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Optimization for the Production Factors of Cellulolytic Enzymes of a Fungus, Strain FJ1 by Response Surface Methodology  

김경철 (전남대학교 공과대학 환경공학과)
유승수 (전남대학교 공과대학 환경공학과)
오영아 (전남대학교 공과대학 환경공학과)
이용운 (전남대학교 공과대학 환경공학과)
전선용 (전남대학교 공과대학 환경공학과)
김성준 (전남대학교 공과대학 환경공학과)
Publication Information
KSBB Journal / v.17, no.2, 2002 , pp. 195-202 More about this Journal
Abstract
The production conditions of cellulolytic enzymes by a fungus, strain FJ1, were optimized using response surface analysis. The culture factors which largely affected the production of enzymes such as cultivation time, carbon source concentration, nitrogen source concentration, and composition ratio of carbon sources were employed. Optimizedconditions of the factors above corresponding to each cellulolytic enzyme production were as fellowing: CMCase production was obtained in the conditions of cultivation time of 5.4 days, carbon source concentration of 3.5%, nitrogen source concentration of 0.6%, and composition ratio of carbon sources of 52:48 (avicel:CMC), xylanase appeared in the conditions of 5.3 days, 3.5%, 0.8%, and 54:46, respectively, and $\beta$-glucosidase were 7.0 days, 5.0%, 1.0%, and 83:17, respectively, and avicelase were 6.5 days, 4.0%, 0.9%, and 64:36, respectively. The activities of CMCase, xylanase, p-glucosidase, and avicelase predicted by the response surface methodology were 33.5, 52.6, 2.88, and 1.84 U/mL, respectively, and $\beta$-glucosidase activity was enhanced up to 74% when compared to that obtained in the experimental conditions.
Keywords
fungus; response surface methodology; CMCase; xylanase; ${\beta}$-glucosidas; avicelase; optimization saccharification;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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