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Studies on Extraction Methods of Polysaccharides from Mycelia of Cordyceps
Author(s): 
Pages: 140-142
Year: Issue:  3
Journal: FOOD AND FERMENTATION INDUSTRIES

Keyword:  冬虫夏草多糖提取离子;
Abstract: 对虫草属真菌的干燥和新鲜菌丝体中多糖提取方法进行了研究,比较了不同的溶液离子组成和浓度下多糖的溶出情况,并与传统的热水提取方法进行了比较.在菌丝体被烘干,细胞结构被破坏的情况下,离子状态对于多糖溶出的影响相对较小,10%NaCl可以增加10%左右的多糖提取率,10%NaOH作用效果最好,可以提高提取率67.5%.而新鲜菌丝体由于细胞结构的完整性,离子组成和浓度对于多糖提取率的影响十分显著,5%NaOH的多糖提取率最高,虫草菌丝体中碱溶性多糖的含量明显高于酸溶性多糖.
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