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Jurnal Ilmu dan Teknologi Hasil Ternak
Published by Universitas Brawijaya
ISSN : 19780303     EISSN : 23381620     DOI : https://doi.org/10.21776/ub.jitek
Core Subject : Education, Agriculture,
Agriculture, Biological Sciences & Forestry Education Other
The journal will consider primary research and review articles from any source if they make an original contribution to the experimental or theoretical understanding and application of theories and methodologies of some aspects of animal products and technology-related field. It offers reader the opportunity to tap into the future of animal product technology. The journal reports advanced research results in food science, microbiology, biotechnology of animal products, functional food derived from animal products, and current findings in processing technology for animal products. Animal products include meat, dairy, poultry, insects and their by-products. It is essential reading for anyone needing to keep abreast of current findings in animal products and technology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Hewan dan Zoologi
Articles 521 Documents
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Kualitas Mayonnaise Menggunakan Sari Belimbing Wuluh (Averrhoa Bilimbi L.) Sebagai Pengasam Ditinjau dari Kestabilan Emulsi, Droplet Emulsi dan Warna
Jurnal Ilmu dan Teknologi Hasil Ternak Vol. 14 No. 1 (2019)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jitek.2019.014.01.3

Abstract

Penelitian ini bertujuan untuk menentukan persentase penggunaan sari belimbing wuluh (Averrhoa bilimbi L.) terbaik sebagai pengasaman pada mayonnaise berdasarkan kestabilan emulsi, droplet emulsi dan warna. Materi yang digunakan adalah mayonnaise yang dibuat dari kuning telur sebagai emulsifier, minyak kedelai, sari belimbing wuluh (SBW) sebagai pengasam, garam, gula, lada dan mustard. Metode penelitian adalah percobaan laboratorium menggunakan Rancangan Acak Lengkap (RAL) dengan 5 perlakuan dan 3 ulangan. Perlakuan dalam penelitian ini terdiri dari P0 sebagai kontrol tanpa penambahan SBW, P1 (5% SBW), P2 (10% SBW), P3 (15% SBW), dan P4 (20% SBW). Data dianalisis dengan analisis ragam (ANOVA) dan dilanjutkan dengan Uji Jarak Berganda Duncan (UJBD) jika ada perbedaan. Hasil penelitian menunjukkan bahwa penggunaan sari belimbing wuluh memberikan perbedaan yang sangat nyata (P <0,01) pada kestabilan emulsi, droplet emulsi dan warna. Hasil rata-rata pada kestabilan emulsi adalah 90,30%; 90,44%; 80,32%; 76,23%; 70,39%. Rata-rata diameter droplet emulsi mayonnaise adalah 1,10-12,67 µm, 2,14-21,69 µm, 2,74-21,69 µm, 3,03-36,60 μm, 2,26-38,97 µm. Rata-rata warna P0, P1, P2, P3 dan P4 pada warna Lightness (kecerahan) adalah 50,12; 51,53; 52,90; 55,00; 56,61, pada warna a * (kemerahan) adalah 20,35; 19.23; 18.41; 17.58; 15,76, dan warna b * (kekuningan) 35,74; 33,74; 32,21; 31,12; 29,29. Penelitian ini menyimpulkan bahwa penggunaan 5% sari belimbing wuluh pada pembuatan mayonnaise menghasilkan mayonnaise terbaik berdasarkan kestabilan emulsi, droplet emulsi dan warna. 
The Effect of Kluyveromyces Lactis Starter Concentration and Fermentation Time to the Physicochemical and Functional Properties of Egg White Powder
Jurnal Ilmu dan Teknologi Hasil Ternak Vol. 14 No. 2 (2019)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jitek.2019.014.02.6

Abstract

The process of making egg white powder would determine the qualities of the product. One way to maintain the qualities of the egg white powder could be done through egg white fermentation prior to drying. This research aims to understand the effect of Kluyveromyces lactis fermentation on egg white at different starter concentrations and fermentation time to the physicochemical and functional properties of the egg white powder. The research is conducted in a completely randomized design experiment with nested treatment. The K. lactis starter concentrations were divided into 3 groups (P1 = 0.2%; P2 = 0.4%; and P3 = 0.6%), and the fermentation times were divided into two groups (W1 = 12 hours; and W2 = 24 hours), with all treatments were repeated four times and nested on the starter concentration. The results showed that concentration K. lactis starter concentration and fermentation time did not give significant effect to the physicochemical and functional (pH, yield, solubility, water, ash, and carbohydrate content, and colours (L*, a*, b*)) properties, but increase the protein content of the egg white powder. The research concludes that egg white fermentation with 0.6% Kluyveromyces lactis concentration for 24 hours gave the best physicochemical and functional properties of the egg white powder.
The Effect of Different Starter Cultures of Lactobacillus paracasei M104 and Pediococcus pentosaceus M103 on the Physicochemical and Microbial Qualities of Fermented Goat Milk
Jurnal Ilmu dan Teknologi Hasil Ternak Vol. 14 No. 2 (2019)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jitek.2019.014.02.1

Abstract

The utilization of starter cultures is vital for dairy fermentation industries. Lactobacillus paracasei M104 and Pediococcus pentosaceus M103 have been isolated from goat milk and were demonstrated to acidify goat milk during fermentation. This study was conducted to compare the physicochemical and microbial qualities of goat milk fermented using these starter cultures either as a single starter or combined in goat milk. The treatments were L. paracasei M104 (Lp) and P. pentosaceus M103 (Pp) as single starter culture fermentation and combined (Lp/Pp) fermentation at a ratio of 1:1 at 6% inoculation (v/v). For control treatment, goat milk was fermented using yogurt starter, i.e., a combination culture of Streptococcus thermophilus and L. bulgaricus (St/Lb) at a ratio of 1:1 at 6% (v/v). The fermentation was performed by incubating the inoculated goat milk at 37°C for 18 h. The pH and degree of acidity were measured every 2 h during the fermentation process, whereas the physicochemical (pH, degree of acidity, lactose, protein, and viscosity) and microbial (total lactic acid bacteria/LAB) qualities were measured after the fermentation process. Data analysis revealed that the different starter cultures had no significant effect (P > 0.05) on the pH and degree of acidity, lactose and protein content, viscosity, and total LAB content. The goat milk fermented in this study had an average pH of 4.41 ± 0.11 and a degree of acidity of 1.26 ± 0.05%, a lactose content of 5.47± 0.80%, a protein content of 6.69± 1.52%, a viscosity of 1217 ± 395 cP, and a total LAB content of 9.57 ± 1.49 log CFU/mL. In conclusion, goat milk fermented using both single and combined starter cultures of L. paracasei M104 and P. pentosaceus M103 exhibited similar physicochemical and microbial qualities and required longer fermentation time compared with the control.
The Potential of Local Ginger as Antioxidant on Full Fat Mayonnaise
Jurnal Ilmu dan Teknologi Hasil Ternak Vol. 14 No. 2 (2019)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jitek.2019.014.02.3

Abstract

The aims of this study were to investigate the potential of local ginger for natural antioxidants on full-fat mayonnaise. The used materials were sunflower oil, vinegar, egg yolk, white pepper, salt, sugar, mustard, and local ginger extract. The study was done by using laboratory experimental with Nested Completely Randomized Design with 2 factors and 3 replications. The first factor was used three ginger varieties, namely elephant ginger/(Zingiber officinale var. Roscoe) (G), red ginger (M)/(Zingiber officinale var. Rubrum) and emprit ginger (E)/(Zingiber officinale var. Amarum). The second factor was the addition levels, which were 0.5% (a), 1% (b) and 1.5% (c). The observed variables include pH, viscosity, moisture content and antioxidant activity (IC50). Data were analyzed by using analysis of variance. The result showed that the used different ginger material and different levels of addition did not give significant effect (P>0.05) on pH analysis and gave highly significant effect (P<0.01) of the antioxidant activity, viscosity and moisture content. The study could conclude that mayonnaise added with red ginger showed physicochemical properties better than added with emprit ginger and gajah ginger. In addition, the best result was found in 1.5% ginger addition of each ginger variety in terms of physicochemical qualities of the mayonnaise.
The Effect of Probiotic in Milk Fermentation Towards Decreasing Cholesterol Levels: in Vivo Studies
Jurnal Ilmu dan Teknologi Hasil Ternak 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.2020.015.01.2

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.
Functional Properties of Casein Added with Catechin Extracted from Cocoa Husk
Jurnal Ilmu dan Teknologi Hasil Ternak Vol. 14 No. 2 (2019)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jitek.2019.014.02.7

Abstract

Casein is one of the major protein components in milk. Its functional properties allow casein to be preferred by the consumers. In addition, casein could be collected as bioactive compositions to be added to food. The purpose of this study was to observe the functional properties of casein added with catechin from cocoa husk in terms of emulsions, emulsion activity, foaming, solubility, and sedimentation. The treatment was carried out by using a completely randomized experimental design (CRD) method with five treatments of different catechin concentrations (control; 0.5%; 1,0%; 1,5%; 2%). The results of the study were analyzed with analysis of variance and followed with least significant difference (LSD) test. The different catechin concentrations gave a highly significant effect on emulsion stability, foaming and sedimentation and didn’t give a significant difference in solubility and emulsion activity between the five treatments. The best treatment in this research was at 2% catechin addition.
Quality of Goat Milk Cheese with Addition of Rice Bran oil Ripened Using Lactobacillus casei and Streptococcus thermophilus
Jurnal Ilmu dan Teknologi Hasil Ternak 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.2020.015.01.1

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.
Quality of Chicken Sausage Coated by Transglutaminase-Crosslinked Bovine Split Hide Gelatin and Soy Protein Isolate Edible Film During Chilled Storage
Jurnal Ilmu dan Teknologi Hasil Ternak Vol. 15 No. 3 (2020)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jitek.2020.015.03.2

Abstract

This research aims to determine the physical properties and the bacterial counts of chicken sausages that were given an edible coating made from a combination of bovine split hide gelatin and soy protein isolate with the addition of the enzyme transglutaminase during chilled storage. The parameters observed included, pH, moisture, protein content, weight loss, tenderness, and the bacterial counts. Data were analyzed with a completely randomized design (CRD) factorial pattern 4 x 4 with three replications. The first factor was the level of edible coating 0%, 5%, 10%, and 15%  w/vol. The s factor was the storage time at 10°C which was 0, 5, 10, and 15 d. The results showed the pH and moisture during storage decreased, while the protein content, weight loss, tenderness, and the bacterial count sausages increased. Increasing the level of edible coating to hold sausage weight loss, while the pH and bacterial count of chicken sausage decrease. Increase the level of edible coating adds to the water content, protein content, and sausage tenderness. The use of a combined edible coating of bovine split hide gelatin and soy protein isolate with the addition of the enzyme transglutaminase to 15% could maintain the quality of chicken sausage based on national standard during 15 dof chilled storage BSN-3820-2015.
The Effect of Different Plasticizers on the Characteristics of Whey Composite Edible Film
Jurnal Ilmu dan Teknologi Hasil Ternak 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.2020.015.01.4

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 Different Starter Cultures on the Fermentation of Yogurt Added with Aqueous Extract of White Oyster Mushroom (Pleurotus ostreatus)
Jurnal Ilmu dan Teknologi Hasil Ternak 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.2020.015.01.6

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). 

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