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Jurnal Teknologi Dan Industri Pangan
ISSN : 19797788     EISSN : 2087751X     DOI : 10.6066
Arjuna Subject : -
Articles 635 Documents
POTENSI KENTANG HITAM DALAM MEREDUKSI STRES OKSIDATIF DAN MENGHAMBAT PROLIFERASI SEL KANKER PAYUDARA MCF-7 [Potential of Black Potato in Reducing Oxidative Stress and Inhibiting the Proliferation of Breast Cancer Cells MCF-7] Mutiara Nugraheni; Umar Santoso; . Suparmo; Hastari Wuryastuti
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (490.303 KB) | DOI: 10.6066/jtip.2013.24.2.138

Abstract

The ethanolic extracts of flesh and peel of Coleus tuberosus were evaluated for its ability to reduce oxidative stress using cellular antioxidant activity testing on MCF-7 cells based on oxidation of 2.7-dichlorofluoresce diacetate (DCFH). Meanwhile, the antiproliferative activities was evaluated based on 3-(4.5-Dimethylthiazol-2) -2.5-diphenyltetrazolium bromide (MTT) assay in MCF-7 cells. The results showed that the ethanolic extract of flesh and peel have the ability to reduce oxidative stress and inhibit the proliferation of breast cancer cells MCF-7. The optimum concentration of ethanol extracts of peel in reducing oxidative stress was 200 μg/mL, while that of flesh was 400 μg/mL. Inhibitory concentration (IC50) of cell proliferation of MCF-7 by peel extract was 698.23±1.61 (µg/mL), and flesh extracts was 829.86±5.73 (µg/mL). The ability to reduce and inhibit the proliferation showed a dose dependent manner. There is a high correlation between cellular antioxidant and antiproliferation. The correlation of cellular antioxidant activity of the ethanolic extract of flesh Coleus tuberosus and antiproliferation was 0.93, while the correlation between cellular antioxidant activity ofthe ethanolicextract ofthe peel and anti-proliferation was 0.98. These results suggest that the ethanolic extract of flesh and peel of Coleus tuberosus can be used as a source of natural antioxidants and anti-proliferation.
KARAKTERISTIK FISIK, KIMIA, MIKROBIOLOGI WHEY KEFIR DAN AKTIVITASNYA TERHADAP PENGHAMBATAN ANGIOTENSIN CONVERTING ENZYME (ACE) [Physical, Chemical and Microbiological Characteristics of Whey Kefir and Its Angiotensin Converting Enzyme (ACE) Inhibitory Act Andi Febrisiantosa; Bagus Priyo Purwanto; Yantyati Widyastuti; Irma Isnafia Arief
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (540.884 KB) | DOI: 10.6066/jtip.2013.24.2.147

Abstract

This study was conducted to evaluate the characteristics of whey-based kefir products and their activity to inhibit the angiotensin converting enzyme (ACE). Kefir was produced by using many types of whey, namely SK: skim milk based kefir (control); WK: gouda cheese whey based kefir; and WKB: commercial whey powder based kefir. The experimental design was a completely randomized design. Each treatment was conducted in triplicates. Kefirs were evaluated for physical and chemical properties (pH, total titratable acidity, viscosity, protein, fat, lactose, and alcohol), microbiological (lactic acid bacteria and yeast) population, peptide concentration, ACE inhibition, IC50 and Inhibition Efficiency Ratio (IER). The results showed that the types of whey used for kefir productions significantly affected the physical and chemical characteristics of the products (p<0.05). Total lactic acid bacteria and yeast population of the products were not significantly different among the whey types (p>0.05). The peptide concentration and ACE inhibitory activity of WK, 1.54±0.02 mg/mL and 73.07±0.91%, was significantly higher (p<0.05) than those of the control and WKB. The IC50 of WK was 0.83±0.02 mg/mL, significantly lower than that of control (1.05±0.01 mg/mL) and WKB (0.96±0.01 mg/mL). The IER of WK (47.35±0.09% per mg/mL) was not significantly different (p>0.05) from the control (47.19±0.09% per mg/mL) but was significantly higher (p<0.05) than that of WKB (45.75±0.18% per mg/mL). This research indicated that whey kefir is a potential source of bioactive peptide for antihypertention agent.
Lactobacillus plantarum PADA FESES INDIVIDU DEWASA SEHAT YANG MENGONSUMSI Lactobacillus plantarum IS-10506 DARI DADIH [Lactobacillus plantarum in Stool of Apparently Healthy Adults Consuming Lactobacillus plantarum IS-10506 from Dadih] Azmier Adib; Mardiastuti H Wahid; Pratiwi Sudarmono; Ingrid S. Surono
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (539.775 KB) | DOI: 10.6066/jtip.2013.24.2.154

Abstract

A placebo double blind pre-post human study was conducted in apparently healthy adults. There were two treatment groups consisting of Group A and B representing probiotic and placebo group, respectively. Twenty four participants were randomly assigned, each supplemented with either placebo or probiotic Lactobacillus plantarum IS-10506. The micro encapsulated powder was given at a dose of 2.6x1010 CFU/day for 21 consecutive days. Stool samples were collected before and after the supplementation. The fresh stool samples were analyzed for the viability of Lactobacillus sp. by conventional plate count method in MRS agar. Some stool samples were kept frozen to be analyzed by using real time PCR to trace back the availability of Lactobacillus plantarum with species specific primer. The Lactobacillus sp. in stools of healthy adults given microencapsulated probiotic Lactobacillus plantarum IS-10506 powder was significantly more than those who consumed microencapsulated placebo powder. Molecular detection by qPCR confirmed the availability of Lactobacillus plantarum in fecal samples of the probiotic group after given the supplementation for 21 days. The molecular detection validation confirmed that probiotic Lactobacillus plantarum was available in the fecal samples of the probiotic group of healthy adults. However, the availability and viability of Lactobacillus plantarum were not consistently found in the intestinal tract.
KAPASITAS ANTIOKSIDAN DAN INHIBITOR ALFA GLUKOSIDASE EKSTRAK UMBI BAWANG DAYAK [Antioxidant and Alpha-Glucosidase Inhibitory Properties of Bawang Dayak Bulb Extracts] Andi Early Febrinda; Made Astawan; Tutik Wresdiyati; Nancy Dewi Yuliana
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (412.076 KB) | DOI: 10.6066/jtip.2013.24.2.161

Abstract

Bawang dayak (Eleutherine palmifolia) is an indigenous plant in Borneo traditionally used by Dayak tribes to treat any kind of degenerative deseases including diabetes mellitus. The purpose of this research was to measure antioxidant and antidiabetic capacities of water and ethanolic extracts of bawang dayak bulb. Parameters evaluated in this research were phytochemical screening, total phenolics, flavonoid content, DPPH free-radical scavenging activity, and alpha glucosidase inhibiting (AGI) activity. The result showed that the total phenolics and flavonoid content in bawang dayak ethanolic extract (217.71 mg GAE/g and 65.35 mg QE/g) were higher than that of the water extract (139.93 mg GAE/g and 16.95 mg QE/g). The ethanolic extract also had higher antioxidant and AGI activities (IC50 112 and 241 ppm) than that of the water extract (IC50 526 and 505 ppm). In addition, the IC50 values for AGI in bawang dayak ethanolic extract was lower than acarbose which is known as a commercial antidiabetic agent.
PERUBAHAN FISIKO-KIMIAWI, MIKROBIOLOGI DAN HISTAMIN BAKASANG IKAN CAKALANG SELAMA FERMENTASI DAN PENYIMPANAN [Physico-Chemical, Microbiological, and Histamine Changes in Skipjack Bakasang During Fermentation and Storage] Sri Purwaningsih; Joko Santoso; Rahmatia Garwan
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (492.001 KB) | DOI: 10.6066/jtip.2013.24.2.168

Abstract

Bakasang is a salted fermentation product made from viscera of skipjack (Katsuwonus pelamis, Lin) or tuna (Thunnus sp) which tastes sour and is usually used as a complementary dish for local people in Ternate, North Maluku, Indonesia. The research aimed to study the changes in protein and histamine levels of bakasang made from skipjack viscera during fermentation and during storage at room temperature. The experiment consisted of preparation and characterization of raw materials, fermentation for 0, 2, 4, 6, and 8 days, and storage of the resulted product at room temperature for 0, 30, 60, and 90 days. The best bakasang obtained from this experiment was compared with a commercial bakasang produced by local people in Ternate. Fermentation time gave significant effects on the moisture, protein, histamine, and total microbes but did not affect pH and Salmonella count. Bakasang with the best characteristics was obtained after 4 days of fermentation. The product  contained protein, pH, histamine, and  log total microbe of 50.87% (db), 5.78, 24.56 ppm, 4.86 log CFU/g, respectively. During room temperature storage, the level of moisture, protein, and histamine as well as pH and total bacteria changed significantly. Bakasang stored for 30 days had the best characteristics. It contained protein, histamine, and log total microbes of 46.98% (db), 28.97 ppm, and 4.66 logCFU/g, respectively. The characteristics of bakasang in this study were better than commercial bakasang which had protein, histamine, and log microbes of 44.48% (db), 303.37 ppm and 7.36 log CFU/g, respectively.
KARAKTERISTIK FISIKOKIMIA DAN ANTIBAKTERI VIRGIN COCONUT OIL HASIL FERMENTASI BAKTERI ASAM LAKTAT [Physicochemical and Antibacterial Characteristics of Virgin Coconut Oil Fermented with Lactic Acid Bacteria] Anton Rahmadi; Ipnatul Abdiah; Maya Dewi Sukarno; Titin Purnaningsih
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (318.236 KB) | DOI: 10.6066/jtip.2013.24.2.178

Abstract

Destabilization of oil-water emulsion in coconut milk, in the production of virgin coconut oil (VCO), can be accelerated with the utilization of lactic acid bacteria fermentation. This research was aimed to determine physicochemical and antibacterial characteristics of VCO from coconut hybrid variety fermented with L. casei of Yakult® and two isolates of L. plantarum from mandai (traditionally fermented Artocarpus campeden) and coconut water. The observed physicochemical of VCO included yield, specific gravity, moisture content, saponification value, peroxide value, and free fatty acid. The antibacterial activity was subjected to the well diffusion method against E. coli and S. aureus with chloramphenicol as the positive control. L. casei yielded the best VCO-BAL at 34.5% (v/v), while L. plantarum from mandai and coconut water yielded 29.5% (v/v) and 25.3% (v/v), respectively. VCO-BAL from L. casei had the lightest specific gravity of 0.84±0.04 g.mL-1. Average of measured moisture contents (0.03-0.05%), saponification values (161.3-163.6), peroxide values (0.53-0.86), and free fatty acids (0.11-0.12%) of the three VCO-BALs were not significantly (p>0.05) different with respect to control. VCO-BAL produced from L. plantarum of coconut water did not exhibit better antibacterial activity compared to control. VCO-BAL from L. casei demonstrated highest antibacterial activity against E. coli, 6.45±0.50 mm (58.1% of positive control) and S. aureus, 5.23±0.40 mm (51.3% of positive control). It is deduced that antibacterial activity from VCO-BAL is contributed by hydrophobic bacteriocins.
APLIKASI MUTAN BERFLUORESENS UNTUK MEMPELAJARI KETAHANAN HIDUP, KOLONISASI DAN PENETRASI ISOLAT Cronobacter sakazakii SELAMA PENGERINGAN JAGUNG [Use of GFP Mutant to Study the Survival, Colonization and Penetration of Cronobacter sakazakii Isolates Duri Siti Nurjanah; Maggy T. Suhartono; Ratih Dewanti- Hariyadi; Sri Estuningsih
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (616.174 KB) | DOI: 10.6066/jtip.2013.24.2.184

Abstract

Cronobacter sakazakii is a Gram-negative emerging pathogen regarded as causative agent of meningitis and necrotizing enterocolitis in certain groups of infants. In the previous research, thirty-two local isolates of C. sakazakii were obtained from various dried food products such as from corn starch, suggesting that they are able to survive drying. Some of the isolates were toxic. Green Fluorescent Protein (GFP) have been inserted to C. sakazakii and used as a marker for selective enumeration due to the ability of this protein to fluoresce under UV and to tolerate in ampicillin containing media. The objective of this study was to evaluate the survival, colonization and penetration of two isolates of C. sakazakii from dried food product during maize drying. The maize was challenged with mutants at a concentration of 105-106 CFU/g before drying. Maize drying was performed at temperature of 40ºC, 45ºC and 50ºC for 4, 6 and 8 days until the moisture content reached 14%. The totals of resistant drying mutants were counted every day onto ampicillin containing media by observing under UV light. The survival rate of C. sakazakii during drying was determined by the slope of linier regression from C. sakazakii survival curve. Isolates of FWHd16, the toxic strain of C. sakazakii, were more resistant to heat treatments in comparison to isolates of YRt2a, or the non toxic strain of C. sakazakii. Following fluorescence and scanning electron microscope observation, it is concluded that both isolates were colonizing on maize surface. These mutants were able to penetrate to the inner side of the grain by entering injured surface or pores at the tip cap of maize.
PENGEMBANGAN BERAS ANALOG DENGAN MEMANFAATKAN JAGUNG PUTIH [Development of White Corn-Based Rice Analogues] Santi Noviasari; Feri Kusnandar; Slamet Budijanto
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (399.776 KB) | DOI: 10.6066/jtip.2013.24.2.194

Abstract

White corn can be utilized as a source of non-rice carbohydrate in the manufacture of rice analogues. The rice analogues with rice-like characteristics were produced by an extrusion technique. The aim of this research was to develop rice analogues from white corn and to evaluate their physicochemical and sensory properties. The study was conducted in several stages, i.e. preparation, formulation, and physicochemical and sensory properties evaluation. The physicochemical properties of rice analogues evaluated included proximate nutritional composition, dietary fiber concentration, cooking time, water loss rate, color, and whiteness percentage, while their sensory preferences were evaluated using hedonic scale test. The rice analogues made of Pulut Harapan and Lokal Purbalingga corns (4.34:65.66%) added with 30% sago starch, was found to be the most preferred. The moisture, ash, protein, fat, carbohydrate, and dietary fiber composition of this rice analog was 9.32, 0.38, 6.86, 1.22, 91.54, and 5.35%, respectively.
KARAKTERISTIK MIKROKAPSUL MINYAK ATSIRI LENGKUAS DENGAN MALTODEKSTRIN SEBAGAI ENKAPSULAN [Characteristics of Galangal Essential Oil Microencapsulation Using Maltodextrin Encapsulant] . Supriyadi; A. Sakha Rujita
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (503.555 KB) | DOI: 10.6066/jtip.2013.24.2.201

Abstract

Research on encapsulation of galangal (Alpinia galanga) essential oil using maltodextrin as a coating substance was aimed to determine the ideal proportion between the essential oil and coating material to produce microcapsules, and to determine its characteristics.The ratio of galangal essential oil and maltodextrin studied were 1:8, 1:10, and 1:12. Emulsification was performed using Turrax homogenizer at 11.500 rpm for 2 min. Microencapculation was performed by spray drying at inlet and outlet temperatures of 120 and 80°C, respectively, and feed flow rate of 15 mL/min. The optimum conditions for microcapsules were determined based on the water content, aw value, surface- and entrapped-oil, and volatile compounds profile (total volatile and volatile composition) of the microcapsules. Microcapsules prepared by essential oil and maltodextrin at a ratio of 1:10 was found to have better characteristics. The microcapsules had a moisture content of 6.27%, aw of 0.49, surface oil of 1.22 and total volatile of 42.22%. Methyl cinnamate, 1.8-cineole, a-pinene and b-pinene were found as the main volatile constituents in both of essential oil and microcapsules. Methyl cinnamate was more stable than the other volatile compounds, even after encapsulation process.  
QUALITY AND SENSORY EVALUATIONS OF TEMPE PREPARED FROM VARIOUS PARTICLE SIZES OF LUPIN BEANS [Evaluasi Sensorik dan Kualitas Tempe dari Kacang Lupin Berbagai Ukuran Partikel] Sri Priatni; Anastasia F. Devi; Leonardus B.S. Kardono; Vijay Jayasena
Jurnal Teknologi dan Industri Pangan Vol. 24 No. 2 (2013): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (367.722 KB) | DOI: 10.6066/jtip.2013.24.2.209

Abstract

Tempe is an Indonesian fermented soy bean, produced by using mainly Rhizopus oligosporus. Diversification of tempe raw materials is required for better food security, e.g., using lupin. The potency of lupin bean has been studied as a substitute of soy in tempe production. Nutritionally, lupin bean offers additional advantages over soy bean, i.e., it has a lower level of many anti-nutritional factors (ANFs) but contains higher protein (32-36%) than most pulses. The objectives of this study were to select the most suitable lupin bean from different particle sizes for tempe production and to characterize the quality of lupin tempe. In this study, the lupin tempe samples were analyzed for moisture content, firmness, aroma, and the total count of colony after 1 and 2 days of fermentation. Sensory evaluation was conducted by 17 Indonesian untrained panelists (hedonic) in three different days. The data were evaluated statistically using General Linear Model (GLM) and Tukey’s Honest Significant Difference (HSD). Results showed that the moisture content of lupin tempe ranged from 60 to 66%, higher than that of soy tempe (58.90%). Meanwhile, the firmness of lupin tempe was between 21.38-30.89 N. Mostly, tempes which were produced from ≤50% of particles sized ≥5 mm (L3, L5 and L6) exhibited poor quality in terms of firmness and aroma. The mean of total count of colony in lupin tempe were 3.0x104 CFU/g, lower than that of soy tempe (218x103 CFU/g), indicating a slower growth of mycelia on lupin beans. However, the overall acceptability of lupin tempe which was prepared from whole beans (L4 and L7) was not significantly different from that of soy tempe. Based on these quality and sensory tests, lupin tempe using whole lupin beans was recommended for substitute of soy bean in tempe production.

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