もみがらグルコキシランの糖化

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タイトル別名
  • Saccharification of Rice Hull Glucoxylan
  • モミガラ グルコキシラン ノ トウカ

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An effective method on saccharification of rice hull hemicellulose which contained xylose was studied. An extraction of Glucoxylan from rice hull with alkali solution gave a low value of about one fourth recovery, however lignin in the extracted solution was recovered easily by 75-95% acetone fractionation. Xyloglucan in rice hull was hydrolyzed effectively and almost completely by HCl than H2SO4. The Glucoxylan hydrolysis by 0.1 N HCl, 120°C, 2 hr. gave the mixture of 14.5% xylose and 6.7% glucose which was crystallized after purification. This result indicates that rice hull contains about 21% Glucoxylan which is composed of approximately xylose 2: glucose 1.

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