Possible formation of dehydro-L-ascorbic acid from 2,3-diketo-L-gulonic acid in an aqueous solution

被引：4

作者：

Miyake, N ^{[1
]}

Kurata, T ^{[1
]}

机构：

[1] Ochanomizu Univ, Inst Environm Sci Human Life, Bunkyo Ku, Tokyo 1128610, Japan

来源：

BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY | 1998年 / 62卷 / 07期

关键词：

2,3-diketo-L-gulonic acid; dehydro-L-ascorbic acid; L-ascorbic acid; lactonization;

D O I：

10.1271/bbb.62.1419

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The reaction of 2,3-diketo-L-gulonic acid (DKG), which is one of the important intermediate products in the degradation of L-ascorbic acid (ASA) in both food and biological systems, in an aqueous solution was studied. The formation of a small amount of the gamma-lactone, dehydro-L-ascorbic acid (DASA), from DKG was observed. This strongly suggests the chemical possibility of a reverse reaction in DASA hydrolysis which has been long believed to be irreversible.

引用

页码：1419 / 1421

页数：3

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