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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제21권 제9호
- 발행연도
- 2011.1
- 수록면
- 947 - 953 (7page)
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초록· 키워드
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A fungal strain, Aspergillus terreus strain GA2, isolated from an agricultural field cultivating sweet sorghum,produced feruloyl esterase using maize bran. In order to obtain maximum yields of feruloyl esterase, the solid state fermentation (SSF) conditions for enzyme production were standardized. Effective feruloyl esterase production was observed with maize bran as substrate followed by wheat bran, coconut husk, and rice husk among the tested agro-waste crop residues. Optimum particle size of 0.71-0.3 mm and moisture content of 80% favored enzyme production. Moreover, optimum feruloyl esterase production was observed at pH 6.0 and a temperature of 30oC.
Supplementation of potato starch (0.6%) as the carbon source and casein (1%) as the nitrogen source favored enzyme production. Furthermore, the culture produced the enzyme after 7 days of incubation when the C:N ratio was 5. Optimization of the SSF conditions revealed that maximum enzyme activity (1,162 U/gds) was observed after 7 days in a production medium of 80% moisture content and pH 6.0 containing 16 g maize bran [25% (w/v)]of particle size of 0.71-0.3 mm, 0.6% potato starch, 3.0%casein, and 64 ml of formulated basal salt solution. Overall,the enzyme production was enhanced by 3.2-fold as compared with un-optimized conditions.
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참고문헌 (24)
참고문헌 신청
[학술지(정기
Aguilar, C. N / 2001 / Induction and repression patterns of fungal tannase in solid state and submerged cultures / Process Biochem 36 : 565 ~ 570
Aguilar, C. N. / 2001 / Production of tannase by Aspergillus niger Aa- 20 in submerged and solid state fermentation: Influence of glucose and tannic acid / J. Ind. Microbiol.
Asther, M / 2002 / Feruloyl esterase from Aspergillus niger - A comparison of the production in solid state and submerged fermentation / Process Biochem 38 : 685 ~ 691
Benoit, I / 2006 / Feruloyl esterases as a tool for the release of phenolic compounds from agro-industrial by-products / Carbohydr. Res 341 : 1820 ~ 1827
Aguilar, C. N / 2001 / Induction and repression patterns of fungal tannase in solid state and submerged cultures / Process Biochem 36 : 565 ~ 570
Aguilar, C. N. / 2001 / Production of tannase by Aspergillus niger Aa- 20 in submerged and solid state fermentation: Influence of glucose and tannic acid / J. Ind. Microbiol.
Asther, M / 2002 / Feruloyl esterase from Aspergillus niger - A comparison of the production in solid state and submerged fermentation / Process Biochem 38 : 685 ~ 691
Benoit, I / 2006 / Feruloyl esterases as a tool for the release of phenolic compounds from agro-industrial by-products / Carbohydr. Res 341 : 1820 ~ 1827
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