Coumestans from the roots of pueraria mirifica

Author:

Ingham John L.1,Tahara Satoshi2,Dziedzic Stanley Z.1

Affiliation:

1. Department of Food Science, Food Studies Building, University of Reading, Whiteknights, P.O. Box 226, Reading RG6 2AP, England

2. Department of Agricultural Chemistry, Faculty of Agriculture, Hokkaido University, Kita-ku, Sapporo 060, Japan

Abstract

Three isoflavonoids obtained from a methanolic extract of Pueraria mirifica roots have been identified as 3,9-dihydroxy-8-methoxy-7-(3,3-dimethylallyl)-coumestan (mirificoumestan), 3,9-dihydroxy- 8-methoxy-7-(3-hydroxy-3-methylbutyl)-coumestan (mirificoumestan hydrate), and 3,9- dihydroxy-8-methoxy-7-(2,3-dihydroxy-3-methylbutyl)-coumestan (mirificoumestan glycol). These new coumestans co-occur with coumestrol (3,9-dihydroxycoumestan), a compound already found in P. mirifica roots

Publisher

Walter de Gruyter GmbH

Subject

General Biochemistry, Genetics and Molecular Biology

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