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Characteristic of bioplastic’s physical and mechanical (Study on Tapioca Concentration and Composition Mixture of Plasticizer) Bambang Admadi Harsojuwono; I Wayan Arnata
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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This study aims to (1) the effect of the concentration of starch and ratio mixture of plasticizer to the physical and mechanical characteristics of bioplastics (2) determine the concentration of starch and plasticizer RATIO mixture that results in physical and mechanical characteristics of bio plastics best. The experiment was conducted using a factorial randomized block design. The first factor is the concentration of tapioca consisting of 3 levels 4%, 5% and 6% (w / w). The second factor is the mixture plasticizer ratio of glycerol and sorbitol consisting of 5 levels ie (100: 0)%, (95: 5)%, (90:10)%, (85:15)%, (80:20)% b / b. Each combination of treatments classified into 2 time processing bio plastics, so there are 30 experimental units. Variables observed water content, elongation at break, tensile strength and Young's modulus . The data obtained were analyzed of variant and test of Duncan's. The results showed that the concentration of tapioca and mixture plasticizer had no effect on water content but significant effect on the elongation at break, tensile strength and Young's modulus. The concentration of starch 6% with a ratio of mixture of plasticizers glycerol: sorbitol ( 100: 0) produces the best characteristics of bioplastics with water content of 3.98%, elongation at break of 18.75%, the tensile strength of 930 MPa and a Young's modulus of 50 MPa.

Product’s Development Strategy and Market Expansion in Development of Traditional Food as a Product of Culinary Excursion in Bali Luh Putu Wrasiati; Anak Agung Putu Agung Suryawan W; I Made Anom Sutrisna Wijaya; I Ketut Suter
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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The purpose of this study was to determine the traditional market would be developed as a culinary tourism by the local government of Level II regions (districts / cities), formulation of activities and facilities needed by the strategy of product development and market expansion, implement strategies that had been selected and defined as conduct training, coaching, and mentoring to traders and waiters in traditional markets that have been determined. The results showed that the chosen market that would be developed markets were “senggol” market (night market) of Tabanan City, Kreneng-Asoka Denpasar, Gianyar City, Klungkung City, and City Park Singaraja. Food vendors who were in these markets got guidance regarding the development of products such as ordinances presentation, use of additives, sanitation, and coaching appearance. Market expansion strategy carried out by making brochures, websites "baliwisatakuliner.com" and the provision of traditional food outlets at every event such as the Feast of Balinese art, Buleleng Festival, Festival Vilage Sanur, Nusa Penida Festival, and the annual events in the Anniversary Exhibition of the Republic of Indonesia.

Viability of Lactic Acid Bacteria Isolated from Kombucha Tea Against Low pH and Bile Salt Ni Nyoman Puspawati; Ni Made Indri Hapsari Arihantana
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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Kombucha tea is a functional drink fermented by various types of microbes. Kombucha tea is also a source of lactic acid bacteria that can maintain the balance of the microflora of the digestive tract which can improve the health of the human body. Lactic acid bacteria can act as a probiotic if it is able to survive to the human gastrointestinal tract, where in order to reach the digestive tract, lactic acid bacteria has to be resistant to the low pH in the stomach and bile salts. The purpose of this study was to determine the level of resistance of lactic acid bacteria in kombucha tea against low pH and bile salts. This study uses 20 isolates, each of these isolates were tested to the resistance of low pH 2.0 and 0.5 % bile salts with incubation time of 4 hours. The results indicated that from 20 isolates of lactic acid bacteria that were obtained from kombucha tea, 15 isolates were resistant to low pH and 13 isolates were resistant to bile salts. The isolates have a huge potential to be developed as a probiotic candidate that can contribute greatly to the health of the digestive tract.

Study of Functional and Chemical Properties of Red Bean (Phaseolus vulgaris L.) Sprouts Flour Ni Wayan Wisaniyasa; I Ketut Suter
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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The purpose of this study was to determine functional and chemical properties of red bean (Phaseolus vulgaris L.) sprouts flour. The design used was Completely Randomized Design with three replications. The results showed that the germination of red beans for 2 days did not affect the functional properties of flour. Functional properties of red bean sprouts flour are: water absorption capacity of 145.35%, oil absorption capacity of 89.84%, swelling power of 3.06 g/g, and solubility of 22.30%. Germination process affect the chemical properties of sprouts flour, which is capable of increasing the ash content, protein content, antioxidant capacity, and dietary fiber but lower levels of antitrypsin activity, whereas no effect on water content, fat and carbohydrates content. Chemical properties of red bean sprout flour is water content of 6.84%, ash content of 4.53%, protein content of 17.59%, fat content of 6.22%, carbohydrate of 64.82%, antioxidant capacity 140,34 mg/Kg, dietary fiber of 32.23% and antitrypsin activity of 2983.59 mg/g sample.

The Potent of Aspergillus parasiticus to Produce Aflatoxin B1 on the Maize Flour During Storage Agus Selamat Duniaji; Made Indri Hapsari Arihantana; Ni Nyoman Puspawati
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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Aflatoxin B1 contamination caused by Aspergillus parasiticus and Aspergiluus Aspergillus flavus is a great concern in maize production worldwide. A. parasiticus infection and aflatoxin B1 contamination are usually found in maize and their processed during storage, distribution and processing. Aflatoxin B1 contamination in food and feed can cause the cancer diseases in animal and human. This research was aimed to determinate the potency of A. parasiticus to produce aflatoxin B1 in maize during storage 0, 5, 10 and 15 days. The research methods was using Completed Random Design (CRD) with three replicated. The research was investigation of a number of colony A. parasiticus in Petato Dextro Agar (PDA) and Aflatoxin B1 content by using Enzym Linked Immunosorbant Assay (ELISA). Result of research showed that A.parasiticus were susceptible to grow in maize flour and produce aflatoxin B1 during storage. The population of A. parasiticus in maize flour were 9.5 x 105 d in primary storage (0 days) that was the total colony were increasing .7 x 106 (storage 5 days), 2.5 x 107 (storage 10 days) and 1.5 x 108 cfu/g with storage 15 days A. parasiticus was a potent to produce aflatoxin B1 in myzena flour with total of aflatoxin B1 is 66.50 ppb of mayzena flour during storage 5 days , 46.40 ppb with 10 days storage, 57.00 ppb during storage 15 days and was not found in 0 days.

Antioxidant Activity of Lactobacillus spp as for Development of Antioxidantive Probiotic Komang Ayu Nocianitri; I Nengah Sujaya; Yan Ramona
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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Probiotics are live microorganisms which when administered in adequate amount confer health benefit to the host. Our previous studies revealed that Lactobacillsus spp isolated from infant feces potential to be developed as probiotics. Since the functionality of probiotic is strain specific, it is worth to screen the antioxidant activity of those lactobacilli, which will be developed as antioxidative probiotic. The aim of this study was to screen antioxidant activities of Lactobacillus spp isolated from infant feces. A numbers of 20 Lactobacillus spp strains isolated from infant feces were used in this study. The antioxidant activities was determined in in vitro studies by measuring the lipid peroxidation, hydroxyl radical scavenging activity, and ferrous chelating activity. The result showed that inhibitory activity of lipid peroxidation, hydroxyl radical scavenging activity, and ferrous chelating activity exerted by of Lactobacillus spp was 10.12 - 83.02%, 16,50-46,73%, and 3.94 - 44.52%, respectively. The Lactobacillus sp FBB 60 and Lactobacillus sp FBB 81 showed the high antioxidant activity compared to the others lactobacilli. The antioxidant activity of Lactobacillus sp FBB 60 were 61,20%, 46,37%, 31,54% and the activity of Lactobacillus sp FBB 81 were 57,01%, 29,31% 44,52 for the lipid peroxidation inhibitory activity, hydroxyl radical scavenging activity and ferrous chelating activity, respectively. This finding implied that the Lactobacillus sp FBB 60 and Lactobacillus sp FBB 81 are promising strain to be developed as antioxidative probiotic.

Antioxidant Activity of Lactobacillus spp as for Development of Antioxidantive Probiotic Komang Ayu Nocianitri; I Nengah Sujaya; Yan Ramona
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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Probiotics are live microorganisms which when administered in adequate amount confer health benefit to the host. Our previous studies revealed that Lactobacillsus spp isolated from infant feces potential to be developed as probiotics. Since the functionality of probiotic is strain specific, it is worth to screen the antioxidant activity of those lactobacilli, which will be developed as antioxidative probiotic. The aim of this study was to screen antioxidant activities of Lactobacillus spp isolated from infant feces. A numbers of 20 Lactobacillus spp strains isolated from infant feces were used in this study. The antioxidant activities was determined in in vitro studies by measuring the lipid peroxidation, hydroxyl radical scavenging activity, and ferrous chelating activity. The result showed that inhibitory activity of lipid peroxidation, hydroxyl radical scavenging activity, and ferrous chelating activity exerted by of Lactobacillus spp was 10.12 - 83.02%, 16,50-46,73%, and 3.94 - 44.52%, respectively. The Lactobacillus sp FBB 60 and Lactobacillus sp FBB 81 showed the high antioxidant activity compared to the others lactobacilli. The antioxidant activity of Lactobacillus sp FBB 60 were 61,20%, 46,37%, 31,54% and the activity of Lactobacillus sp FBB 81 were 57,01%, 29,31% 44,52 for the lipid peroxidation inhibitory activity, hydroxyl radical scavenging activity and ferrous chelating activity, respectively. This finding implied that the Lactobacillus sp FBB 60 and Lactobacillus sp FBB 81 are promising strain to be developed as antioxidative probiotic.

The effect of dietary seaweed of Caulerpa sp. and Gracilaria sp. on blood glucose levels and histological pancreas of diabetic rats. Ni Luh Ari Yusasrini; Luh Putu Trisna Darmayanti
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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The aim of this research was to determine the effect of dietary seaweed of Caulerpa sp. and Gracilaria sp. on blood glucose levels and histological pancreas of diabetic rats. A total of 28 male Wistar rats were used in this study. Rats were divided into 4 groups and given different diets i.e. PSN, PSA, PBN and PBS. Bioassay was conducted for 30 days. The analysis conducted on the macronutrient content of the seaweed flour as well as blood glucose levels on day 0, day 1 and day 30 after alloxan injection. At the end of the implementation of bioassay, animal surgery were performed and pancreas organs were taken for histology observation. The results showed that Gracilaria sp. and Caulerpa sp. had a crude fiber content respectively 20.48% and 12.47%. Blood glucose levels in all four groups of mice on day 0 ranged from 123.18 mg / dL - 131.96 mg / dL. Feeding PBN and PBS for 30 days lowered blood glucose levels of mice, respectively for 51.63% (from 384.4 mg / dL to 168.52 mg / dL) and 35.24% (from 328.05 mg / dL be 212.42 mg / dL). Histological observation showed that feeding PBN and PBS capable of helping the regeneration of pancreatic cells, thereby feeding both types of seaweed showed hypoglycemic effects in comparison with standard feed.

Application of pregelatinized suweg (Amorphopallus campanulatus BI) flour with moringa (Moringa oleifera) powder in noodles I Gusti Ayu Ekawati; Putu Timur Ina; I Desak Putu Kartika Pertiwi
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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Raw materials in the noodle processing vary widely, addition is made from flour, noodle can also be processed from tubers such as suweg. This study aims to apply the use of pregelatinized suweg flour with Moringa powder in the processing of noodles. Pregelatinized suweg flour is used as a substitution wheat flour by 50%. In addition to using pregelatinized suweg flour, Moringa leaf powder is applied as an additive to improve the nutritional value and appeal of a wet noodle. This study uses a randomized complete design with ratio pregelatinized suweg flour and moringa powder is 50: 0; 45: 5; 40:10; 35:15; 30:20. The parameters observed nutrient content and sensory properties of a noodle. Noodles with a ratio between pregelatinized suweg flour and Moringa powder 40: 10 have the best characteristics. The nutritional value of noodle is water content of 38.72%, ash content of 0.87%, 3.86% protein content, fat content 16.17% , and carbohydrate content 40.39%, and the color sensory criteria (rather like), aroma (rather like), texture (normal), taste (normal), and overall acceptance (normal).

Identification of Coloring Additives used in Jajan Sirat Production Sold at Pasar Umum Negara, District of Negara, Jembrana Regency, Bali Province I Komang Ari Andika; Putu Timur Ina; I Nengah Kencana Putra
Media Ilmiah Teknologi Pangan (Scientific Journal of Food Technology) Vol 3 No 1 (2016)
Publisher : Master Program of Food Science and Technology, Faculty of Agricultural Technology, Udayana University

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This study aimed to identify the types and doses of coloring additives used in the making of jajan Sirat which was sold at Pasar Umum Negara, Jembrana, Bali. Before taking samples, surveys and interviews were conducted to the traders and consumers regarding their understanding on coloring additives. The samples were taken from some traders at Negara public market, District of Negara, Jembrana, Bali. Then, the samples were prepared by using woolen thread absorption technique. Qualitative analytical procedure were conducted using chromatographic paper analysis, while quantitative analysis were conducted using spectrophotometer UV-VIS. Paper chromatography analysis showed, the samples contained restricted synthetic coloring substances (GN scarlet, orange G and sudan I) and allowed coloring substances (tartrazine, sunset yellow, karmoisin, amaranth, and eritrosin). Spectrophotometric analysis showed that most of samples contained coloring substances exceeding the prescribed dosage. The percentage of samples containing overdosed coloring substances was 58.33 %, whereas the percentage of samples containing coloring substances under permitted dosage was 16.67 %. The percentage of samples containing banned dye was 25.00 %.

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Abstract

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Contact Name
-

Contact Email
-

Phone
-

Journal Mail Official
-

Editorial Address
-

Location
Kota denpasar,

Bali

INDONESIA