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2005•ACTA AGRICULTURAE UNIVERSITATIS JIANGXIENSISRequires access

Studies on the optimum conditions for submerged fermentation of Aspergillus niger LH2446 to produce cellulase

Shihua Wang, Kaihui Hu, Bifang Huang, Wenying Yu, Limin Peng

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Abstract

The study was conducted to explore the optimum conditions for submerged fermentation of Aspergillus niger LH2446 to produce cellulase. It was founded that the optimum conditions were as follows:the carbon source was 6% straw power; the nitrogen source was 1% bean cake; 75 mL media were filled in the 250 mL flask with medium pH6.5,culture time 60 h and culture temperature 30 ℃. Under the optimum conditions, to the highest output of cellulase was 23 600 U/g.

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What this paper is about

The study was conducted to explore the optimum conditions for submerged fermentation of Aspergillus niger LH2446 to produce cellulase. It was founded that the optimum conditions were as follows:the carbon source was 6% straw power; the nitrogen source was 1% bean cake; 75 mL media were filled in the 250 mL flask with medium pH6.5,culture time 60 h and culture temperature 30 ℃. Under the optimum conditions, to the highest output of cellulase was 23 600 U/g.

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Available abstract

The study was conducted to explore the optimum conditions for submerged fermentation of Aspergillus niger LH2446 to produce cellulase. It was founded that the optimum conditions were as follows:the carbon source was 6% straw power; the nitrogen source was 1% bean cake; 75 mL media were filled in the 250 mL flask with medium pH6.5,culture time 60 h and culture temperature 30 ℃. Under the optimum conditions, to the highest output of cellulase was 23 600 U/g.

Key concepts: Cellulase, Aspergillus niger, Fermentation, Straw, Carbon source, Pulp and paper industry, Chemistry, Food science

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