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Microbiology and Biotechnology Letters

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Microbiol. Biotechnol. Lett. 2001; 29(2): 110-114

Probiotics용 복합효소 분비 Bacillus sp.의 분리 및 원료사료를 이용한 균주 생산을 위한 배지 조건의 최적화

Isolation of Bacillus sp. Producing Multi-enzyme and Optimization of Medium Conditions for Its Production Using Feedstuffs for Probiotics

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Isolation of BacilLus sp. producing multi-enzyme and optimization of medium conditions for its production using feedstuffs for probiotics were carried out in this study. A bacterium isolated from natural resources, namely Bacillus subtilis 4-3, has multi-enzyme activity (phytase. cellulase, xylanasc, protease, and amylase. In the culture of B. subtilis 4-3 using soybean meal and rice bran. relatively low phytate degradation was noted using whereas high phytate degradability was observed with wheat bran (80.63%). The optimal composition of medium using feedstuffs was 1.0% (w/v) soybean meal and 2% (w/v) molasses to yield high cell growth.

Keywords: Bacillus subtilis, probiotics, multi-enzyme activity

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