Metabolites of 7-O-methyl-luteone from Botrytis cinerea.

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  • TAHARA Satoshi
    Department of Agricultural Chemistry, Faculty of Agriculture, Hokkaido University
  • INGHAM John L.
    Department of Food Science, University of Reading
  • MIZUTANI Junya
    Department of Agricultural Chemistry, Faculty of Agriculture, Hokkaido University

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Other Title
  • ７‐Ｏ‐Ｍｅｔｈｙｌ‐ｌｕｔｅｏｎｅのＢｏｔｒｙｔｉｓ　ｃｉｎｅｒｅａによる代謝産物
  • 7 O Methyl luteone ノ Botrytis cinerea ニ

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Abstract

An antifungal isoflavone 7-O-methyl-luteone [5, 2', 4'-trihydroxy-7-methoxy-6-(3, 3-dimethylallyl) isoflavone, 2] was metabolized in cultures of Botrytis cinerea. The substrate was transformed into dihydropyrano-isoflavone [(+)-3] and 2, 3-dihydrodihydroxyprenyl-isoflavone [(-) (2 S)-5] as major metabolites. Asmall quantity of dihydrofurano-isoflavone (4) was also yielded. However the initial intention to detecting a possible metabolic intermediate, 7-O-methyl-luteone epoxide, from 2 to 3_??_5 was unsuccessful.

Journal

  • Nippon Nōgeikagaku Kaishi

    Nippon Nōgeikagaku Kaishi 63 (5), 999-1007, 1989

    Japan Society for Bioscience, Biotechnology, and Agrochemistry

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