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分批补料合成纤维素酶扩大试验(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2004年01期
Page:
9-12
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Cellulase Production by Fed-batch Fermentation
Article ID:
1000-2006(2004)01-0009-04
Author(s):
YONG QiangXU YongSONG Xiang-yangYAO Chun-caiYU Shi-yuan
College of Chemical Engineering Nanjing Forestry University,Nanjing 210037,China
Keywords:
Trichoderma reeseiCellulaseFed-batch fermentation
Classification number :
TQ920.L
DOI:
10.3969/j.jssn.1000-2006.2004.01.002
Document Code:
A
Abstract:
Batch cellulase production with 15 g/L sulfite pulp in 10 L fermenter by Trichoderma reesei,the filter paper activity,cellobiase activity,cellulase productivity and cellulase yield were 2.15 FPIU/mL,0.20 IU/mL,16.3 FPIU/(L·h) and 143.4 FPIU/g pulp,respectively;Raising substrate concentration from 15 g/L to 27.5 g/L with a fed-batch mode,the filter paper activity,cellobiase activity,cellulase productivity and cellulase yield were 3.90 FPIU/mL,0.35 IU/mL,23.2 FPIU/(L·h) and 141.8 FPIU/g pulp,respectively.In contrast to batch process,fed-batch process can increase cellulase activity and cellulase productivity,retain the cellulase yield,and reduce the cost of cellulase production.

References

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Last Update: 1900-01-01