Constituents of the cultivated mulberry tree.
From extracts of root bark of the cultivated mulberry tree (a variety of Morus alba L.) three new isoprene-substituted flavanones, Kuwanon D, E and F were isolated. Their structures were shown to be I, II and III, respectively.
Nomura
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Faculty of Pharmaceutical Sciences, Toho University, Funabashi, Chiba, Japan.
Fukai
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