DEGRADATION OF A (BETA-O-4)-(5-5') LIGNIN SUBSTRUCTURE MODEL TRIMER BY LIGNIN PEROXIDASE PREPARATION

被引：0
|
作者：
YOKOTA, S
UMEZAWA, T
HATTORI, T
HIGUCHI, T
机构：
[1] KYOTO UNIV, WOOD RES INST, UJI, KYOTO 611, JAPAN
[2] NIHON UNIV, COLL AGR & VET MED, TOKYO 154, JAPAN
来源：
MOKUZAI GAKKAISHI | 1991年 / 37卷 / 07期
关键词：
LIGNIN PEROXIDASE; (BETA-O-4)-(5-5') TYPE TRIMER; BETA-O-4 BOND CLEAVAGE; AROMATIC RING CLEAVAGE;
D O I：
暂无
中图分类号：
TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];
学科分类号：
0805 ; 080502 ; 0822 ;
摘要：
Degradation of a (beta-O-4)-(5-5') type trimer, arylglycerol-beta-(dehydrodivanillyl alcohol) ether (I) by lignin peroxidase was investigated. In the degradation of substrate (I) by the enzyme, C-alpha-C-beta cleavage, beta-O-4 bond cleavage, and beta-etherified aromatic ring (B-ring) opening products were identified as degradation products. The results showed that the B-ring of substrate (I), which sterically must be hindered more than those of arylglycerol-beta-guaiacyl and -beta-(2,6-dimethoxyphenyl) ethers, was oxidized by lignin peroxidase.
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收藏
页码：644 / 648
页数：5
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