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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.
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 5, No 1 (2004)" : 6 Documents clear
HYDROLIZE CANE WASTE To GLUCOSE by Trichoderma viride (Study on Cane Waste Concentration and Fermentation Time) Saparianti, Ella; Dewanti, T.; Dhoni, S. K.
Jurnal Teknologi Pertanian Vol 5, No 1 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Trichoderma viride is the one of selulolitic microorganisms that can produce glucose  from selulose rich material such as cane waste.  This research was conducted to study the effect of cane waste concentration and  fermentation time on glucose yield of the liquid.  Completely Randomized Block Design (CRBD) was employed on this research with two factors.  Factor I is cane waste concentration (2, 5, 8%) and factor two is fermentation time (5, 10 15 days). The result showed that cane waste concentration significantly (α=0,01) affected  glucose yield, selulolitic activity, viscosity, and total dissolved  solid.   Fermentation time siginificantly (α=0,01)  affected glucose yield, total molds, selulolitic activity, viscosity, and total dissolved  solid. The high glucose yield (13,442%)  was reached at  cane waste concentration of 8% and  fermentation time of 15 days.   This treatment caused selulose of 18,829% was hydrolyzed with selulolitic activity of  74,678 NCU, total molds of 65,33 x 105, viscosity of 9,387 x 10-3 centipoise , and total dissolved  solid of 6,47 (brix).   Key words : cane waste, glucose, selulolitic activity, Trichoderma viride
Pencegahan Pencoklatan Umbi Ubi jalar Untuk Pembuatan Tepung: Pengaruh Kombinasi Konsentrasi Asam Askrobat dan Sodium Acid Pyrophosphate Kumalaningsih, Sri; Harijono, Harijono; Amir, Y. F.
Jurnal Teknologi Pertanian Vol 5, No 1 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The research was conducted to find out the best combination of  ascorbic acid and SAPP concentration to prevent browning reaction to improve the appearance of sweet potato flour. A Completely Randomized Block Design with two factors was carried out. Ascorbic acid concentration of 1.00;2.00; and 3.00% as the first factor and SAPP (sodium acid poly phosphate) concentration ( 0.001; 0.01; and 0.1%) as the second factor. Both were dissolved in boiling water containing 0.6g/L citric acid. The best result of the combination was used for making sweet potato flour. The results showed that increased concentration of either ascorbic acid or SAPP reduced the browning reaction. But there was no interaction between treatment. The highest effectivity index (5.39) was showed by the addition of 2.00% ascorbic acid and 0.1% SAPP which reduced the rate of browning reaction with an R2 = 0.7997. Conversely, untreated sliced root showed a faster browning reaction with the R2 = 0.8621 after delaying the sliced tuber for 12 hours. There was a significant difference in flour lightness. The treated   root   has    L =   79,67     and untreated root has L = 77,46.   Keyword: sweet potato flour, browning reaction, ascorbic acid, Budidaya tani
Modifikasi Pengolahan Minyak Kelapa Untuk Meningkatkan Kualitas Ampas Minyak Kelapa. Kajian Dari Konsentrasi Na-metabisulfit dan pemarutan. Sukamto, Sukamto; Harmanto, Harmanto
Jurnal Teknologi Pertanian Vol 5, No 1 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The waste of coconut oil by dry processing have not be used, because that was not higienes. The objective of this research is to study  effect of  Na-metabisulfit  concentration and sliecing waste quality.  The method used in the research  was Randimized Completed Block Design consisting   Na-metabisulfit  concentration rate (0, 750 and 1500 ppm) and sliecing (be slieced and was not slieced).  The quality parameters evaluated in waste of cocnut  were water conten,  protein, free fatid acid, silfit residue, and organoleptic aspects including  smell  and colour.     The statisical analiysis result indicated that sliecing  were significant on water content, free fatid acid, and smell.  Na-metabisulfit  concentrations  were  significant on the protein, colour and smell. Key word : oil, coconut, Na-metabisulfit
Perbaikan Tata letak Departemen Penataan Individual Quick Freezing dengan Menggunakan Studi Waktu. Studi Kasus di PT. Inti Luhur Fuja Abadi Pasuruan Aseanto, Budi Tri; Maryani, E.F. Sri; Hidayat, Nur
Jurnal Teknologi Pertanian Vol 5, No 1 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

Fish industry is one of the most strategic industry in Indonesia, this fact supported by the geographic location that caused plentiful materials available for this industry. Freezing is the well know way to keep the fresh quality of the materials, specifically for food materials. One kind of frozen product in fish industry is WGGS (Whole Gilled Gutted and Scaled) croacker frozen fish, were croacker fish that had been gilled, gutted and scaled during the production process. The problem find in the production of WGGS croacker frozen fish in Inti Luhur Fuja Abadi factory is the unbalanced flow of materials between the washing department with the capacity of the IQF (Individual Quick Freezing) pan ordering department. From the early measure to the cycle time at IQF pan ordering department, identified that too long transportation activity did by the workers caused longer cycle time. Longer cycle time caused longer standard time, and longer time standard effect to lower capacity of the department. To minimized the cycle time at IQF pan ordering department, also to reducing the transportation line, time study is one alternative to identified which move or work method’s elements use longer time compared with others. After the unefficient move or work method’s elements found, redesign plannig for the department’s layout held by using load distance’s score table. Key words: IQF pan ordering department, cycle time, standard time, redesign, load distance’s score table.
Correlation Of Emulsifying Properties And Microcapsule Oxidative Stability In Microencapsulation By Spray Drying Method Estiasih, Teti; Ahmadi, Kgs.
Jurnal Teknologi Pertanian Vol 5, No 1 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

This research was conducted to elucidate the correlation of protein emulsifying properties and microcapsule oxidative stability.  These properties were analyzed in sodiuym caseinate stabilized triglycerieds enriched with w-3 fatty acids emulsions.  Phospholipids was added to enhance these emulsifying properties. The results showed that emulsion stability index (ESI), refered to emulsion stability prior to drying, was correlated significantly with microcapsule oxidative stability.  Other properties did not significantly correlated because of phospholipids addition that cahnged the emulsifying properties and film forming properties of microcapsule concomitantly. Keywords: protein emulsifying properties, microencapsulation, oxidative stability
Penentuan Kurva Retensi Air Dengan Menggunakan Fractal Padatan Pori (Pore Solid Fractal pada Alfisol tanpa olah tanah Wirosoedarmo, Ruslan
Jurnal Teknologi Pertanian Vol 5, No 1 (2004)
Publisher : Fakultas Teknologi Pertanian Universitas Brawijaya

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Abstract

The water retention in the soil is determined by distribution of soil particle measurement.  The growth of the plants are influenced by the soil characters such as the structure, strength of the soil it self, the soil resitance to water The retention of the water can be estimated exactly by using the distribution data of particle measurement. So far, the determination of the water retention curve used is by using pressure plate, which is set in any pF, so it needs longer time. Model of the water retention characteristic is based on fractal model of soil structure. Up to now, soil structure is difficult to be quantitative or on the other hand, it is stated in qualitative, but by using fractal theory of soil structure, it can be quantitative. Fractal approach to set the water retention characteristic is based on water structure named Pore Solid Fractal (PSF). The model shows water retention characteristic related on water structure parameter, which means not only use the distribution of soil solid measurement related with model scaling.Calculating results by using data of measurement class and cumulative mass are D fractal dimension value 2.555 ± 0.404. D value is defined as fractal mass dimension because it is based on the soil cumulative mass. D value attained in this model cannot be obtained model estimation explicitly can be drawn. Based on the estimation of D value, if it is used for water retention curve will be obtained that in D value = 2.71 there is compatibility between analysis result and the calculation in modeling. The limitation of  D value needs to be done in order to get exact value (appropriate with the original condition).  Keyword: water retention, pore solid fractal, alfisol, and  soil structure

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