한국인의 분변으로부터 내산소성 균주의 분리 , 동정 및 분리 균주의 특성

서지정보

ㆍ발행기관 : 한국식품영양학회 ㆍ수록지정보 : 한국식품영양학회지 / 10권 / 1호
ㆍ저자명 : 김재웅, 김동희, 이서구

영어 초록

Bifidobacteria have been known as beneficial inhabitant of human intestine. Therefore, bifidobacteria began to be noticed as a starter inthe manufacture of fermented dairy products. Perhaps the key for effective use of bifidobacteria in commercial dairy products is the maintenance of viability of bifidobacteria during large scale preparation of starter culture and distribution of products. So we tried to obtain the bifidobacteria having suitable characteristics for using as a starter in the manufacture of fermented dairy products. Among bifidobacteria isolated from Korean, E-4 strain showed the highest resistance to oxygen. To know whether the selected strain will be fit for manufacture of fermented dairy products, we also investigated resistance of the selected strain to HCl. The selected strain, E-4, was more resistant to environmental stresses such as oxygen, H_2O_2 and HCL than Bifidobacterium longum known as resistant strain to environmental stresses. According to carbohydrate fermentation patterns and morphological characteristics, E-4 strain was identified as B. bifidum. In conclusion, the selected strain, E-4, was thought to be fit for manufacture of fermented dairy products.

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