Optimizing the Fermentation Conditions of Penicillium funiculosum for Producing Dextranase

doi:10.7506/spkx1002-6630-201019062

FOOD SCIENCE ›› 2010, Vol. 31 ›› Issue (19): 288-291.doi: 10.7506/spkx1002-6630-201019062

• Bioengineering • Previous Articles Next Articles

Optimizing the Fermentation Conditions of Penicillium funiculosum for Producing Dextranase

ZHU Hui-xia1，WANG Ya-jie2，DENG Sheng-song1，YAO Ri-sheng1,*，ZHANG Hong-bin1

1. Engineering Research Center of Bioprocess, Ministry of Education, School of Chemical Engineering, Hefei University of Technology,
Hefei 230009, China；2. Pharmacy Department, Anhui Medical College, Hefei 230601, China

Received:2010-06-28 Online:2010-10-15 Published:2010-12-29
Contact: YAO Ri-sheng1 E-mail:yaors@163.com

Abstract

Abstract:

This study aimed at investigating the optimal fermentation conditions of Penicillium funiculosum for producing dextranase. The optimal carbon and nitrogen sources were dextran and peptone, respectively. The orthogonal array optimization showed that the optimal fermentation conditions of Penicillium funiculosum were as follows: the volume of the medium contained in a 250 mL Erlenmeyer flask 80 mL; medium initial pH 5.5; and fermentation temperature 28 ℃, and the resultant dextranase was 18.963 U/mL under these conditions.

Key words: dextranase, Penicillium funiculosum, orthogonal array design

CLC Number:

Q936

ZHU Hui-xia1，WANG Ya-jie2，DENG Sheng-song1，YAO Ri-sheng1,*，ZHANG Hong-bin1. Optimizing the Fermentation Conditions of Penicillium funiculosum for Producing Dextranase[J]. FOOD SCIENCE, 2010, 31(19): 288-291.

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Optimizing the Fermentation Conditions of Penicillium funiculosum for Producing Dextranase

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