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Note | Regular issue | Vol 75, No. 12, 2008, pp.3085-3089
Published online, 17th July, 2008
DOI: 10.3987/COM-08-11462
Studies of the Egyptian Traditional Folk Medicines. IV. New Isoflavonoid Isolated from Egyptian Licorice

Masaki Baba,* Sakiko Sumi, Noriaki Iwasaki, Hisahiro Kai, Masami Sakano (nee Komiya), Yoshihito Okada, and Toru Okuyama

*Natural Medicine and Phytochemistry, Meiji Pharmaceutical University, 2-522-1 Noshio, Kiyose, Tokyo 204-8588 Japan


A new isoflavonoid, 2′,4′-dihydroxy[6″,6″-dimethylpyrano (2″,3″:7,8)]isoflavone, named isoglabrone, was isolated from the ethyl acetate extract of Egyptian licorice, Glycyrrhiza glabra, together with 10 known phenolic compounds. The structure was elucidated on the basis of spectrometric evidence.