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논문 기본 정보

자료유형
학술저널
저자정보
Han, Keguang (College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Shanxi Province) Cao, Jing (Department of Animal Husbandry and Veterinary Medicine, Beijing Vocational College of Agriculture) Wang, Jinghui (Shanxi Entry-Exit Inspection and Quarantine Bureau) Chen, Jing (College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Shanxi Province) Yuan, Kai (College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Shanxi Province) Pang, Fengping (National Institutes for Food and Drug Control) Gu, Shaopeng (College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Shanxi Province) Huo, Nairui (College of Animal Science and Veterinary Medicine, Shanxi Agricultural University, Shanxi Province)
저널정보
한국축산식품학회 한국축산식품학회지 한국축산식품학회지 제38권 제6호
발행연도
2018.1
수록면
1,144 - 1,154 (11page)

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Both the calcium and collagen in bone powder are hard to be absorbed by the body. Although enzymatic hydrolysis by protease increased the bio-availability of bone powder, it was a meaningful try to further increase $Ca^{2+}$ release, oligopeptide formation and antioxidant activity of the sheep bone hydrolysate (SBH) by lactic acid bacteria (LAB) fermentation. Lactobacillus helveticus was selected as the starter for its highest protease-producing ability among 5 tested LAB strains. The content of liberated $Ca^{2+}$ was measured as the responsive value in the response surface methodology (RSM) for optimizing the fermenting parameters. When SBH (adjusted to pH 6.1) supplemented with 1.0% glucose was inoculated 3.0% L. helveticus and incubated for 29.4 h at $36^{\circ}C$, $Ca^{2+}$ content in the fermented SBH significantly increased (p<0.01), and so did the degree of hydrolysis and the obtaining rate of oligopeptide. The viable counts of L. helveticus reached to $1.1{\times}10^{10}CFU/mL$. Results of Pearson correlation analysis demonstrated that LAB viable counts, $Ca^{2+}$ levels, obtaining rates of oligopeptide and the yield of polypeptide were positively correlated with each other (p<0.01). The abilities of SBH to scavenge the free radicals of DPPH, OH and ABTS were also markedly enhanced after fermentation. In conclusion, L. helveticus fermentation can further boost the release of free $Ca^{2+}$ and oligopeptide, enhance the antioxidant ability of SBH. The L. helveticus fermented SBH can be developed as a novel functional dietary supplement product.

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