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All Journal Jurnal Sain Peternakan Indonesia Jurnal Ilmu Produksi dan Teknologi Hasil Peternakan Tropical Animal Science Journal Jurnal Ilmu Peternakan Terapan Jurnal Triton
Wihansah, R. R. S.
Politeknik Pembangunan Pertanian Bogor
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Energy Environmental Science Immunology & microbiology Social Sciences Veterinary

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Journal : Tropical Animal Science Journal

 1 
Anti-diabetic Potency and Characteristics of Probiotic Goat-Milk Yogurt Supplemented with Roselle Extract during Cold Storage R. R. S. Wihansah; I. I. Arief; I. Batubara
Tropical Animal Science Journal Vol. 41 No. 3 (2018): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, Bogor Agricultural University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (481.894 KB) | DOI: 10.5398/tasj.2018.41.3.191

Abstract

This study aimed to evaluate the anti-diabetic potency by in vitro method and the characteristics of probiotic goat-milk yogurt supplemented with roselle extract during cold storage. The experiment used three treatments namely yogurt, probiotic yogurt, and probiotic yogurt supplemented with roselle extract. Yogurt was stored in cold storage (4 oC) and was evaluated for the characteristics and anti-diabetic potency on days 0, 5, 10, and 15. The anti-diabetic potency was analyzed by a-glucosidase inhibitory activity. The results showed that goat milk in this study had a good quality including fat, SNF, protein, lactose content, density, and freezing point. Roselle extract had anti-diabetic potency with 87.72% inhibition at 25% concentration and also had 13.64% IC50 value. The anti-diabetic potency was affected by the type of yogurt, storage duration, and their interaction (P<0.05). Viscosity and water activity were affected by storage duration (P<0.05), meanwhile titratable acidity and pH value were affected by the type of yogurt. Total lactic acid bacteria were affected by storage duration, and there was an interaction between the type of yogurt and storage duration. In conclusion, probiotic yogurt supplemented with roselle extract had the highest anti-diabetic potency among all treatments with 36.70% inhibition. The inhibitory activity of probiotic yogurt supplemented with roselle extract decreased during 15 days of cold storage. The inhibition was comparable with acarbose at 0.1-0.5 ppm concentration. Physical, chemical, and microbiological characteristics of yogurt in this study were good and could be consumed up to 15 days of cold storage.
Nutritive Value, Digestibility, and Gas Production of Pennisetum purpureum Silage Supplemented with Saccharomyces cerevisiae and Lactobacillus plantarum Riyanti, L.; Zahera, R.; Kisworo, A. N.; Wihansah, R. R. S.; Febriza, G.
Tropical Animal Science Journal Vol. 47 No. 3 (2024): Tropical Animal Science Journal
Publisher : Faculty of Animal Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5398/tasj.2024.47.3.312

Abstract

The purpose of this study was to evaluate the use of Saccharomyces cerevisiae and Lactobacillus plantarum as silage additives and their combinations on the physico-chemical and microbiological quality of Pennisetum purpureum cv. Mott silage and assess fermentation characteristics, digestibility, and in vitro gas production. The experiment used a completely randomized design with 4 treatments and 5 replications. The treatments are: T0= dwarf elephant grass silage + 3% molasses, T1= T0 + S. cerevisiae, T2= T0 + L. plantarum, and T3= T0 + S. cerevisiae + L. plantarum. Variables measured were organoleptic, physical, microbial, nutrient composition, in vitro fermentation characteristics and nutrient digestibility, as well as total gas and methane productions. The result showed that all silages had good physical quality, low pH (<3.8) and NH3 content, and high fleigh point. Inoculants decreased the percentage of dry matter, crude protein, ether extract (p<0.05), increased crude fiber, and decreased the composition of nitrogen-free extract and non-fiber carbohydrate (p<0.05) but it was able to increase Ca and P. Total gas production of T0 was the highest among treatments, while the T3 had the lowest total gas and methane productions (p<0.05). The supplementation of S. cerevisiae and L. plantarum as a silage improved organoleptic, physical, and microbiological qualities. Although the nutrient composition did not increase significantly, the combination of 2 (two) inoculants was able to improve fermentation activity in the rumen, increase total volatile fatty acid (VFA), dry matter and organic matter digestibility, reduce total gas production and the ratio of methane gas production to VFA.
Co-Authors A. K. Sio A. Y. Oktaviana Arif Nindyo Kisworo D. Murtini Febriza, G. Harry, Harry I. Batubara I. I. Arief J. K. Negara Kisworo, A. N. M. Arifin M. Arifin M. Arifin M. S. Soenarno M. Yusuf M. Yusuf Maya Purwanti Negara, J. K. Oktaviana, A. Y. Q. Alifiya RIFKHAN RIFKHAN Riyanti, L. S. Prabowo Salundik Sio, A. K. Tyalif Gibran Takapaha Wahyuningsih Wahyuningsih Zahera, R.