?EＳｔｒｅｐｔｏｃｏｃｃｕｓ　ｂｏｖｉｓ?Fの生でんぷん糖化酵素の結晶化とその特性

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書誌事項

タイトル別名
  • Crystallization and Properties of Raw Starch Hydrolyzing Enzyme Produced by Streptococcus bovis
  • Streptococcus bovis ノ セイ デンプン トウカ コウソ ノ

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抄録

A strain of Streptococcus bovis isolated from bovine rumen has a strong fermentability of raw starch and produces a single extra-cellular α-amylase, and the activity of this amylase on raw starch is remarkable when compared with ordinary bacterial amylase. Authors have studied the crystallization and some characteristics of this amylase. It was known that this amylase came under the category of bacterial saccharif ying α-amylase from the mutarotation of reducing sugar produced and the mode of action on soluble starch. This crystallized amylase was adsorbed on raw starch completely, and showed acceleration of the starch digestion under the presence of Ca2+. Especially, various raw grain starches were dissolve completely producing chiefly glucose and maltose. The remarkable activity for raw starch suggests that this amylase should be specially called as “raw starch hydrolase.”

収録刊行物

  • 澱粉科学

    澱粉科学 25 (2), 132-139, 1978

    日本応用糖質科学会

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