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Communication | Regular issue | Vol 34, No. 11, 1992, pp.2057-2060
Published online, 1st January, 1970
DOI: 10.3987/COM-92-6142
Novel Natural Colorants from Monascus anka U-1

Kyoko Sato, Satoshi Iwakami, Yukihiro Goda, Emi Okuyama, Kunitoshi Yoshihira, Takahiko Ichi, Yoshinobu Odake, Hiroshi Noguchi,* and Ushio Sankawa

*Faculty of Pharmaceutical Sciences, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113, Japan

Abstract

The structure of xanthomonasin A(C21H24O7), a natural colorant with a novel carbon skeleton (furanoisophthalide), produced by a mutant strain of Monascus anka, has been determined by the application of INADEQUATE experiment as well as by the variety of correlation spectroscopic techniques.