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Jurnal Agroindustri
Published by Universitas Bengkulu
ISSN : 20885369     EISSN : 26139952     DOI : -
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Electrical & Electronics Engineering Energy Industrial & Manufacturing Engineering
Jurnal Agroindustri is a journal (scientific publication) made available by the Department of Agricultural Technology, Faculty of Agricultural, University of Bengkulu. It is jointly published with the Publication Board of Agriculture Faculty (BPFP) and Indonesian Association of Agro-industrial Technologist (APTA). It is dedicated for students, lecturers, and researches to scientifically publish their ideas, results of research, review of literatures of agricultural industry (agroindustry). It is published twice a year; due on May and November; in the form of hardcopy (printed) and softcopy (file on the OJS web).
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Articles 6 Documents
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Search results for , issue "Vol 7, No 2 (2017)" : 6 Documents clear
CORRELATION BETWEEN ADDED ROSSELA (HIBISCUS SABDARIFFA L) TO PHYSICAL AND CHEMICAL PROPERTIES OF KALAMANSI FRUIT ORANGE POWDER AS A DRINK Kurnia Herlina Dewi; Zulman Efendi; Ida Apri Yanti
Jurnal Agroindustri Vol 7, No 2 (2017)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.7.2.63-71

Abstract

The product development effort based on kalamansi aims to extend the shelf life, make the product more durable and increase the added value and fulfill the consumer demand for the practicality in the use. The purpose of this study was Determine the effect of rossela addition to physical and chemical characteristics, determine the effect of rossela addition to organoleptic characteristics. The research design used in this study was Completely Randomized Design (RAL) with treatment of percentage of dry rosella powder: 0%, 2.5%, and 5%, in which each treatment was repeated three repetitions so that nine treatment units were obtained. Parameters observed in water content, solubility rate, pH and organoleptic (flavor, aroma, color). The results showed that the greater percentage of rosella addition, water content, solubility rate and vitamin C were higher, following the equation y = 0,188x + 3,7733 for water content, Y = 6,4x + 37,767 for soluble time . Each addition of rosella occurs a decrease in pH following the equation Y = -0.086x + 4.215. While vitamin C levels follow the equation Y = 5,514x + 16,818. The panelist's preference for the product is good; evidenced by the three tests (aroma, flavor and color) have the highest level of addition of 5% rosella addition. The higher the rosella addition rate ratio the panelist prefers. The panelist's favorite level is at an average of 3 which is quite like.
USE OF SAND AS A COMPONENT OF MULTI SOIL LAYERING (MSL) SYSTEM TO MINIMIZE LIQUID WASTE CONTAMINANT OF CRUDE PALM OIL (CPO) Citra Pratiwi Sidebang; Syafnil Syafnil
Jurnal Agroindustri Vol 7, No 2 (2017)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.7.2.116-124

Abstract

Purpose of this research was to determine a capability of MSL-sand in reducing contaminants out of the liquid waste of CPO; to determine optimal rate of flow and; to determine the efficiency of MSL-sand in reducing oil-fat, BOD, COD and pH of liquid waste of CPO.  The research was done by flowing liquid waste through an MSL-sand with a rate of flow were0.3 L/hour, 0.6 L/hour, 0.9 L/hour, and 1.2 L/hour; each of treatment was repeated three times. Result of the research showed that with rate of flow of 0.3 L/hour, 0.6 L/hour, 0.9 L/hour, and 1.2 L/hour, the MSL-sand was capable of reducing oil-fat from 471.6 mg/L to 21.30 mg/L, 33.40 mg/L, 43.47 mg/L, and 55.30 mg/L respectively;BOD from 412 mg/Lto 6.73 mg/L,19.27 mg/L,33.10 mg/L, and46.93 mg/L respectively;COD from 1237 mg/L to  31.33 mg/L, 61.67 mg/L, 98.33 mg/L, and135.00 mg/L respectively;and pH from 9.00to 6.72,6.88,7.21 and7.36 respectively.  The optimal rate of flow to reduce liquid waste contaminant was 0.3 L/jam (class III) and 0.4 L/jam (class IV). Efficiency of the MSL-sand with the rate of flow of 0.3 L/jam,0.6 L/jam,0.9 L/jam, dan 1.2 L/jam in reducing oil-fat was 95.48 %, 92.92 %, 90.78 %, and88.27 % out of 471.6 mg/L; COD was  97.47 %, 95.01 %,92.05 %, and89.06 % out of 1237 mg/L; and BOD was98.37 %, 95.32 %, 91.97 %, and88.61 %out of 412 mg/L. Reduce of contaminant out of the liquid waste of CPO proved that MSL-sand was capable of reducing oil-fat, COD and BOD and also neutralize the pH.
STUDY ON ASCORBIC ACID FOR FORTIFICATIONOF RICE CASSAVA Harun Al-Rasyid; Subeki Subeki; Wisnu Satyajaya; Agus Saptomi
Jurnal Agroindustri Vol 7, No 2 (2017)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.7.2.72-83

Abstract

Siger rice is an analog rice made from agricultural materials containing carbohydrates such as cassava. The purpose of this research was to know the effect of addition of ascorbic acid and steam duration to the quality of siger rice from cassava. The factorial experiment arranged in a Complete Randomized Block Design (CBRD) with two factors and three replications.. The first factor was the addition of ascorbic acid is 0% (A1), 0.1% (A2), 0.15% (A3), 0.2% (A4), 0.25% (A5), and 0.3% A6). The second factor was steam duration of 25 minutes (L1), 30 minutes (L2), and 35 minutes (L3). The data were analyzed using analysis of variance (ANNOVA) and continued with Least Significance Different (LSD) test. The results showed that the addition of ascorbic acid 0.2% with steaming for 35 minutes resulted in the best quality of siger rice with white color tending, somewhat similar to rice, rather soft, water content of 10.62%, 0.88% ash, protein 3,82%, fat 2.42%, crude fiber 1.13%, carbohydrates 81.12%, and vitamin C 0.61 mg/g.
PROFIT MAXIMIZING BUNDA BAKERY USING SIMPLEX METHOD Budiyanto Budiyanto; Sigit Mujiharjo; Siti Umroh
Jurnal Agroindustri Vol 7, No 2 (2017)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.7.2.84-98

Abstract

Bunda Bakery is currently produce 19 various bread products weekly with using certain amout of various materials, and utilizing machine and labours.  However,  the optimal product and potencial profit of the bread production had not been determined. The Objective of the studywere  toevaluate and optimize the bread production and its potencial profit.   Simplex method,one of the techniques used in linear programming,was utilized  to find the optimal valuethat involves many variables in the study. Previous record of each kind bread products were  used to optimize  various bread had to be produced and the potential profit to be gained    Machine and labor utilization were further employed to use up the weekly raw material  for optimizing the total bread product can be produced and the potential profits to be gained.  The results indicate that before optimization, available raw matrials can beused to produce 676 unit products  with potencial profit of 1,663,914 IDR in one week production.Optimization of raw materials could produce 697 unit products with potencial profit of 1,943,489 IDR in the same period of production.  In addition, further optimization of production resources (material,  labor and machine utilization) to used up the whole weekly materials, with additional selected materials, Bunda bakery could produce 1050 unit products with potencial profit of 2,286,049 IDR in one week production.
STUDY ON PHYSICAL PROPERTIES OF STERILIZED FRESH FRUIT BUNCH (FFB) AT PT BIO NUSANTARA TEKNOLOGI BENGKULU Pandu Imam Subidbyo Adib; Santosa Santosa; B. Isril; K. Anwar
Jurnal Agroindustri Vol 7, No 2 (2017)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.7.2.99-110

Abstract

The objective so this research were: (1) to describe the profile of physical properties of sterilized FFB,(2) to find the model describing the performance so sterilization, and (3) to determine the right sterilization duration in respect to FFB ripening levels. This experiment was conducted in PT Bio Nusantara Teknologi Bengkulu by employing a horizontal type of sterilizer; done by following a completely randomized block design with the duration so sterilization as the blocks. Multiple-linear regression analysis was applied to describe the effect of the free variables on the physical property of FFB representing indicators efficacy of conducted sterilization operation. a result of the research indicated that size of weight, level of fruit maturity and duration of sterilization had effects on physical properties of sterilized FFB.  Model  of  prediction  describing   the  effect  were  as  follows: Y(Evaporation)=5,18-0,042X1-0,012X2+0,082X3; Y(Fruit lose,g)=1629,96+8,14X1-3,22X2-10,22X3 ; Y(Amount of kernel damaged) =-1,515-0,06X1+0,035X2 +0,115X3. The proper Sterilization time for a small, unripe FFB was 95 minutes with score 3; for a small, ripe FFB was 95 minutes with score 3; for a small, overripe FFB was 85 minutes with score 3.The appropriate sterilization duration for a big, unripe FFB was 105 minutes with score 3; for a big, ripe FFB was 105 minutes with score 3 and for big overripe FFB was 85 minutes with score 3.
PHYSICOCHEMICAL PROPERTIES OF TEA (Camellia sinensis) SEED OIL AND ITS APPLICATIONS Sahrial Sahrial; Emanauli Emanauli; Meri Arisandi
Jurnal Agroindustri Vol 7, No 2 (2017)
Publisher : BPFP Faperta UNIB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agroindustri.7.2.111-115

Abstract

Tea (Camellia sinensis) is widely grown for its leave sand is commercialized as black tea. Product diversification and value addition are currently are of great interest. This study provides data on the physicochemical properties of tea seed oil from Kayu Aro, Jambi Province. Extraction using-hexane was employed to obtain tea seed oil followed by physical-chemical analysis to assess its properties. Physicochemical properties, namely oil yield, density, refractive index, viscosity, turbidity, color, and melting point, as well as free fatty acid, iodine value, peroxide value, and saponification were determined. The oil yield is up to 14% (dB), density is 882.5±5.5kg/m3, refractive index is 1.48±0.20, viscosity is 64.1±0.2 Pa.s, turbidity is 0.88, color 47.0 (L),34.6 (C) and 95.3 (h) as well as free fatty acid 0.39-0.92%, iodine value 29.63-30.87gI2/100g, peroxide value 0.019-0.417 meq O2/100g, and saponification 127.721-168.382. Tea seed oil is stable and can be a potential source of edible and non-edible applications, such as natural nutraceutical,  pharmaceutical, and cosmetic products

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