Optimization for Medium Compositions for Intracellular Polysaccharide of Phellinus baumii in Submerged Culture

Abstract

Abstract: The influence of liquid culture conditions on intracellular polysaccharide (IPS) production of Phellinus baumii was investigated. According to the orthogonal array design,the relative optimum medium compositions for IPS production were initial pH5.0,soybean powder,soluble starch,C/N ratio of 1:1,the production reached 2.70g/L. According to Intuitive analysis and variance analysis,the main factor of IPS was initial pH (A),the main factor of mycelial dry weight was nitrogen (B),A and B were independence with each other,correlation coefficient of the results of IPS content and mycelial dry weight was -0.16 (p> 0.05),it showed there wasnt’ credibility pertinence between IPS content and mycelial dry weight.

Key words: , Phellinus baumii； orthogonal array design； intracellular polysaccharide (IPS)； mycelial dry weight；

LI Shuo, Ding-Yi-Xin, Xu-Ji, Li-Yu-Xiang, ZHAO Ming-Wen. Optimization for Medium Compositions for Intracellular Polysaccharide of Phellinus baumii in Submerged Culture[J]. FOOD SCIENCE, 2006, 27(11): 236-240.

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Optimization for Medium Compositions for Intracellular Polysaccharide of Phellinus baumii in Submerged Culture

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