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Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology)
Published by Universitas Udayana
ISSN : 24772739     EISSN : 24772739     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) adalah jurnal ilmiah yang dikelola oleh Program Magister Ilmu dan Teknologi Pangan, Progam Pascasarjana, Universitas Udayana, Denpasar-Bali. Jurnal ilmiah ini diterbitkan dua kali setahun, mempublikasikan hasil-hasil penelitian dan ulasan ilmiah dalam bidang ilmu dan teknologi pangan.
Arjuna Subject : -
Articles 150 Documents
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Front Matter MITP Vol. 6 No. 2 September 2019 Ida Bagus Putu Gunadnya
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 6 No 2 (2019): Scientific Journal of Food Technology (September)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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Abstract

Stability of Black Garlic Extract on Various pH and Temperature Putu Eka Yudhayanti; I Dewa Gde Mayun Permana; Komang Ayu Nocianitri
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 7 No 1 (2020): Scientific Journal of Food Technology (March)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITP.2020.v07.i01.p03

Abstract

Black garlic is a garlic that experiences warming at a certain temperature and time to find higher antioxidant activity. This research aimed to know effect of antioxidant content’s stability of extract BG to pH and temperature. The experimental design used in this research was a completely randomized design with replication, which consisted of two factors. The first factor was pH (4, 6 and 8). The second factor was temperature (30, 50 and 70ºC). Data were analyzed with analysis of variance, followed by Duncan test. The results showed that pH and processing temperature very influential to antioxidant activity, total phenolic and total flavonoid. The results showed that the best treatment was pH 4 and temperature 30ºC which the best resulted antioxidant activity, total phenolic and total flavonoid that stablest. The resulted of antioxidant activity, stability of total phenolic and total flavonoid that were 75,13%, 42,47% and 77,71%. The treatment of pH and processing temperature change compounds of extract black garlic. Myricetin and quercetin appeared on treatment pH 4 with temperature 30ºC and pH 8 with temperature 70 ºC. The treatment of pH and processing temperature of black garlic extract reduced antioxidant activity, total phenol and total flavonoid. pH and temperature form new compounds.
Identification of Separate Fractions on Kacapiring Leaf Simplisia Ida Bagus Ketut Widnyana Yoga; I Wayan Suarta; Luh Putu Wrasiati
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 6 No 2 (2019): Scientific Journal of Food Technology (September)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITP.2019.v06.i02.p03

Abstract

Identification compound of simplisia extract by Thin Layer Chromatography (TLC), is one way to obtain active component in Kacapiring leaf (Gardenia jasminoides Ellis).The purpose of this research were to get the best crude e.xtract by organic solvent (ethanol, methanol, and ethyl acetate), and composition of the mobile phase to identify of the separate fractions by TLC. The separate fractions was calculated of Rf value and was scanned maximum wavelenght by spectrophotometer. The treatment was repeated three times, data colected was analysed by descriptive statistic. The result showed that the highest percent of extractive value to ethyl acetate (17.32 %) and the lowest was in ethanol (11.41 %). The best of mobile phase in ethanol crude extract was in mobile phase II (petroleum ether : acetone and 2-propanol 90 :10: 0.45) with 7 spots clearly, while methanol and ethyl acetate crude extract in mobile phase I (petroleum ether : acetone and 2-propanol 85:15:0.45), with separate respectively 8 and 9 spots. The identity average of compound showed that crude extract consist of chlorophyll a, chlorophyll b, lutein, feofitin, beta carotene, and some of spots still unknown identity. Ethyl acetate and mobile phase I were the best of solvent and mobile phase to extract and identify of Kacapiring simplisia.
Front Matter MITP Vol. 7 No. 1 March 2020 Ida Bagus Putu Gunadnya
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 7 No 1 (2020): Scientific Journal of Food Technology (March)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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Abstract

Utilization of Tofu Dregs Flour in Making Snack Bars for People with Diabetes Mellitus Ni Putu Diah Cahyani Subamia; Komang Ayu Nocianitri; I Dewa Gede Mayun Permana
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 7 No 1 (2020): Scientific Journal of Food Technology (March)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITP.2020.v07.i01.p04

Abstract

Type II diabetes mellitus due to an unhealthy lifestyle, one of which is the lack of fiber in daily food consumption. One food that has a high fiber content is tofu dregs. The purpose of this study was to determine substitution of wheat flour with tofu dregs flour to produce a snack bar with the best characteristics, and determine the effect of consumption of snack bar from tofu dregs on blood sugar content in rats. The research was conducted two steps. Step I: Formulation of snack bar using a completely randomized design with tofu dregs flour concentration of 0 %, 10 %, 20 %, 30 %, 40 %, and 50 %. The variables of this study were the content of water, ash, protein, fat, carbohydrates, sensory tests, and effectiveness tests. Step II: the best characteristic snack bar in the step I was used experimental rats. This step used true experimental design with pre-post test control group design. The variables of study were blood glucose levels before treatment and after treatment. The treatment group consisted of normal, negative, positive control, and snack bar. The results of the first step of the research showed that substitution of wheat flour with 40 % tofu dregs produced the best characteristic snack bar with 17.19 % water content, 1.33 % ash content, 11.03 % protein, 20.53 % fat, 49.92 % carbohydrate, light brown color, unpleasant aroma, distinctive soy taste, crumb texture, 0.63 % water soluble food fiber, 1.57 % water insoluble fiber, and total food fiber 2.36 %. The results of the second step of the study showed that the provision of substitution of wheat flour with tofu dregs flour 40 % could reduce blood sugar levels in diabetic mellitus rats until normal, start 290 mg/dl to 108.5 mg/dl. Tofu dregs flour can be used for snack bar formulations for people with diabetes mellitus.
Analyze Potential of Diluent Solution in Antibacterial Test of Zedoary Rhizome Tea (Curcuma zedoaria (Berg.) Roscoe) on Escherichia coli I Gusti Ayu Agung Mirah Widiastiti; I Wayan Wisma Pradnyana Putra; Agus Selamet Duniaji; Luh Putu Darmayanti
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 6 No 2 (2019): Scientific Journal of Food Technology (September)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITP.2019.v06.i02.p04

Abstract

Diluent solution in microbiology analysis has a very important role in obtaining samples with the best number of microbes that can be counted from 30 to 300 colonies. Waste of air conditioner (AC) water which has not been utilized optimally has potential as a diluent solution. The purpose of this study was to determine the potential waste of AC water as an alternative diluent solution compared to some diluent solutions in the antibacterial test of Zedoary Rhizome tea against Escherichia coli (E. coli). Analysis potential of diluent solution using the plate count method, then used as a diluent solution in the anti-bacterial test of Zedoary Rhizome tea against E. coli ATCC 25922 by contact method for 24 hours and cell quantity was calculated by hemocytometer. This study used RAL with 4 treatment levels of diluent solution, namely: AC water, Pepton Water (PW 0.1%), physiological salts (0.85% NaCl) and demineralized aquades (Aq DM). The results showed that AC water thinners had a significant effect with PW and Aq DM diluents seen from the highest average E. coli cell value of 2.6 x 108 CFU/ml obtained in AC water thinners and the smallest value of 1.3 x 108 CFU/ml of Aq DM diluents. Tests of pH showed a 0.85% NaCl diluent solution of 6.95 was significantly affected by other diluent solutions. Antibacterial test showed that treat waste of AC water diluent had a significant effect with other diluents with an inhibition value of 60.81% and said to be bacteriostatic.
The Characteristics of Nugget Fortified Calcium From Chicken Eggshell Powder Made Gde Wisnu Merta; Ni Made Wartini; I Made Sugitha
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 7 No 1 (2020): Scientific Journal of Food Technology (March)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITP.2020.v07.i01.p05

Abstract

Nugget is favorite fast food, which contain a high cholesterol and low in minerals such as calcium. Chicken eggshell is an idle resource, which contain high calcium. Fortification of calcium sources from chicken eggshell powder is a good innovation to increase the nutritional value of nuggets, and utilizing of idle resources that are currently not properly managed. The purpose of this research was to determine the effect of additional chicken eggshells powder as calcium fortification to the characteristics of nuggets, and percentage of additional chicken eggshell powder to produce the best nuggets. This research was an experimental study using a Completely Randomized Design with the treatment of additional chicken eggshell powder for nuggets. The treatment carried out with five levels of 0%, 5%, 10%, 15%, and 20%, by weight of the nugget raw material. Each treatment was repeated three times. The results of physical, chemical, and organoleptic characteristics analysis showed that the additional of chicken eggshell powder has a significant effected to the water content, ash content, protein content, calcium content, taste, and texture, but did not significant affected the fat content, pH value, hardness level, color, and flavor of the nuggets. Based on the results of the effectiveness test, the best treatment in this research was the addition of 5% chicken eggshell powder. The addition of chicken eggshell powder can significantly increase calcium and ash content of the nuggets, but significantly decrease taste and texture of the nuggets. The addition of 5% chicken eggshell powder produced the best nuggets.
The Influence of Encapsulant Materials in Freeze Drying Process on Lactobacillus plantarum 1 RN9 Viability Ni Nyoman Puspawati; I Made Sugitha; Agus Selamet Duniaji; Ni Made Indri Hapsari Arihantana; Made Surya Permana Mahardika
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 6 No 2 (2019): Scientific Journal of Food Technology (September)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITP.2019.v06.i02.p05

Abstract

Lactic acid bacteria are important microorganisms in food fermentation technology. Lactobacillus plantarum 1 RN9 is a LAB isolated from bamboo and can be used as a starter culture in making curd. During the processing of LAB culture it can be damaged so that it can eliminate its function as a probiotic. On the other hand, storing culture in a fresh condition cannot be carried out for a long time. Thus we need a preservation method (preservation) of lactic acid bacteria that can maintain its viability and superior of the properties of an isolate. Encapsulation is one way to maintain the viability of probiotics and protect probiotics from damage due to unfavorable environmental conditions such as gastric acid and bile salts (Wu et al., 2000). The purpose of this study was to determine the effect of the type of encapsulant on the yield and viability of L. plantarum 1 RN9 during the freeze drying (FD) process. The encapsulant material used was skim milk, lactose, maltodextrin with observational parameters including yield, total LAB and viability of LAB. Based on the results of the study showed that the yield of dry cultures of L. plantarum 1 RN9 ranged from 26.42% to 41.08%, which statistically showed a significant difference (P> 0.05) between treatments. The highest yield was obtained in skim milk encapsulant by 41.08% then lactose was 39.44% and maltodextrin 26.42%. The viability of L. plantarum 1 RN9 culture after freeze drying with lactose encapsulant and maltodextrin decreased by 2.3 to 2.5 log cycles but still had high viability while viability with skim milk encapculation increase. The total LAB with skim milk encapsulants increased by 1 log cycle from 10.3 log CFU/g to 11.3 log CFU/g. Based on the results of the studyit can be conclused the use of skim milk encapsulants on L. plantarum 1 RN9 gives the best results compared of lactose and matodextrin with a yield of 41.08% and viability increases 1 log cycles ie 1.6 x 1011 CFU/g.
Analysis of The Composition Chemical Flours "Mulu Bebe" (Musa acuminata) Modification North Halmahera Indigenious as a Prebiotic Food Source Ronal Lumba; Masitah Yusniar
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 7 No 1 (2020): Scientific Journal of Food Technology (March)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/MITP.2020.v07.i01.p01

Abstract

“Mulu bebe” banana (Musa acuminata) is one of the tropical fruit commodities that has the potential in Indonesia, specifically the North Halmahera region has a very high opportunity as a food diversification material. The aim of the study was to determine the chemical composition of "mulu bebe" banana flour produced through the modification of spontaneous fermentation and cooling heating as a prebiotic food source. This study using factorial Randomized Complete Design (CRD) with three replications. The first factor was the duration of spontaneous fermentation of 0, 12, 24 and 36 hours and the second factor was the length of heating, namely 0 and 45 minutes then continued with cooling at 4oC for 24 hours. The results of the chemical composition analysis of “mulu bebe” banana flour with spontaneous fermentation conservation and safety supplements against the chemical composition of banana flour produced were 7.21-10.68% water content, 1.84-2.74% ash content, crude fiber 0, 57 -2.61%, fat content from 0.93-1.44%, protein content from 3.55 to 4.21%, content from 45.63 to 69.24%. Changes in the chemical composition of the banana flour, caused by the fermentation process and the addition of supplements to sliced bananas before drying. This study obtained banana flour products which are low in fat, protein and carbohydrate content which indicated that the bebe banana flour products produced by contained resistant starch (RS) as prebiotic food source.
The Formulation Combination Potatoes Starch and Bran of Instant Porridge as a Diet for Diabetes Mellitus Ni Putu Destriani Devi; I Ketut Suter; Komang Ayu Nocianitri
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 6 No 2 (2019): Scientific Journal of Food Technology (September)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Diabetes mellitus is a metabolic disease characterized by high blood sugar or hyperglycemia (>=126 mg/dl). In addition to drugs and insulin injections, regulating diet is an important control factor for this disease. Diabetics with complications will experience low intake of food due to various complaints such as nausea, vomiting, and decreased appetite. These low intake if not well handled will cause malnutrition. Small but nutrient-dense food portions are needed in the treatment of diabetics with low intake cases. Instant porridge with high fiber content made from potato flour and rice bran is expected to overcome the low intake problem in diabetic patients. The purpose of this study was to determine the combination of potato flour and bran best for instant slurry making and the best formulation could have the effect of reducing blood sugar levels in diabetes mellitus. This research was conducted in 2 stages. The first stage of the study used an experimental method with a Randomized Block Design for Proximate Test, with three (3) replications. In the phase I study there were 6 formulations of instant slurry, a combination of potato flour and bran, namely: 90:10 (P1), 85:15 (P2), 80:20 (P3), 75:25 (P4), 70:30 (P5) and 65:35 (P6), which will be selected as the best product based on the proximate test results, crude fiber content and sensory test (taste, color, aroma, texture and overall acceptance). Based on the matrix point, P1 instant slurry became the best product with the highest value which was then tested for its effect on blood sugar in experimental animals (mice) for 28 days in the phase II study. The best instant pulp products have a low carbohydrate content of 48.20%, low fat of 7.21%, high protein 31.77% and crude fiber of 8.70%. There were 4 treatment groups, namely healthy mice given standard feed (1), diabetic rats given standard feed (2), diabetic rats fed standard feed energy doses: instant porridge of 50:50 (3) and diabetic rats given 100% instant porridge (4). Based on the results of variance, giving 100% instant porridge (group 4) had a very significant effect on the decrease in the mean blood sugar of mice since the first week of intervention. For four (4) weeks of intervention, rats given 100% instant porridge had an average blood sugar drop of 25.78% and were categorized normal (>=126 mg/dl).

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