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All Journal Jurnal Ilmu dan Teknologi Hasil Ternak JOSAR (Journal of Students Academic Research)
Agustina Widyasworo Kunharjanti
Program Studi Ilmu Ternak Fakultas Peternakan Universitas Islam Balitar
Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Education Electrical & Electronics Engineering Other

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Quality of Preservative Smoked Beef using Different Smoked Method Imam Thohari; Eny Sri Widyastuti; Agustina Widyasworo Kunharjanti; Mohamad Agustomo
Jurnal Ilmu dan Teknologi Hasil Ternak (JITEK) Vol. 8 No. 2 (2013)
Publisher : Faculty of Animal Science Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (226.693 KB) | DOI: 10.21776/ub.jitek.2013.008.02.3

Abstract

The purpose of the study was to determine the effect of the smoking traditional and liquid smoking on the quality of smoked beef in terms of the levels of phenol, TBA number, and total microbes. The research method was experiment with completely randomized design pattern factorial (2x3). The first treatment were the preservation of beef with traditional smoked methods and preservation beef with liquid smoked method. The second treatment were the time of storage, namely 0 day, 2 days and 4 days. Each treatment was repeated 3 times. The results showed that the curing method was highly significant (p <0.01) on phenol content and the total microbes, and gave no affect to the TBA number. The highest levels of phenols obtained by the method of liquid smoked with time storage time of 4 days. TBA value and lowest total microbial were obtained from liquid smoked with time storage of 0 day. The conclusion that liquid smoked method was better than the traditional smoked method. Key words: phenol, TBA value, microbial, meat smoke
Correlation of Sex, Age and Carcass Weight of Simmental-PO Cattle in the Slaughterhouse, Sukorejo District, Blitar City, East Java Salnan Irba Novaela Samur; Agustina Widyasworo Kunharjanti
JOSAR (Journal of Students Academic Research) Vol 8 No 2 (2023): September
Publisher : Universitas Islam Balitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/josar.v8i2.3141

Abstract

The objective of this study is to describe the correlation between age and sex in relation to the carcass weight of Simental-PO cattle that are slaughtered at the slaughterhouse (RPH) in the Sekorejo District of Blitar City, located in East Java. The investigation was conducted in July of 2023. The study utilized 20 male and 10 female Simental-PO cattle that were slaughtered at the Sukorejo District Slaughterhouse, located in the Blitar Regency. The employed study methodology entails the utilization of the direct observation approach. The obtained data was subsequently analyzed using SPSS 22 software and afterwards subjected to statistical tests like the Pearson Bivariate Correlation Test and Multiple Linear Regression Test. The findings obtained from the bivariate Pearson correlation analysis indicated a statistically significant correlation between sex and carcass weight. However, no statistically significant correlation was seen between age and carcass weight. The regression analysis reveals that the variables of gender and age account for only 31.3% of the variation in carcass weight. The resulting regression equation is Y = 17.887 + 69.943X1 + 15.994X2. The research indicated a significant correlation between gender and carcass weight, while age does not exhibit a significant correlation with carcass weight. Therefore, further studies are warranted to explore the influence of factors besides age and gender on Simmental-PO beef carcass weight.
The Role of Lactobacillus plantarum in Enhancing the Physical Quality and pH of Water Hyacinth (Eichhornia crassipes) Silage Agustina Widyasworo Kunharjanti; Agung Setya Wibowo; Muhammad Aldi Zulkarnain
JOSAR (Journal of Students Academic Research) Vol 10 No 2 (2025): September
Publisher : Universitas Islam Balitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35457/qpn9fq44

Abstract

This research investigated the impact of supplementing water hyacinth (Eichhornia crassipes) silage with Lactiplantibacillus plantarum on its physical properties (pH, odor, texture, color, and fungal growth) as well as palatability. A Completely Randomized Design (CRD) was employed with three treatments and six replications: P0 (control, no L. plantarum), P1 (L. plantarum at 10⁵ CFU/ml), and P2 (L. plantarum at 10⁶ CFU/ml). The variables measured were pH, color, aroma, texture, fungal presence, and palatability. Findings revealed that L. plantarum supplementation significantly influenced (p < 0.05) the color of the silage, but had no significant effect on pH, aroma, texture, fungal development, or palatability. The mean pH values for P1 and P2 were 4.1 and 4.2, respectively, compared with 4.0 in P0. In terms of palatability, P2 produced the highest intake (201.5 g), followed by P1 (118.6 g), whereas P0 showed minimal consumption. Overall, the results suggest that higher concentrations of L. plantarum improve the visual quality of water hyacinth silage, but provide limited enhancement of other physical attributes and palatability.
Co-Authors Agung Setya Wibowo Imam Thohari Mohamad Agustomo Muhammad Aldi Zulkarnain Salnan Irba Novaela Samur