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INDONESIA
Indonesian Food and Nutrition Progress
Published by Universitas Gadjah Mada
ISSN : 08546177     EISSN : 25979388     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Indonesian Food and Nutrition Progress, is a primarily online, a peer-reviewed journal in food technology and nutrition. All papers should focus on the novelty of the research carried out. It is published by Indonesian Association of Food Technologists in collaboration with Faculty of Agricultural Technology, Gadjah Mada University. This journal is published two times a year which is a continuation of the last publication in 2005. The journal is devoted to a rapid peer reviewed full-length original research paper, short communications, and critical reviews, which serves as an international forum for the exchange of information in all aspects of food technology and nutrition. Food and Nutrition Progress includes a wide range of food technology and nutrition topics such as: Physical, chemical, biotechnological, microbiological, process engineering, analytical, and nutritional aspects; Post-harvest technology; Sensory evaluation; Diet plans; Gastronomy; Food safety and hygiene; Functional foods; Novel foods.
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 13, No 1 (2014)" : 5 Documents clear
Synthesis and Characterization of Hydroxypropylcellulose from Oil Palm Empty Fruit Bunches (Elaeis guineensis Jacq) Djagal W. Marseno; Pepita Haryanti; Binardo Adiseno; Haryadi Haryadi
Indonesian Food and Nutrition Progress Vol 13, No 1 (2014)
Publisher : Indonesian Association of Food Technologists

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jifnp.112

Abstract

Indonesia has a lot of oil palm empty fruit bunches (EFB) and usually discarded as agricultural waste. The major component of this oil palm EFB is cellulose, which is useful for food industry in the form of cellulose derivatives such as hydroxypropylcellulose (HPC). This paper reported about a method to prepare HPC from oil palm EFB as cellulose source. Oil palm EFB was dried, cut and milled to obtain EFB powder passed from 60 mesh screen. Cellulose in the EFB powder was extracted using 4% NaOH at 100ºC for 3.5 h, and then bleached using 5% NaOCl at 30ºC for 3 h.  HPC was synthesized from cellulose using NaOH at 5-25% at 25ºC for 1 h, then propylene oxide (PO) at 0.6-1.4 mL per g cellulose was added to the slurry and the temperature was adjusted to 55ºC for 3 h.  HPC from EFB cellulose had more less characters than its commercial especially in purity level. Alkalization using 10% NaOH and its etherification using 1.4% (v/w) PO gave HPC with the highest molar substitution (MS), viscosity, purity and crystallinity i.e. 0.1049; 76.88 cps; 76.91% and 24.39%, respectively.
Isolation and Characterization of The Functional Properties of The Major Protein Fraction from Nyamplung (Calophyllum inophyllum) Muhammad Prima Putra; Pudji Hastuti
Indonesian Food and Nutrition Progress Vol 13, No 1 (2014)
Publisher : Indonesian Association of Food Technologists

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jifnp.114

Abstract

Defatted nyamplung (Calophyllum inophyllum) seeds as by-products of oil extraction is a rich source of protein. In order to evaluate its potential as value-added of nyamplung seeds, nyamplung proteins were isolated by solubilization-precipitation method at pH 3 and 5. The obtaining protein isolates were characterized with respect to their functional properties, including water binding capacity, oil binding capacity, foaming capacity, foaming stability, emulsifying activity, emulsifying stability, gelation capacity, and amino acid composition. The results show that nyamplung protein could be considered as high protein quality because essential amino acids leucine (4.39 %), proline (4.22 %), valine (3.34 %), aspartic acid (3.23 %) and lysine (3.34 %) were found to be the major amino acids. Polar amino acids were higher than non-polar amino acid (1.7 times). With the consequence in higher ratio of water binding capacity to oil binding capacity (2.7 times) and high value of hydrophile-lypophile balance. In general, the isolated protein from precipitation at pH 3 (IP3) was found to have better functional properties than that being precipitated at pH (IP5), and showed excellent in water binding, emulsifying, gelation and foaming properties. In conclusion, IP3 can be utilized as high quality proteins and emulsifier in oil in water emulsion system.
Growth of Lactobacillus paracasei SNP-2 in Peanut Milk and Its Survival in Fermented Peanut Milk Drink During Storage Tyas Utami; Giyarto Giyarto; Titik F. Djaafar; Endang S. Rahayu
Indonesian Food and Nutrition Progress Vol 13, No 1 (2014)
Publisher : Indonesian Association of Food Technologists

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jifnp.116

Abstract

Fermentation of peanut milk added with various sucrose concentrations using candidate probiotic strain of Lactobacillus paracasei SNP-2 was investigated, and the lactic acid bacteria survival during storage of the fermented peanut milk drinks were also studied. Peanut milk fermentations were carried out at 37°C for 18 h. It was found that peanut milk without addition of sucrose could support the growth of L. paracasei SNP-2, but not the production of lactic acid. Fermentation of peanut milk with addition of 2-10% sucrose significantly increased the production of lactic acid. The numbers of lactic acid bacteria showed no marked reduction in the fermented peanut milk drinks during storage at 4°C for 21 days, still sufficiently high to exert beneficial probiotic effects in the host. Fermented peanut milk drink using L. paracasei SNP-2 can be used as a non-dairy probiotic product.
Penicillium Species Isolated From Cocoa, Coffee Beans, and Dried Cassava in Yogyakarta Indonesia and Their Ochratoxin Production Mona Nur Moulia; Sigit Setyabudi; Baharuddin Salleh; Endang S. Rahayu
Indonesian Food and Nutrition Progress Vol 13, No 1 (2014)
Publisher : Indonesian Association of Food Technologists

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jifnp.115

Abstract

The presence of Penicillium in cocoa and coffee beans, and dried cassava are detrimental due to its ability in ochratoxin A (OTA) production which carcinogenic and mutagenic to human. Objectives of this study were to isolate and identify Penicillium from cocoa, coffee beans and dried cassava in Yogyakarta by morphological and molecular characteristics, as well as to observe the ability of these isolates in OTA production on Yeast Extract Sucrose Agar (YES) medium. In this study, morphological characteristics were mainly based on the growth of isolates on identification media, while molecular characteristics were based on the similarity of PCR products using ITS4 and ITS5 as primers. OTA was detected by ELISA and UPLC methods. The result showed that 15 of 16 representative isolates obtained during this study were identified as Penicillium citrinum, one of the representative isolate from cocoa beans was identified as Penicillium paneum. Surprisingly, 13 among 15 of the obtained P. citrinum isolates from cocoa and coffee beans were positive in the production of OTA in YES medium, at the concentration of 4.64 to 25.26 µg/g media, while OTA was not detected in YES grown media by P. paneum and two isolates of P. citrinum from dried cassava. Conclusion of this study, the most found species Penicillium in cocoa and coffee beans were belong to P. citrinum which likely have a capability in the production of OTA.
Synthesis of Fatty Acid Methyl Esters from Jatropha curcas Oil and Its Purification Using Solvent Fractionation Avita Kusuma Wardhani; Chusnul Hidayat
Indonesian Food and Nutrition Progress Vol 13, No 1 (2014)
Publisher : Indonesian Association of Food Technologists

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jifnp.113

Abstract

Fatty acid methyl esters (FAME) are produced by transesterification. The problem in the product of transesterification is the presence of impurities such as mono-, di-, triglycerides, and free fatty acids. So that, the purification using solvent fractionation is needed to separate them from FAME. The objective of this research were to determine the effects of crude fatty acid methyl esters-to-acetone (CFAME/acetone) ratio on yield, purity, purification factor, and recovery of FAME after fractionation and to evaluate the impurities which were separated in each step of fractionation. FAME were produced from Jatropha curcas oil using Berchmans’s and Tiwari’s methods. The impurities were separated by solvent fractionation using acetone. CFAME/acetone ratios were 1, 2, 3, 4, and 5. Fractionation was done stepwise namely 21°C, 16°C, 12°C, and 5°C. The results showed that the conversion of FAME using Tiwari’s method was 1.7-fold higher than Berchmans’s method. Purification of FAME using solvent fractionation resulted that the best CFAME/acetone ratio was 1. Yield decreased 1.6-fold at CFAME/acetone ratio 4. Purity decreased 8.74% with an increase in CFAME/acetone ratio 1 to 5. Purification factor decreased 2-fold at CFAME/acetone 1 to 3. Recovery decreased 1.3-fold at CFAME/acetone ratio 1 to 4. The impurities which were separated from FAME were mono-, di-, triglycerides, and free fatty acids and the major component of impurities was triglycerides (>59%). The results indicated that solvent fractionation could be used as an alternative method for purifying FAME and further study to optimize this method was needed.

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