Mycelia sterilia M1株による廃糖蜜の脱色と副生多糖の諸性質

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タイトル別名
  • Decolorization of Molasses by Mycelia sterilia M1 and Characteristics of By-product Polysacchride
  • Mycelia sterilia M1カブ ニ ヨル ハイトウミツ ノ ダッショク ト フクセイ タトウ ノ ショ セイシツ

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説明

We investigated decolorization of molasses pigments and production of the viscous substance by cultivation of Mycelia sterilia M 1. Efffective decolorization and increase of viscosity were appeared under molasses concentration of 100g/l in medium. Decolorization and increase of viscosity were promoted by addition of D-glucose and hydrolyzed sucrose by addition of hydrochloric acid. Organic nitrogen in polypepton or yeast extract inhibited decolorizing activity and decreased viscosity. Highest decolorization efficiency and viscosity were obtained at 10 days under the hydrolysis treatment. After removed viscous substance from the culture of M. sterilia M 1, 77.4% of molasses pigments were removed and 91% of sucrose was remained as compaired with preculture medium. The viscous substance was obtained in a yeald of 0.86g per 100ml of culture broth. The viscous substance was assumed to be a kind of polysaccharide which consisted of mainly 6-carbon sugar.

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