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The Polysaccharide Produced from Liquid Culture of Flammulina velutipes

机译:金针菇液体培养产生的多糖

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The effect of different strains, different culture media and culture time on the yields of mycelia and polysaccharide of Flammulina velutipes was studied,and the polysaccharide of F. velutipes was carried out UV and IR analysis. The results indicated that when F. velutipes No. 12 strain was cultivated between 10 d and 11 d in the liquid culture medium,the yields of mycelia and mycelial polysaccharide of F. velutipes were the highest,and the exopolysaccharide yield was higher. The results of UV and IR analysis indicated that the exopolysaccharide was a kind of β-type pyranoside linkage pure polysaccharide . The effect of different culture media on the main structure of the exopolysaccharide was no obvious,the exopolysaccharides were revealed similar UV and IR spectrum. However, adopting the fermented medium that was made up of corn powder and soybean powder etc was favorable indus-tralization of polysaccharide production of F. velutipes.
机译:研究了不同菌株,不同培养基和培养时间对金针菇菌丝体和多糖产量的影响,并进行了UV和IR分析。结果表明,在液体培养基中10 d〜11 d培养velutipes 12号菌株时,velutipes的菌丝体和菌丝体多糖产量最高,胞外多糖产量更高。紫外和红外分析结果表明,胞外多糖是一种β型吡喃糖苷键纯多糖。不同培养基对胞外多糖主要结构的影响不明显,胞外多糖具有相似的紫外和红外光谱。然而,采用由玉米粉和大豆粉等组成的发酵培养基有利于金针菇多糖生产的工业化。

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