beta-Galactosidase-inhibiting new isoflavonoids produced by actinomycetes

J Antibiot (Tokyo). 1979 Mar;32(3):217-22. doi: 10.7164/antibiotics.32.217.

Abstract

Six isoflavonoids having beta-galactosidase inhibiting activity were isolated from the culture filtrate of Streptomyces xanthophaeus. Their structures were determined by spectral analyses to be daidzein, daidzein 7-alpha-L-rhamnoside, daidzein 4',7-di-alpha-L-rhamnoside, genistein, genistein 7-alpha-L-rhamnoside and genistein 4',7-di-alpha-L-rhamnoside.

Publication types

  • Research Support, U.S. Gov't, P.H.S.

MeSH terms

  • Actinomycetales / metabolism*
  • Chemical Phenomena
  • Chemistry, Physical
  • Fermentation
  • Flavonoids / pharmacology*
  • Galactosidases / antagonists & inhibitors*
  • Isoflavones / analysis
  • Isoflavones / metabolism
  • Isoflavones / pharmacology*
  • beta-Galactosidase / antagonists & inhibitors*

Substances

  • Flavonoids
  • Isoflavones
  • Galactosidases
  • beta-Galactosidase