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Optimization of Liquid Fermentation for Mycelial Growth and Extracellular Polysaccharide Production by Poria cosos

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Abstract:

This paper is an attempt to study the growth line of poria cocos through flask culture experiment, and leads to a discussion of different fermentation conditions. The optimum media for mycelial growth were determined as (g/l): glucose 60, peptone 10, KNO3 10, KH2PO4 3, and MgSO4 1; while for exopolysaccharide was (g/l), glucose 40, peptone 5, KNO3 5, KH2PO4 0.5, MgSO4 1. The optimum initial pH value of medium was 5.5, inoculation, 10% (v/v) and different liquid volume had minimal influence on the mycelial growth and exopolysaccharide production.

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Periodical:

Advanced Materials Research (Volumes 554-556)

Pages:

962-968

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.554-556.962

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Online since:

July 2012

Authors:

Shuang Niu, Li Min Hao, Shu Xin Zhao, Fei Fei Wang, Chun Hui Du

Keywords:

Exopolysaccharide, Fermentation Condition, Poria cocos

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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