Effect of the glass transition temperature on alpha-amylase activity in a starch matrix

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• 作者：Vinita Chaudhary ; Naksit Panyoyai ; Darryl M. Small ; Robert A. Shanks ; Stefan Kasapis ; ^{stefan.kasapis@rmit.edu.au}
• 关键词：Starch ; Maltodextrin ; α-Amylase ; Glass transition temperature ; Activation energy
• 刊名：Carbohydrate Polymers
• 出版年：2017
• 出版时间：10 February 2017
• 年：2017
• 卷：157
• 期：Complete
• 页码：1531-1537
• 全文大小：858 K
• 卷排序：157

文摘

Kinetics of hydrolytic activity of α-amylase on condensed carbohydrate matrices were studied. Activation energies of amylolysis were estimated for the glassy matrices of starch and maltodextrin. Glass transition temperature of the carbohydrate matrix arrests the enzymatic activity of α-amylase