; Wignyanto, Wignyanto; Nurika, Irnia; Hidayat, Nur
Jurnal Teknologi Pertanian Vol 4, No 2 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Penelitian ini bertujuan mendapatkan kombinasi perlakuan antara jenis kapang dan konsentrasi ekstrak kecambah kedelai terhadap produksi karoten b karoten yang maksimal. Rancangan percobaan yang digunakan adalah Rancangan Acak kelompok yang terdiri dari dua factor yaitu jenis kapang (Neurospora sp dan isolat kapang Mj 403) dan konsentrasi ekstrak kecambah kedelai (20%, 30%, 40%, 50% dan 60% ), masing-masing perlakuan dengan tiga ulangan. Hasil penelitian menunjukkan bahwa jenis kapang dan konsentrasi ekstrak kecambah kedelai berpengaruh sangat nyata terhadap jumlah   b karoten maksimum sebesar 44,05 ppm pada konsentrasi ekstrak kecambah kedelai 7,69%. Isolat kapang Mj 403 menghasilkan b karoten maksimum sebesar 23,81 ppm pada konsentrasi ekstrak kecambah kedelai di dalam medium, semakin meningkat nilai pH terjadi penurunan jumlah spora kedua jenis kapang. Kata kunci: tempe, limbah padat, b karoten
Impact on Riam Kanan Irrigation to Technical Efficiency in Rice Farming System Mustaniroh, Siti Asmaul
Jurnal Teknologi Pertanian Vol 4, No 3 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

This was research conducted in four villages (irrigated and non-irrigated) was designed to identify the impact of Riam Kanan Irrigation to efficiency  in rice farming system. For each villages, sample was selected by random sampling of farmers. To analyze of efficiency, use regression model according to Cobb Douglas. Next, to get frontier production use Tobit model from software SHAZAM. Results of the research  showed that on the function of production findness value of Technical Efficiency Rating (TER) first plant session (0.9958) higher than second plant session (0.9829). It means that for usefullness  of production factors in irrigated still higher than non-irrigated. Following should be implemented,  that for growing up rice production in farmer , it must be controll about irrigate and drainage system.   Keywords : impact, efficiency, rice farming system
Determination of Frying Temperature and Vacuum Pressure to Produce Pineapple Chips Using Simple Vacuum Fryer Yuniarti, Yuniarti; W., Susinggih; Hidayat, Nur; Lastriyanto, Anang
Jurnal Teknologi Pertanian Vol 4, No 3 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Pineapple is a very cheap fruit and easily to be found throughout the year in Indonesia. Fruit processed as crispy chips is mostly prefered by the consumers. Jackfruit and pineapple crispy chips are popular processed fruit in East Java. These two kinds of fruit have high reducing sugar, so that they must be fried by vacuum frier. For this time being, simple vacuum frier have been successfully produced by some local workshops in relatively cheap price. It is a benefit for the farmers and home industry owners to increase the added value of pineapple fruits. Unfortunately, the proper technology for producing pineapple chips using this simple frier is still unknown. The aim of this research was to determine the frying oil temperature and vacuum pressure of the simple frier used to produce qualified pineapple chips which was prefered by the consumers. Research was designed in a factorial randomized block with the first factor frying temperature 1. e. 1)90 °C, 2)l 00 °C and 3)110°C, while the second factor was vacuum pressure of the fryer 1. e. 1) –500 mm Hg, 2) ‑600 mm Hg and 3) ‑700 mm Hg, replicated 3 times. Pineapple variety used was Queen, harvested at farmers orchard in Kedawung, Blitar regency, East Java at 70‑80% ripe. Each combination treatment used 3 kg of fruit flesh slices of 2 cm x 2 cm on 2 mm thickness. Total fruit flesh needed was 81 kg. Observation was done on water, reducing sugar and starch content of the chips produced. Preference test was done using hedonic scale scoring to evaluate preferences consumer to the crispiness, colour, taste and flavour of the product. Collected data was then analyzed using LSD test. Result showed that the best temperature for frying oil was 90°C, while the best vacuum pressure for frier was ‑700 mm Hg. Using this method, pineapple chips which were produced had water content 4.85%, reducing sugar content 20.52% and starch content 4.22%. Scores result for preference test were 5.7 (like) for crispiness, 6.20 (like) for colour, 5.60 (like) for taste and 6.30 (like) for flavour.   Keywords: Pineapple, simple vacuumfrier, frying temperature, vacuum pressure.
Sodium Caseinate-Phospholipids Behavior in Emulsification and Its Implication to Emulsifying Properties Estiasih, Teti
Jurnal Teknologi Pertanian Vol 4, No 3 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

This research was conducted to analyze sodium caseinate-phospholipids behaviour in emulsion  These substances were used synergistically as emulsifier in many food systems.  The implication of its behavior to  the changes of protein emulsifying properties was further studied. Sodium caseinate-phospholipids relationship was analyzed from the changes of adsorbed protein, adsorbed phospholipids, and casein-phospholipids complexation.  The results showed that the increasing phospholipids concentration in sodium caseinate stabilized emulsion made adsorbed protein decrease and adsorbed phospholipids increase.  These indicated the displacement of caseinate by phospholipids to adsorb at oil globule interface  The more hidrophilic casein-phospholipids complex was formed and desorbed  sodium caseinate from oil globule interface. The results of displacement and complexation were decreasing adsorbed protein, percentage of adsorbed protein, and emulsion stability index. Emulsifying activity index and interfacial area decreased up to phospholipds concentration of 1,0%, and then increased. Protein load increased up to the phospholipids concentration of 1,0% and further decreased.  These  were caused by the changes of sodium caseinate-phospholipids composi-tion at oil globule interface.   Keywords: protein emulsifying properties, displacement, compexation.
Penyusunan Stratigi Pengembangan Industri Penyamakan Kulit di yogyakarta Purwaningsih, Isti
Jurnal Teknologi Pertanian Vol 4, No 3 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

This research was focused on development of strategic formation for tennage manufacture in Yogyakarta. Based on Primary and secondary data, factors of strength, weakness, opportunity, and threat were determined. From these factors, strategy matrices was arranged which gave four alternative strategy. They are SO strategy (strength-opportunity), WO strategy (weakness-opportunity), ST strategy (strength-threat), and WT strategy (weakness-threat). To obtain strategy priority, assessment using AHP method (Analytical Hierarchy Process) was carried out. From assessment using AHP method showed that Production and Technology Development strategy was the first priority. The second and third priority was Increasing Quality and Quantity of Raw Material, and Human Resources Development. Market Development and Supporting industry Development were the fourth and fifth priority in tennage industries development.  Each group of strategy consists of several development alternative strategies.   Keyword: development strategic, tennage manufacture, SWOT analysis, and AHP method
Perencanaan Strategi Pengembangan Usaha Produk Jamu Suhartini, Sri; Effendi, Usman; Sukardi, Sukardi
Jurnal Teknologi Pertanian Vol 4, No 3 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Industrial jamu and traditional medicine are one of industrial that able to existing in the middle of Indonesian economic and political crisis. This is not released from some opportunities that faced such as: trend Indonesian community to using back the nature product (back to nature), abundant material, high price of chemical medicine, plenty of community chooses traditional medicine than modern and Indonesia has great population. But, their existing not released from some constrains that faced that are high competition both domestic and abroad especially from Chinese. The enlargement imitative jamu and mixed chemical material, and world medical attitude that not fully receiving the existing of industrial jamu and traditional medicine. Those constrains not minimize industrial jamu to develop its efforts, notify available big potency. In order to develop its effort then need to be made strategic planning to make industry operating effectively and efficiently to achieve the goal. SWOT analysis used to analyze strengths, weaknesses, opportunities and threats. Likert scale was using to obtain the priority or weight for each element in internal and external factors with range scale 1 – 5. SWOT analysis result revels that the best strategy at this moment  is  stabilized strategic through beware strategic, reminding the high level of competition. The   alternative strategies using  SWOT matrix  are  depending  company’s image, depending and improving product quality, improving size and variation of product with diversification product, extended market area to the new market, developing distribution line, improving promotion, developing   human resources,  improving quality control, and using high technology.   Key words: Strategic planning, Industrial jamu and traditional medicine, competitiveness.
Industrial Cluster Learning Purwaningsih, Isti
Jurnal Teknologi Pertanian Vol 4, No 3 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Globalization impact and economics crisis in Indonesia has been  changed Indonesiaeconomics structure. Many manufacture industries have been shut down, especially which issupported by imported raw material. This is certainly a very clear proof that our industrialfoundation is not rigid. Goverment has changed industrial development strategy into  industrialcluster approach to survive this crisis. There are 3 model to analyze industrial cluster, i.e. CollectiveEfficiency,  Flexible Specialization, and Porter Diamond Model.  This research was focused on studying industrial cluster, with case study on tennagemanufacture in Yogyakarta, based on Porter Diamond Model. Porter Diamond Model consist of four determinant, i.e. (1) factor conditions, (2) demand condition, (3) firm strategy, structure, andrivalry, and (4) related and supporting industry.
Studi Kualitas Fisik-Kimiawi dan Organoleptik Sosis Ikan Lele Dumbo (Clarias Gariepinus) Akibat Pengaruh Perebusan, Pengukusan dan Kombinasinya dengan Pengasapan Widjanarko, Simon Bambang; Zubaidah, Elok; Kusuma, Aan Muzaky
Jurnal Teknologi Pertanian Vol 4, No 3 (2003)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

This paper reported the quality of cat fish sausages effected by methods of cookings. The aims of the experiment is to study the effect of cooking by means of broiling, steaming and combining broiling and smoking as wells as steaming and smoking. Randomized Block Design Non Factorial had been used in this experiment, each treatments replicated 3 times. Results showed that, the best treatment on the basis of sensory test was steaming sausages at 100 0 C for 15 minutes without smoking processes. Sausages had moisture content 66,46%, protein content 60,35% b.k. (20,81% b.b.), total fat content 6,29%, Aw 0,903, flesh texture 0,017 mm/g.sec, a taste score 5,2 (moderate like), flavour score 4,75 (moderate like), colour score 4,50 (moderate like), teeth texture 4,75 (moderate like). Methods of cooking also significantly effects quality of cat fish sausages.   Keyword: cat fish, cooking methods, and cooking effect

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