Control of Grifola frondosa Morphology by Agitation and Aeration for Improving Mycelia and Exo-Polymer Production
文献类型: 外文期刊
第一作者: Cui, Feng-Jie
作者: Cui, Feng-Jie;Chen, Xiao-Xiao;Liu, Wei-Min;Sun, Wen-Jing;Huo, Shuhao;Yang, Yan;Cui, Feng-Jie;Sun, Wen-Jing
作者机构:
关键词: Grifola frondosa;Agitation intensity;Aeration rate;Morphology;Exo-polymer;Polysaccharide compositions
期刊名称:APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY ( 影响因子:2.926; 五年影响因子:2.685 )
ISSN:
年卷期:
页码:
收录情况: SCI
摘要: The present study describes the improved mycelia and exo-polymer production under control of Grifola frondosa morphology by changing the aeration rate and agitation intensity in a 25-L stirred fermentor. The aeration rate of 1.0 vvm yielded a highest mycelia biomass of 24.754 g/L with the lowest pellet percentage of 20.5 %. The maximum exo-polymer (2.324 g/L) was achieved at 0.75 vvm with mycelia polysaccharide production (0.321 g/g), whereas clumps and filaments dominated the ratios of 45.6 and 33.9 %, respectively. The change of aeration rate and agitation intensity had slight influence on the monosaccharide compositions in exo-polymers and significantly affected glucose and mannose contents in the mycelia polysaccharides. These findings will provide a clue for exploring the relationship between fermentation parameters, morphologies, and polysaccharide synthesis pathway of G. frondosa.
分类号: Q5
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