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Report | Regular issue | Vol 9, No. 9, 1978, pp.1295-1300
Published online, 1st January, 1970
DOI: 10.3987/R-1978-09-1295
Kuwanon E, a New Flavanone Derivatives from the Root Bark of the Cultivated Mulberry Tree (Morus alba L.)

Taro Nomura* and Toshio Fukai

*School of Pharmaceutical Sciences, Toho University, 2-2-1, Miyama, Funabashi, Chiba 274-8510, Japan

Abstract

A new flavanone derivative named kuwanon E was isolated from the root bark of the cultivated mulberry tree (a variety of Morus alba L.). The structure was presumed to be 5,7,2’,4’-tetrahydroxy-5’-geranylflavanone (I) by spectral data.