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INDONESIA
Jurnal Teknologi Dan Industri Pangan
Published by Institut Pertanian Bogor
ISSN : 19797788     EISSN : 2087751X     DOI : 10.6066
Core Subject : Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering
Arjuna Subject : -
Articles 635 Documents
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PENGERINGAN KEMOREAKSI DENGAN KAPUR API (CaO) UNTUK MENCEGAH KEHILANGAN MINYAK ATSIRI PADA JAHE (Chemoreaction Drying Using Quicklime (CaO) to Prevent Loss of Essential Oil in Ginger) Elisa Julianti; Ridwansyah .; Mimi Nurminah
Jurnal Teknologi dan Industri Pangan Vol. 21 No. 1 (2010): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

Ginger (Zingiber officinalis Rosc) has been widely used in various pharmaceuticals, cosmetics, foods and beverages. Harvesting time, handling and drying methods are important factors in producing  best quality of dried ginger.  The objectives of this study were to examine : 1) the optimum harvesting time, 2) chemoreaction drying capacity using quicklime in ginger drying, 3) the effect of sliced ginger thickness on drying time and essential oil content of ginger and 4) the effect of blanching pretreatment on the  quality of  dried ginger. There were three kinds of ginger used in this study i.e. red, big white and small white ginger.The results showed that the optimum harvesting time for the red and small white ginger was 10 months while that for the big white ginger was 9 months.The optimum thickness for sliced ginger drying was 2,5 mm.  The efficient weight ratio of quicklime to ginger for drying was 3 : 1 and the final moisture content were 7,34% wb, 5,53% wb and 6,57% wb for red, big white and small white ginger respectively. The moisture content of ginger  has complied with the quality standard of  as herbal materials, i.e. 10%, while the essential oil for red, big white and small white ginger were 3,39%, 3,12% and 3,16% respectively, and the drying time was 45 hours. 
PENGGUNAAN BERBAGAI JENIS BAHAN PELINDUNG UNTUK MEMPERTAHANKAN VIABILITAS BAKTERI ASAM LAKTAT YANG DI ISOLASI DARI AIR SUSU IBU PADA PROSES PENGERINGAN BEKU [Utilization of various cryogenic agents during freeze drying to Maintain the viability of Lactic Ni Nyoman Puspawati; Lilis Nuraida; Dede Robiatul Adawiyah
Jurnal Teknologi dan Industri Pangan Vol. 21 No. 1 (2010): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

Lactic acid bacteria are the  most important bacteria having potential as probiotic. The objectives of the present study were to examine the growth of Lactic Acid Bacteria,  identify the Lactic Acid Bacteria capable of surviving and  evaluate the best cryogenic agents that  protect the viability of  Lactic Acid Bacteria during freeze drying. Four cryogenic agents, i.e. sucrose, lactose, skim milk and maltodextrin, were used in freeze drying of three species of Lactic Acid Bacteria, i.e. Pediococcus pentosaceus A16, Lactobacillus brevis A17 and Lactobacillus rhamnosus R21 isolated from breast milk.  Evaluation included viability before and after freeze drying, survival of freeze dried culture in 0.5 % bile salt and low pH for 5 hours. The result showed that three of cryogenics, i.e. sucrose, lactose and skim milk improved the viability of freeze dried of all lactobacilli, except maltodextrin that did not give protection to L. rhamnosus R21. Evaluation on the survival  of LAB in 0.5 % bile salt showed that cryogenic agents improved the survival rate of all Lactic Acid Bacteria during freeze drying. The cryogenic  also improved the survival rate of LAB at low pH, with the best protection given by skim milk on L. rhamnosus R21.
SENYAWA ASAM 2- METILESTER-1-H-PIROL-4-KARBOKSILAT DALAM EKSTRAK ETIL ASETAT BUAH SALAK VARIETAS BONGKOK SEBAGAI ANTIOKSIDAN DAN ANTIHYPERURICEMIA [Studies on 2-Methylester-1-H-Pyrolle-4-Carboxylic Acid Compound in Ethylacetate Extract of Snake Fruit Var Leni Herliani Afrianti; Elin Yulinah Sukandar; Slamet Ibrahim; I Ketut Adnyana
Jurnal Teknologi dan Industri Pangan Vol. 21 No. 1 (2010): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The aim of the study was to determine the antioxidant and antihyperuricemia activity of ethyl acetate extract of snake fruit (Salacca edulis Reinw.) var. Bongkok. The research methods used in this study comprised  of three stages. First stage, the isolation processes, consist ed of maceration, fractionation, and purification using several techniques of chromatography. The chemical structures of the isolated compounds were determined based on UV, IR, 1-D NMR, and 2-D NMR spectral data. The ethyl acetate extract of snake fruit var. Bongkok isolated was a new compound 2-methylester-1-H-pyrolle-4- carboxylic acid. In the second stage the antioxidant activity of the extract and the isolated compounds were measured by 1,1 diphenol  (DPPH) method. The antioxidant activity of the extracts and the isolated compounds were expressed as IC50, The ethyl acetate extracts at concentrations of 0.2, 2, 20, 200, 400, and 2000 µg/mL showed inhibition of 9.67, 4.47, 41.89, 96.06, 82.54, and 90.60 % respectively, with an IC50 of 1.6 µg/mL. Ascorbic acid standards at the same concentration range showed an  IC50 of 0.54 µg/mL. Meanwhile, at the same concentrations the 2-methylester-1-H-pyrolle-4-carboxylic acid showed free radical inhibition of 17.48, 21.48, 18.14, 31.87, and 62.34 % respectively, with an  IC50 of 3.27  µg/mL. During the third stage,  the antihyperuricemic properties of the extracts and the isolated compound were examinated in vitro using inhibition of xanthin oxidase method. The ethyl acetate extracts at concentrations of 0.01, 0.02, 0.2, 2, and 2000  µg/mL showed xanthin oxidase inhibition of 49.24, 49.58, 50.28 and 52.26 % respectively, with an  IC50 of 24.75 µg/mL. At the same concentrations, the 2-methylester-1-H-pyrolle-4- carboxylic acid, showed xanthin oxidase inhibition of 27.7, 30.5, 37.3, 50.27 and 50.55 % respectively, with an IC50 of 48.86 µg/mL.  Allopurinol as a standard drug showed an IC50 of 0.92 µg/mL.
SUPLEMENTASI STEROL LEMBAGA GANDUM (Triticum sp.) PADA MARGARIN (Supplementation of Margarine with Wheat Germ Sterol) Sri Anna Marliyati; Hidayat Syarief; Deddy Muchtadi; Latifah K. Darusman; Rimbawan .
Jurnal Teknologi dan Industri Pangan Vol. 21 No. 1 (2010): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

Margarine is a water in oil (w/o) emulsion product which is widely used for household cooking and baking industry. Consuming of margarine, which contains trans fatty acid may cause health problem due to the increase of LDL cholesterol. Since margarine is also a good carrier of phytosterol which prevent the absorption of cholesterol, there is a possibility to formulate a healthier margarine. In this research formulation and characteristics of products was investigated. The research work consisted of two steps: (1) supplementation of wheat germ sterol into margarine (two methods) and  (2) analysis of physical, chemical characteristics and hedonic score. Parameters of physical characteristics were melting point and emulsion stability, whereas chemical characteristics were water and oil contents. The hedonic test was carried out based on product’s color, odor, taste, texture, and spreadability. Results showed that method II of supplementation produced better margarine than method I, in which the concentration of sterol in the margarine was higher with a melting point similar to that of control, better emulsion stability, and higher hedonic score. Supplementation process was carried out by mixing sterol into fat phase melted at 50 0C, followed by mixing with aqueous phase at 4 0C. Sterol used for method II was extracted using mixed solvent of hexane and ethanol at the ratio of 1:2 (v/v), which was resulted from previous experimentation.
KARAKTERISTIK PRODUK FERMENTASI DARI BAHAN BAKU KOMBINASI SUSU KAMBING DENGAN EKSTRAK KEDELAI, EKSTRAK JAGUNG, ATAU SANTAN KELAPA [Characterization of Fermented Products Made From Caprine Milk in Combination with Soy Extract, Corn Extract or Coconut Extra Hartati Chairunnisa; Wendry Setiyadi Putranto; Stefanus Jemianus Lepa
Jurnal Teknologi dan Industri Pangan Vol. 21 No. 1 (2010): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The aim of this study was to determine the best combination  of caprine milk with soy extract, corn extract, or coconut extract in the production of flavored fermented milk products. Products were analyzed for the lactic acid content, crude protein, viscosity and also  organoleptic properties (color, texsture, flavour, overall acceptance). This study was performed by a Completely Randomized Design with four kind of treatments, i.e.caprine, caprine milk in combination with  soy extract, corn extract, or coconut extract with five replications. The result indicated that the caprine milk in combination with soy extract resulted an acceptable flavored  fermented milk product containing 0.78% lactic acid, 6.62% crude protein, and had a viscosity of  2120 centipoise. The texture of the most liked flavoured fermented milk product  was viscous to most viscous, and the flavour was slightly sour to sour.
Data Base Jurnal Teknologi dan Indsutri Pangan Admin Jurnal Teknologi dan Industri Pangan
Jurnal Teknologi dan Industri Pangan Vol. 21 No. 1 (2010): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

Data Base Jurnal Teknologi dan Indsutri Pangan
AKTIVITAS ANTIOKSIDAN DAN ANTIBAKTERI EKSTRAK POLAR DAN NON POLAR BIJI SELASIH (Ocimum sanctum Linn) [Antioxidant and Antibacterial Activities from Polar and Non Polar Basil (Ocimum sanctum Linn) Seed Extracts] Agustina D. R. Nurcahyanti; Lusiawati - Dewi; Kris H. Timotius
Jurnal Teknologi dan Industri Pangan Vol. 22 No. 1 (2011): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The aims of this study were to determine total phenolic content, antioxidant activity and antibacterial activity of polar and nonpolar extracts of basil (O. sanctum L.) seed. Seeds of basil (O. sanctum L.) were extracted using a soxhlet extractor using four types organic solvent, i.e. chloroform, ethyl acetate, acetone, and methanol for eight hours each. The total phenolic content was determined using Folin Ciocalteu method, antioxidant activity was determined using reducing power and DPPH (1,1-diphenyl,2-picrylhydrazyl) scavenging activity methods, while antibacterial activity was tested using agar diffusion method. The result showed that the highest total phenolic content and antioxidant activity was obtained in methanol extract with 3.63 ± 0.21 mgGAE/g phenolic total, 58.39 ± 3.81 mek/g using reducing power method and 85.73 ± 0.86% free radical scavenging activity. Furthermore the result of antibacterial activity testing showed that the highest diameter of inhibition zone was observed in ethyl acetate extract inhibition on E.coli, P.aeruginosa, B.subtilis, and S.aureus where its inhibition zone were 13.53 ± 0.63; 10.67 ± 1.05; 14.93 ± 0.80, and 13.46 ± 0.79 mm, respectively. This result suggests that both polar and nonpolar basil seed extracts possess specific biological activity. This data provide valuable and strong database for exploration of natural antibacterial agents and antioxidant for food and health industry application. 
AKTIVITAS ANTIHIPERURIKEMIA EKSTRAK ETIL ASETAT DAN ETANOL BUAH SALAK VARIETAS BONGKOK (Salacca edulis Reinw.) PADA TIKUS GALUR WISTAR [Antihyperuricemic Activity of Ethyl Acetate and Ethanol Extracts of Snake Fruit var. Bongkok (Salacca edulis Reinw.) o Leni Herliani Afrianti; Elin Yulinah Sukandar; I Ketut Adnyana; Slamet Ibrahim -
Jurnal Teknologi dan Industri Pangan Vol. 22 No. 1 (2011): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The aims of the study was to determine antihyperuricemic activity of ethyl acetate and ethanol extractsof snake fruit (Salacca edulis Reinw.) var. Bongkok on Wistar male rats. Wistar male rats administered with 100 and 200 mg/kg b.w ethyl acetat extract and 200 mg/kg b.w ethanol extract and simulationsly induced with potassium oxonate peritoneally and uric acid orally showed descreased uric acid serum level significantly as compared to control group at 6th and 7thhour (p < 0.05). Meanwhile ethanol extract at 100 mg/kg bw did not affect uric acid serum level significantly. Determination of uric acid level in urine of the rats, indicated that administration ofethanol extract at 200 mg/kg bw, orprobenecid as a standard at 45 mg/kg bw, increased excretion of urine uric acid level significantly as compared to control group at 7thhour (p < 0.05). Additionally, administration of ethyl acetate extract at 100 and 200 mg/kg bw did not show an increase of uric acid excretion in urine. Mechanism of action of the ethyl acetate extract and ethanol extract as an antihyperuricemic agent has been proposed by inhibition of xanthine oxidase activity wich decrease the synthesis of uric acid. Hence, the mechanism of action of antihyperuricemia of the ethanol extract was suggested to be an uricosuric i.e. increases the excretion of urine uric acid and xanthine oxidase inhibitory.
POTENSI BAKTERI ASAM LAKTAT PROBIOTIK INDIGENUS SEBAGAI ANTIDIARE DAN IMUNOMODULATOR [Potency of Indigenous Probiotic Lactic Acid Bacteria as Antidiarrheal Agent and Immunomodulator] Made Astawan -; Tutik Wresdiyati -; Irma Isnafia Arief; Dwi Febiyanti -
Jurnal Teknologi dan Industri Pangan Vol. 22 No. 1 (2011): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

The aim of the study was to observe the ability of indigenous probiotic lactic acid bacteria (LAB) Lactobacillus plantarum 2C12 and Lactobacillus fermentum 2B4 as antidiarrheal agent in rats infected by Enteropathogenic Escherichia coli (EPEC), and also to observe their effect as immunomodulator (malonaldehyde level and proliferation of lymphocyte cell). A total of 90 male Sprague Dawley rats were used for this study and divided into 6 groups i.e.: (1) Negative Control (not infected with of EPEC), (2) LAB L. plantarum 2C12, (3) LAB L. fermentum 2B4, (4) LAB L. plantarum 2C12 + EPEC, (5) LAB L. fermentum 2B4 + EPEC, and (6) Positive Control (infected with EPEC). The treatment of LAB was undertaken from 1st-21st day, while infection of EPEC using 106 cfu/ml per day was undertaken during 8th -14th day. Groups administered with LAB L. plantarum 2C12 + EPEC, LAB L. fermentum 2B4 + EPEC, and positive control, showed decreased body weight during 12th-21st day. At the 21st day, positive control group underwent acute diarrhea (fecal water content was 68.2 % b/b). Statistical analysis with Duncan Test showed that the treatment given to six groups of rats gave significant effect (p<0.05) toward PER value, number of lymphocyte cells and malonaldehyde level in liver and kidney of the rats.
PEMODELAN MATEMATIK PERUBAHAN PARAMETER MUTU KERUPUK SELAMA PENGGORENGAN DENGAN PASIR [Mathematical Modeling of Quality Parameter Changes of Chips During Sand Frying] Siswantoro - -; Budi - Rahardjo; Nursigit - Bintoro; Pudji - Hastuti
Jurnal Teknologi dan Industri Pangan Vol. 22 No. 1 (2011): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

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Abstract

Chip is a preferred food by all economic levels of society. Before consumption, chip is prepared by frying. There are different kinds of frying methods; one of them is conducted using sand as the heat transfer medium, known as “hot sand frying". Frying using sand is interesting because of the specific characteristics of the final product. First, the chip is not oily, so that it does not easily become rancid. Secondly, chip prepared by sand frying is easily returned to its crunchiness by heating it at medium temperature (between 35 - 450C). The general purpose of this research is to develop a frying process using sand as the heat transfer medium. The specific purpose of this research is to develop a mathematical model to explain the quality parameter changes during sand frying. This laboratory based experiment was conducted using river sand and ferric sand as the medium for hot transfer and raw chip as the sample food. Equipment used include tools for measuring physical and thermal properties, a sand frying machine, tachometer, thermocouple, data logger, interface, and a personal computer. The results show that the average deviation of the predicted values is less than 10%., which suggests that the proposed mathematical model has a reliable precision level.

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