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Updated: Jul 16, 2026

High-resolution Tandem Mass Spectrometry for Studying Chemical Constituents of Gynura bicolor DC
Published on: February 2, 2024
Constituents of the cultivated mulberry tree
T Nomura1, T Fukai, J Matsumoto
1Faculty of Pharmaceutical Sciences, Toho University, Funabashi, Chiba, Japan.
Abstract:
In addition to mulberrofuran C, a new 2-arylbenzofuran derivative, six flavonoid derivatives, cyclomorusin, morusin, kuwanon C, E, G and H, as well as a known 2-arylbenzofuran derivative, chalcomoracin, were isolated from extracts of root bark of the cultivated mulberry tree (a variety of Morus bombycis K OIDZUMI). The structure of mulberrofuran C was shown to be VIII on the basis of spectral data. It is regarded biogenetically as a Diels-Alder adduct of a chalcone derivative and a dehydroprenyl 2-arylbenzofuran derivative. Intravenous injection of mulberrofuran C produced significant hypotension in rabbit.
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