1,8-二羟基蒽醌-β-D-葡萄糖甙水溶液的辐射化学

高等学校化学学报 ›› 1987, Vol. 8 ›› Issue (9): 845.

1,8-二羟基蒽醌-β-D-葡萄糖甙水溶液的辐射化学

孙海, 袁荣尧, 吴季兰

北京大学技术物理系

收稿日期:1988-01-08 出版日期:1987-09-24 发布日期:1987-09-24

Studies on the Radiation Chemistry of the Aqueous Solution of 1,8-Dihydroxy-Anthraquinone-β-D-Glucoside

Sun Hai, Yuan Rongyao, Wu Jilan

Technical Physics Department, Peking University, Beijing

Received:1988-01-08 Online:1987-09-24 Published:1987-09-24

摘要/Abstract

摘要： 本文研究了γ射线照射下1,8-二羟基蒽醌-β-D-葡萄糖甙水溶液中羟基自由基(OH·)对糖甙的作用。用样品中饱和不同气体或加入不同自由基俘获剂的方法,证明OH·作用于糖甙的糖基使溶液的H₂O₂G值升高;作用于甙元则是加成反应,G值为0.4.求得OH·与糖甙的反应速率常数k_OH+糖甙=2.9×10⁹mol^-1S^-1。

Abstract: In this paper the radiolysis of the aqueous solution of 1, 8-dihydroxy anthra-quinone glucoside has been investigated, the results are as follows.1.OH radical reacted with 1,8-dihydroxy anthraquinone-β-D-glucocide leading to the radiolysis of glucoside but no glucosidic bond rupture was found.2.Two radiolysis products have been obtained. Product may be an aliphatic alcohol which comes from the decomposition of glucose radical. ProductⅡ is still a glucoside which may be a trihydroxy anthraquinone glucoside.3.Using competition kinetics we have got k_{OH·+glucosidc}=2.9×10⁹mol^-1s^-1.

TrendMD:

孙海, 袁荣尧, 吴季兰. 1,8-二羟基蒽醌-β-D-葡萄糖甙水溶液的辐射化学. 高等学校化学学报, 1987, 8(9): 845.

Sun Hai, Yuan Rongyao, Wu Jilan . Studies on the Radiation Chemistry of the Aqueous Solution of 1,8-Dihydroxy-Anthraquinone-β-D-Glucoside. Chem. J. Chinese Universities, 1987, 8(9): 845.