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Jurnal Teknologi Pangan dan Gizi
Published by Universitas Katolik Widya Mandala Surabaya
ISSN : -     EISSN : -     DOI : -
Core Subject : Science,
Computer Science & IT
Arjuna Subject : -
Articles 5 Documents
 1 
Search results for , issue "Vol 11, No 2 (2012)" : 5 Documents clear
PENGARUH PERBEDAAN KONSENTRASI EKSTRAK BIT MERAH DAN GELATIN TERHADAP SIFAT FISIKOKIMIA DAN ORGANOLEPTIK MARSHMALLOW BEET Ann, Kho Chin; Suseno, Thomas Indarto Putut; Utomo, Adrianus Rulianto
Jurnal Teknologi Pangan dan Gizi Vol 11, No 2 (2012)
Publisher : Widya Mandala Surabaya Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (952.721 KB) | DOI: 10.33508/jtpg.v11i2.1472

Abstract

Marshmallow was known as snack food made from sugar, glucose syrup, gelatin and coloring with addition of high air contain that produce soft texture and melting sensation when it chewe. Thus, use of betalain pigment from red beet extract as natural colorant is attempted for marshmallow. The use of beet extract give pectin component and affect gelatin which act as foaming agent to form marshmallow texture. The differences of red beet extract and gelatin concentration will give some effect to the physicochemical properties and organoleptic of marshmallow beet. Red beet extract obtained from red beet bandung and commercial gelatin is used. The research design will be used is two factor Randomized Block Design, red beet extract concentration (5%, 10%, 15%) and gelatin concentration (3%, 4%, 5%) with three replications. The test results are analyzed by varians test (ANOVA) at α = 5% and Duncan’s Multiple Range Test at α = 5% if there is real influence. The result of the analysis: water content (21,41-24,35%), water activity (0,807-0,817), pH (7,09-7,32), density (0,4484-0,5401 gram/mL), texture (hardness (773,98-1599,25 g) and chewiness (774,04-1508,77 g)) color (lightness (46,2-60,4), redness (28,2-35,7) and yellowness (5,1-6,6)) and organoleptic (color (4,79-6,13), taste (4,92-6,06) and texture (4,36-6,30)).The best treatment of beet marshmallow is G3B1 treatment (5% gelatin concentration and 5% beet extract concentration), which has 21,41% water content, 0,811 water activity, 0,4790 g/mL density, 1599,25 g hardness, 1508,77 g chewiness, 6,04 lightness, 28,2 redness, 6,6 yellowness and the organoleptic 5,87; 5,84 6,30 for color, taste and texture.
PENGARUH VARIASI KONSENTRASI NaCl PADA TAHAP PENCUCIAN TERHADAP SIFAT FISIKOKIMIA SURIMI-BASED PRODUCT AYAM BROILER Hardyawan, Stevanus; Matoetina, Maria; Setijawati, Erni
Jurnal Teknologi Pangan dan Gizi Vol 11, No 2 (2012)
Publisher : Widya Mandala Surabaya Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (127.235 KB) | DOI: 10.33508/jtpg.v11i2.1473

Abstract

Surimi-based product is a white meat protein extract based products. The protein was obtained from washing process where the kind of protein fraction depends on the type and concentration of the solution washing. Therefore need to study the influence of NaCl concentration used in washing process on the physicochemical properties. This study used a randomized block design with surimi-based product NaCl concentration (PN) consists of 6 level 0.1; 0.2; 0.3; 0.4; 0.5; and 0.6%, which was repeated three times. The parameters was the physicochemical properties of surimi-based product consist of the gel quality (gel strength and folding test), thaw-drip, water holding capacity, water content. The effects were analyzed uses ANOVA followed by DMRT for the one that save significant effect. The results showed that the NaCl concentration gave significant effect to the water content and water holding capacity of meat porridge II, gel strength and folding test of surimi-based product. The higher concentration of NaCl the lower water content of the meat slurry II (82.6418% - 74.4874%), water holding capacity of meat slurry II (71.4175% - 59,4225%), gel strength (3851.082 g.s - 2381.608 g.s) and folding test (15382.186 g.s - 26955.768 g.s), but the higher the thaw-drip (2,0583% - 5,3603%) . Gel strength and folding test graph were quadratic curve. The increase concentration of NaCl in the washing stages reduce the water binding capacity of the protein because of leaching in washing solution so that the reduced strength and elasticity of chicken surimi-based products.
PENGARUH KONSENTRASI LARUTAN LFC-12 SEBAGAI EDIBLE COATING DAN LAMA PENYIMPANAN TERHADAP SIFAT FISIKOKIMIA FLAKE BERAS HITAM (ORYZA SATIVA L. INDICA) Soebroto, Janice Utami; Suseno, Thomas Indarto Putut; Widoeri, Theresia Endang
Jurnal Teknologi Pangan dan Gizi Vol 11, No 2 (2012)
Publisher : Widya Mandala Surabaya Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.036 KB) | DOI: 10.33508/jtpg.v11i2.1248

Abstract

Black rice (Oryza sativa L. indica) is a local variety that contains anthocyanin so the grains have a dense purple color approaching black. Black rice has 74.81% carbohydrates as a major component so that can be applied to flake form as a practicable breakfast menu. However, that application can reduce anthocyanin in black rice. Therefore, it leads the idea to use L-FC12 solution as edible coating in black rice. This research aims to determine the effect of L-FC12 concentration and storage time on the physicochemical properties of black rice flake. Design research is Nested RCBD (Randomized Completely Block Design) with double factor consisting of the L-FC12 solution concentrations (0%, 20%, 40%, 60% and 80%) and the storage time (0, 20 and 40 days) as the nested factor with three replications. Parameters observed include color, rehydration, water content and anthocyanin. Data are to be analyzed using analysis of variance (ANOVA) at α = 5%. If the result of ANOVA shows significant effect prevails, Duncan's Multiple Range Test shall be done at α = 5% to show the difference among treatments. The best treatment is determined by additive weighting and non-dimensional scaling. Differences in L-FC12 concentration cause equal effects on water content (8,04 % - 10,69 %) and anthocyanin content (97,494 mg/g –292,482 mg/g), opposite effect on rehydration (59,00 % – 127,33 %), but no effects on lightness, redness and yellowness black rice flake. While the storage time cause equal effect on water content and lightness, cause opposite effect on anthocyanin content and rehydration. Storage time cause the fluctuations of redness and yellowness.
PENGARUH JENIS GULA DAN PENAMBAHAN SARI NANAS-WORTEL TERHADAP SIFAT FISIKO-KIMIA, VIABILITAS BAKTERI YOGURT, SERTA ORGANOLEPTIK YOGURT NON FAT Wijaya, Caroline; Kusumawati, Netty; Nugerahani, Ira
Jurnal Teknologi Pangan dan Gizi Vol 11, No 2 (2012)
Publisher : Widya Mandala Surabaya Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (0.036 KB) | DOI: 10.33508/jtpg.v11i2.1470

Abstract

Yogurt is a dairy products through fermentation lactic acid bacteria (LAB) by Lactobacillus delbrueckii ssp. bulgaricus dan Streptococcus salivarius ssp. thermophilus. Isomalt has a lower caloric value can be used in yogurt. Addition of pineapple-carrot juice can also be done as a natural coloring gents, aroma and flavor enhancer in yogurt. The experimental design was a nested Randomized Block Design (RBD) with type of sugar (as the nest) consist of sucrose and isomalt, and pineapple-carrot juice addition (as the nested part) consist of 3 levels of 20%, 25%, and 30% with 4 replications for each treatment. The parameters observed were pH, acidity, syneresis, total LAB and sensory (preferences of taste, color, and aroma). Data statistically analyzed by ANOVA (Analysis of Varians) at α = 5%. If there was a significant difference, then it was continued by DMRT (Duncan's Multiple Range Test) test to determine which level of treatment that showed significant differences. Increased concentration of pineapple-carrot juice reduced pH, meanwhile acidity, syneresis, and viability of LAB were increased. The best yogurt in this research were yogurt with sucrose (30% pineapple carrot juice) with pH 4,442, acidity 34,48oSH, syneresis 1,87%, total of LAB 10,4491 log cfu/mL, consumer perception defined as neutral for color, rather liked for taste and aroma, and yogurt with isomalt (25% pineapple carrot juice) with pH 4,468, acidity 34,75oSH, syneresis 2,31%, total of LAB 10,2410 log cfu/mL, consumer perception defined as rather liked for color, neutral for aroma, and rather not liked for taste.
PENGARUH JENIS GARAM KALSIUM DAN LAMA PENYIMPANAN TERHADAP KARAKTERISTIK SUKADE LAPISAN ENDODERMIS KULIT BUAH MELON (CUCUMIS MELO L) Ratnasari, Lidya; Ristiarini, Susana; Widoeri, Theresia Endang
Jurnal Teknologi Pangan dan Gizi Vol 11, No 2 (2012)
Publisher : Widya Mandala Surabaya Catholic University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (365.706 KB) | DOI: 10.33508/jtpg.v11i2.1250

Abstract

The usage of endodermic layers of melon (Cucumis melo L) to make succade have texture limitation. Blanching as a part of succade processing can make collapse texture of succade. To limitation the collapse texture need need soaking in firming agent solution like CaCl2, Ca(OH)2 and CaC6H10O6.5H2O. The usage of different calcium salt types will produce hygroscopicity differences which have effect to succade characteristic during storage. The experimental design is Nested Factorial Block Design. These are consist of two factors, the storage period (0, 1, 2, 3, 4 and 5 weeks) nested in the types of calcium salts (CaCl2, CaC6H10O6.5H2O and Ca(OH)2). Each treatment will be repeated three-times and tested parameter are water content, hardness, colour and organoleptic test (different test .i.e. performance, crispness and toughness). The data which obtained were analyzed with ANOVA (Analysis of Varians) at α = 5% then followed by Duncan’s Multiple Range Test at α = 5% to find the degree of treatment which was really different. The experiment showed that calcium salts types influence the water content and shrinkage degree, whereas storage period of each calcium salts types influence the water content, hardness, colour (lightness, yellowness and redness) and organoleptic (crispness and white patch). Succade which were soaked in CaCl2 or calcium lactate solution showed the increasing of water content during five weeks storage, which cause the increasing of tenderness, lightness, yellowness and decreasing of redness, crispness and white patch. Succade which soaked in Ca(OH)2 solution during five weeks storage showed insignificant of increased water content and decreasing of water content in second week which result the increasing of hardness, redness, white patch and decreasing of lightness and yellowness.

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