Isolation and 13C NMR Study of Cyclopyazonic Acid, a Toxic Alkaloid Produced by Muscardine Fungi Aspergillus flavus and A. oryzae

Takao YOKOTA; Akira SAKURAI; Shinobu IRIUCHIJIMA; Nobutaka TAKAHASHI

doi:10.1271/bbb1961.45.53

Agricultural and Biological Chemistry

Online ISSN : 1881-1280
Print ISSN : 0002-1369
ISSN-L : 0002-1369

Isolation and ¹³C NMR Study of Cyclopyazonic Acid, a Toxic Alkaloid Produced by Muscardine Fungi Aspergillus flavus and A. oryzae

Takao YOKOTA, Akira SAKURAI, Shinobu IRIUCHIJIMA, Nobutaka TAKAHASHI

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1981 Volume 45 Issue 1 Pages 53-56

DOI https://doi.org/10.1271/bbb1961.45.53

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Abstract

A toxin to the silkworm produced by Aspergillus flavus and A. oryzae was identified as cyclopyazonic acid. Detailed analysis of ¹³C NMR data of this compound is described.

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