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Jurnal Ilmu dan Teknologi Hasil Ternak
Published by Universitas Brawijaya
ISSN : 19780303     EISSN : 23381620     DOI : 10.21776/ub.jitek.
Core Subject : Science, Education,
Computer Science & IT Other
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) is published by Department of Animal Product Technology, Faculty of Animal Science, University of Brawijaya, Malang, Indonesia. JITEK is a peer reviewed biannual journal (April and October) that mediate the dissemination of researchers in animal product, food science, food microbiology, food biotechnology, animal product as functional food and current findings in animal food sciences and technology.
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Articles 237 Documents
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Quality of Goat Milk Cheese with Addition of Rice Bran oil Ripened Using Lactobacillus casei and Streptococcus thermophilus Nurliyani Nurliyani; Indratiningsih Indratiningsih; Widodo Widodo; Endang Wahyuni
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 15 No. 1 (2020)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (518.751 KB) | DOI: 10.21776/ub.jitek.2020.015.01.1

Abstract

This study aimed to determine the effect of rice bran oil (RBO) addition on the microbiological, chemical, physical and sensory qualities of goat milk cheese ripened using  Lactobacillus casei FNCC 0090 and Streptococcus thermophilus FNCC 0040. Cheese was prepared from goat's milk with a starter of Lactobacillus casei and Streptococcus thermophilus and rennet as coagulant. Cheese was divided into four groups: 1) ripened cheese without RBO stored for 0 d, 2) ripened  cheese without RBO stored for 30 d, 3) ripened cheese + RBO stored for 0 d and  4) ripened cheese + RBO stored for 30 d. The results showed that the addition of RBO and ripening did not affect on the total number of lactic acid bacteria (LAB) of the cheese (their total number were in the range of 2.60-4.21x107 CFU/g). The acidity of cheese without RBO after ripening was higher (p<0.05) than without  ripening. Therefore, the pH value of cheese with the addition of RBO was higher than the cheese without RBO. The addition of RBO had no effect on moisture content of cheese, but the moisture content decreased (p<0.05) after ripening. Meanwhile, the addition of RBO could reduce their soluble protein. Cheese added with RBO had a harder texture (p<0.05) than cheese without RBO. Sensory quality of cheese was not influenced  by the addition of RBO, but the saltiness of cheese with RBO was higher than without RBO and had no bitter in  taste. In conclusion, RBO had no negative effect on the flavor and acceptability of the cheese and the growth of  LAB, could increase cheese hardness, but could decrease the acidity and soluble protein in the cheese. However, the cheese with the addition of RBO ripened using starter consisting of Lactobacillus casei FNCC 0090 and Streptococcus thermophilus FNCC 0040 could be potentially classified as probiotic cheese which is beneficial for health.
The Effect of Different Starter Cultures on the Fermentation of Yogurt Added with Aqueous Extract of White Oyster Mushroom (Pleurotus ostreatus) Sjaloom Sakul; Djalal Rosyidi; Lilik Eka Radiati; Purwadi Purwadi
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 15 No. 1 (2020)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (644.113 KB) | DOI: 10.21776/ub.jitek.2020.015.01.6

Abstract

The objective of this study was to evaluate the effect of different starter cultures on the fermentation of yogurt added with aqueous extract of white oyster mushroom (Pleurotus ostreatus) whether each starter culture respond differently. This study used a completely randomized design (CRD) with 3 treatments and 4 replications. Yogurt was made with one of the starter cultures as treatment: Streptococcus thermophilus (ST), Lactobacillus acidophilus (LA), or Lactobacillus bulgaricus (LB). Data were analyzed using analysis of variance followed by the least significant difference test. The variables tested were pH, total acid content, viscosity and total lactic acid bacteria. The results showed that yogurt made with ST had lower pH and total acid than the others. The use of LB resulted in higher total acid content. The addition of different starter cultures in yogurt did not influence viscosity. Among starter cultures, the use of LA resulted in higher total lactic acid bacteria (LAB) than the others. However, the number of LAB from different treatments were not much different (within the range of 7 log CFU/mL). It is suggested that the three starter cultures are adaptive and capable to fermenting yogurt added with aqueous extract of white oyster mushroom (Pleurotus ostreatus). 
The Effect of Probiotic in Milk Fermentation Towards Decreasing Cholesterol Levels: in Vivo Studies Ria Dewi Andriani; Premy Puspitawati Rahayu; Mulia Winirsya Apriliyani
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 15 No. 1 (2020)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (452.172 KB) | DOI: 10.21776/ub.jitek.2020.015.01.2

Abstract

Hypercholesterolemia is a disease that is indicated by the increasing level of cholesterol in the body and also as one of the factors causing cardiovascular disease. An alternative that can be done to prevent hypercholesterolemia is by consuming fermented milk. Skim milk is fermented using probiotic of Lactobacillus acidophillus, Lactobacillus plantarum and Streptococcus thermophilus. The skimmed milk that has been fermented is then tested for total lactic acid bacteria, total acid, pH, and in vivo analysis for antihypercholesterolemia activity using animal model. In this study, the animal models used were male white rats which were grouped into three treatment groups, namely negative control, positive control, and fermented milk group. The result of the study shows that the total lactic acid bacteria, total acid and pH of fermented skim milk were 5.25 x109 CFU/ml; 2.190% and pH 4.06, respectively. From the results, fermented milk with probiotics has the ability to reduce cholesterol levels in the blood of male white rats effectively in vivo.
The Effect of Skim Milk Concentration on Sensory Quality and pH of Probiotic Yoghurt Added with Red Dragon Fruit (Hylocereus polyrhizus) Asterias Hafiizha; Indira Lanti Kayaputri; Tensiska Tensiska; Nur Risma Amalia
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 15 No. 1 (2020)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jitek.2020.015.01.7

Abstract

Probiotic yoghurt is one of dairy products that has benefits to the human health. This research aimed to understand the effect of skim milk concentration on the sensory quality traits and pH of probiotic yoghurt added with red dragon fruit (Hylocereus polyrhizus) dices prior to the fermentation. The research method was experimental method with 4 treatments and 3 replications in a completely randomized group design. The data were analyzed using one-way analysis of variance followed by Duncan’s multiple range test at P<0.05. The treatment in this research was different addition levels of skim milk (3%, 5%, 7%, and 9%) to yoghurt. The pH, color, aroma, taste, texture, viscosity and overall acceptance were assessed. The addition of skim milk increased (P<0.05) the acceptability of flavor, texture, viscosity and overall acceptance, in which the addition of skim milk at 9% showed the highest acceptability of taste. However, different addition level of skim milk did not significantly affect pH and the acceptability of color and aroma of yoghurt. The pH of yogurt ranged from 4.06 to 4.26. In addition, the color and aroma of yogurt were in the scale of neither like or dislike, the texture was in the scale of dislike to like, taste, viscosity and overall acceptance were in the scale of dislike to neither like nor dislike. In conclusion, skim milk should be used for producing yogurt with red dragon fruit at 9% of whole milk to obtain acceptable product.
Texture, Color, Vitamin C and Reducing Sugar Content of Milk Toffee Added with Dracaena angustifolia Leaves Aqueous Extract as Natural Colorant Herly Evanuarini; Dicky Tri Utama; Firman Jaya
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 15 No. 1 (2020)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (585.893 KB) | DOI: 10.21776/ub.jitek.2020.015.01.3

Abstract

The leaf of Dracaena angustifolia has been used widely not only as natural food colorant but also as a natural source of vitamin C. The objective of this study was to obtain the best addition level of Dracaena angustifolia leaves aqueous extract as natural food colorant for milk toffee based on its effect on texture, color, vitamin C and reducing sugar content. Milk toffee was formulated with different addition levels of Dracaena angustifolia leaves aqueous extract as treatment; 3%, 4%, 5%, 6% on weight/milk volume basis, and compared to control (0%). Higher addition level of Dracaena angustifolia leaves aqueous extract to milk toffee resulted in higher (P<0.01) L*, a*, b* values, and softer texture. Vitamin C and reducing sugar content were increased by the addition of 4% extract. However, there were no further differences on vitamin C and reducing sugar content when the addition level was increased up to 6%. Therefore, among treatments, the highest addition level used in this study (6%) is suggested as the best addition level according to texture, color, vitamin C content and reducing sugar content of milk toffee. The addition of natural food colorant, which contains antioxidant, e.g. Dracaena angustifolia leaves aqueous extract, also promotes the diversification of milk toffee.
The Effect of Different Plasticizers on the Characteristics of Whey Composite Edible Film Fahrullah Fahrullah; Lilik Eka Radiati; Purwadi Purwadi; Djalal Rosyidi
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 15 No. 1 (2020)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (641.326 KB) | DOI: 10.21776/ub.jitek.2020.015.01.4

Abstract

The edible film is a protective coating that could be directly applied to food products. This research aims to observe the physical characteristics of whey composite edible film with different plasticizer addition (glycerol, sorbitol, polyethylene glycol). The research was conducted as a laboratory experiment and the observed variables were film thickness, tensile strength, elongation at break, water vapor transmission rate (WVTR), and followed with microstructure observation. The research was conducted in a completely randomized design and analyzed with analysis of variance (ANOVA) followed with the least significant difference (LSD) test. The physical measurement of the edible film showed that the thickness was at 0.0286-0.0308 mm, the tensile strength was at 5.72-8.20 N, the elongation at break was around 28.66-57.5%, and the WVTR was at 7.63-7.96 g/m2.day. Moreover, the microstructure observation showed that the molecules in the edible film were evenly distributed.
The Effect of Ananas comucus Extracted Bromelain Enzyme Addition Under Different pH on the Physicochemical Properties of Cottage Cheese Sylvia Komansilan; Djalal Rosyidi; Lilik Eka Radiati; Purwadi Purwadi
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 15 No. 1 (2020)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (280.957 KB) | DOI: 10.21776/ub.jitek.2020.015.01.5

Abstract

The research aims to analyse the effect of bromelain enzyme addition from Ananas comucus under different pH condition to the physicochemical properties of cottage cheese. The observed variables include protein, fat, moisture, ash and cheese yield. The research was conducted in a completely randomized design with 4 treatments (K1 = pH 4.5; K2 = pH 4.6; K3 = pH 5.4; and K4 = pH 5.5) and 4 replications. All of the data were analysed with analysis of variance (ANOVA) and followed with least significant difference (LSD) test. The results showed that the bromelain addition under pH 4.6 showed the best physicochemical properties of cottage cheese that had lowest fat content (0.67 ± 0.53 %) and highest yield (18.15 ± 0.22 %) compared to other pH condition, while the protein and ash content did not show any significant difference on all pH condition.
Penggunaan Tepung Beras dan Gula Merah Pada Pembuatan Petis Daging Fani Yunita Pratiwi; Agus Susilo; Masdiana Chendrakasih Padaga
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 10 No. 2 (2015)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (695.032 KB) | DOI: 10.21776/ub.jitek.2015.010.02.1

Abstract

This present work aimed to study the proper concentration of rice flour and palm sugar to produced delighted meat paste based on from phisical, chemical and organoleptic properties. Factorial Randomized Block design was used in the experiment. Meat Broth was supplemented with 2% (A1), 4% (A2), and 6% (A3) of rice flour and supplemented with 10% (B1), 15% (B2), and 20% (B3) of palm sugar to produce meat paste. The meat paste was evaluated for starch content, protein content, viscosity and organoleptic properties. The best result from the experiment was analyzed for Amino Acid Profiles.The Result showed that the addition of rice flour and the palm sugar significantly influenced the quality of meat paste. The combination of these treatments gave a highly significant effect on the viscosity, flavour, colour and taste. The best quality meat paste was obtained from the meat broth supplemented with rice flour 2% (w/v) and 6% (w/v) of palm sugar. The best quality meat paste produced in this study has starch content of 43.03%; viscosity 127.33 centi poise; protein content 13.39%; flavour 6.03; colour 6.25 and taste 5.77.
Characteristic of “Betutu Chicken ”in Many Different Packaging Stored at 50C Suciani Suciani; Ida Ayu Okarini; Made Dewantari; Anak Agung Oka
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 4 No. 2 (2009)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (89.262 KB)

Abstract

“Betutu chicken” (whole chicken) is traditional Balinese food. Originally was cooked for ritual offerings, but recently this food was one of the menu in hotels or restaurants in Bali. Research was carried out using completely randomized design (CRD) with 3 different packaging treatment, such as treatment one was using alumunium foil, treatment too using banana leaf and alumunium foil and treatment three using “Upih” and alumunium foil. Whole chicken was squeezed with salt and tamarin, and then wash with water. Put into the cavity of the chicken all spices and ½ glass of cooking oil, close the cavity and wrap up according to the treatment then cooked in the live coal for (8 – 11) hours. After cooked and then stored at 50 C. the organoleptic test showed that this product keep for 7 days in 50 C still can safe and excepted by the consumen with organoleptic score between 6.0 – 7.0 in overall. Objective test showed that (p<0.05) for 3 treatment to pH (6.2 – 6.4), water content (44 – 48)%, water holding capacity 68 – 70% and total aerobic count 4.503 – 5.041 cfu/g.   Keywords: Betutu chicken, Alumunium foil, “Upih”, Banana Leaf, Storage 50 C
Pengaruh Gum Arab Pada Minuman Madu Sari Apel Ditinjau Dari Mutu Organoleptik, Warna, pH, Viskositas, dan Kekeruhan Martha Anggraeni Christiana; Lilik Eka Radiati; Purwadi Purwadi
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 10 No. 2 (2015)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (257.641 KB) | DOI: 10.21776/ub.jitek.2015.010.02.5

Abstract

Apple concentrated honey drink was modified product from fresh honey with apple concentrated to increase the taste, but there was aglutination because of pectin and tannin in apple concentrated and needed stabilizer as gum arabic. The purpose of this research was to find out the best consentration of gum arabic on apple concentrated honey drink in terms of taste, arorganoleptic (taste and aroma), color (L*, a*, b*), pH, viscosity, and turbidity. The treatments were without gum arabic (P0); gum arabic 0.05% (P1); gum arabic 0.1% (P2); and gum arabic 0.15% (P3). The method of this research was experiment with Completely Randomized Design (CRD) by using 4 treatment and 4 times replication. The data were analyzed by ANOVA and would be continued by Duncan’s Multiple Range Test (DMRT). The result of this research showed that consentration of gum arabic gave highly significant different effect on aroma, pH, viscosity, and turbidity, gave significant different effect on yellowness (b*), and gave no different effect on taste, lightness (L*) and redness (a*). Conclusion of this research was the adding of gum arabic 0.15% (P3) on apple concentrated honey drink gave the best quality of apple concentrated honey drink for taste 4.54±0.65, aroma 6.00±1.01, lightness (L*) 21.73±0.43, redness (a*) 9.78±0.76, yellowness (b*) 5.68±0.80, pH 6.68±0.13, viscosity 1.112±0.003 cP, and turbidity 165.13±1.55 NTU.

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