BETA-GALACTOSIDASE-INHIBITING NEW ISOFLAVONOIDS PRODUCED BY ACTINOMYCETES

被引:30
作者
HAZATO, T [1 ]
NAGANAWA, H [1 ]
KUMAGAI, M [1 ]
AOYAGI, T [1 ]
UMEZAWA, H [1 ]
机构
[1] INST MICROBIOL CHEM,SHINAGAWA KU,TOKYO,JAPAN
关键词
D O I
10.7164/antibiotics.32.217
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Six isoflavonoids having β-galactosidase inhibiting activity were isolated from the culture filtrate of Streptomyces xanthophaeus. Their structures were determined by spectral analyses to be daidzein, daidzein 7-α-L-rhamnoside, daidzein 4',7-di-a-L-rhamnoside, genistein, genistein 7-a-L-rhamnoside and genistein 4',7-di-a-L-rhamnoside. © 1979, JAPAN ANTIBIOTICS RESEARCH ASSOCIATION. All rights reserved.
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页码:217 / 222
页数:6
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