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INDONESIA
Biopropal Industri
Published by Kementerian Perindustrian Republik Indonesia
ISSN : -     EISSN : -     DOI : -
Core Subject : Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue " Vol 5, No 1 (2014)" : 5 Documents clear
Ultrafiltration Lactic Acid Bacteria (LAB) in mung Beans Broth by Mixed LAB Culture Aspiyanto, Aspiyanto; Susilowati, Agustine
Biopropal Industri Vol 5, No 1 (2014)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

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Abstract

Increasing Lactic Acid Bacteria (LAB) concentration in fermented broth of mung beans by mixed culture of Lactobacillus sp. and Streptococcus thermophillus through ultrafiltration (UF) (20,000 MWCO) at flow rate of ~8.87 L/min, room temperature and pressure 5 and 7 bars for 0, 30, 60, 90 and 120 minutes was performed. The results showed that pressure and time affected on UF performance, total solids, total protein and total number of LAB. Optimal time at pressure 5 bar was reached 60 minutes with flux 11.94 L/m2.hour, total solids 13.9423%, total protein 8.95%, total LAB 6.18 log CFU/mL, Robs of total solids 3.45%, total protein  58.67%, LAB 100% and DC 1.38 folds. The best time at 7 bar was reached 30 minutes with flux 16.16 L/m2.hour, total solids 12.2879%, total protein 4.41%, total LAB 6.04 Log CFU/mL, Robs of total solids 11.98%, total protein 45.76%, LAB 99.5 and DC 1.16 folds.
The Effect of Starter Concentration and Fermentation Period of Cocoa Pulp on Ethanol Production Yumas, Medan; Rosniati, Rosniati
Biopropal Industri Vol 5, No 1 (2014)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

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Abstract

The study of starter concentration effect and fermentation period of cocoa pulp on ethanol production has been carried out in order to determine the concentration of Saccharomyces cereviceae as a starter and optimum fermentation period to produce bioethanol from cocoa pulp. Variables in this research were S. cereviceae consentration of 6, 7, 8 and 9%; and fermentation periods 3, 5 and 7 days. The results showed that 5 days of fermentation period and the addition of S. cereviseae with a concentration of 9% obtained the highest ethanol content as much as 5.93% by the end of fermentation acidity of 6.0.
Fermentative Extraction of Coconut Oil to Maintain A Quality of Medium Chain Fatty Acid Salahudin, Farid; Supriyatna, Nana
Biopropal Industri Vol 5, No 1 (2014)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

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Abstract

Coconut oil is healthy vegetable oil because it contains Medium Chain Fatty Acid (MCFA). The used of bleaching agent and excessive heating in coconut oil process will produce low quality oil (rancid). Therefore, it is necessary to processing that does not use chemicals and excessive heating such as fermentation using microbe and enzyme. The aim of this study was to find out the effect of bromelin enzyme concentration and Saccharomyces cereviceae fermentation to MCFA content in coconut oil. This research was done by adding the enzyme bromelain at 0, 50, 100, 200 and 400 ppm and S. cereviceae inoculated in coconut milk. The resulting oil is then tested the water content, acid number and fatty acid content. The result showed that fermentation with 200 ppm bromeline enzyme and S. cereviceae inoculation can produce the best quality coconut oil containing MCFA that meet the APCC standard.
The Effect of Gradually Stirring On Halophilic Bacteria Growth with Artemia salina Nutrition for Salt Production Nilawati, Nilawati; Muryati, Muryati; Marihati, Marihati
Biopropal Industri Vol 5, No 1 (2014)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

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Abstract

Halophilic bacteria are microorganisms whose habitat is at high salt content. Halophilic bacteria in the presence of salt crystallization can increase the purity of NaCl. Nutrients that contain carbon and oxygen must be available for the survival of bacteria, where Artemia salina contains 52% protein and 15.49% carbohydrate. The purpose of this study was to determine the development of the growth of halophilic bacteria using nutrient Artemia salina for salt production. Three variables were used in this reserach: the first variables includes aeration and stirrer, the second variable was stirring time (½, 1, 2, 3, 4, 5 and 6 hours) and the third variable was mixing period, there were consisted of 1st, 2nd, 3rd, 4th, 5th, 6th and 7th day. The best treatment for transmitance and microbial analysis were 6 hours and seven days of aeration, each point was 33% transmitance and 2,25 x 103 colony forming unit per mililiter for microbilogy analysis.
Zinc Adsorption Kinetics Using Pseudomonas as Biomass Hidayat, Hidayati; Suyono, Yoyon
Biopropal Industri Vol 5, No 1 (2014)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

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Abstract

Zinc adsorption kinetics using Pseudomonas aeruginosa and Pseudomonas sp. was conducted to determine the ability of biomass to adsorb Zinc, and also to get the biosorption equilibrium and kinetics. Adsorption process conducted in this study was using batch method with variables on the amount of biomass (0.01 g, 0.02 g, 0.03 g, 0.04 g and 0.05 g), adsorption time (30, 60 and 120 min) and pH (4 and 6). Zinc metal biosorption kinetics following the pseudo-second-order equation. The highest correlation coefficient obtained on the condition of 0.04 g biomass for both pH 4 and pH 6 was 0.999. The best Zinc metal adsorption equilibrium models obtained at pH 4 with contact time at 60 minutes. This heavy metal adsorption equilibrium models comply the Freundlich isothermal with a correlation coefficient (R2) of 0.973.

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