지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
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The β-glucosidase (E.C. 3.2.1.21) production capabilities of lactic acid bacteria isolated from a variety of kimchi (fermented vegetables) were examined. When grown in a medium containing cellobiose as carbon source, most lactic acid bacteria showed significantly higher intracellular levels of β-glucosidase than the extracellular levels. A maximum intracellular β-glucosidase activity of 3.7±0.5 (unit/mg protein) was obtained in the case of Weissella cibaria KFRI88010 isolated from kimchi. The optimum reaction conditions for W. cibaria KFRI88010 β-glucosidase activity were pH 5.0 and 37oC, and addition of divalent cations to the reaction mixture resulted in a notable decrease in enzyme activity. The β-glucosidase activity was enhanced twofold when W. cibaria KFRI88010 was grown in a medium containing fructose as compared with to a medium containing glucose or cellobiose.
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