Ochratoxin A producibility by strains of Aspergillus niger group stored in IFO culture collection

Hiroshi ONO; Ai KATAOKA; Michiru KOAKUTSU; Kenji TANAKA; Shoichi KAWASUGI; Mitsuru WAKAZAWA; Yoshio UENO; Masaru MANABE

doi:10.2520/myco1975.1995.47

Hiroshi ONO, Ai KATAOKA, Michiru KOAKUTSU, Kenji TANAKA, Shoichi KAWASUGI, Mitsuru WAKAZAWA, Yoshio UENO, Masaru MANABE

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Keywords: Ochratoxin A, Aspergillus niger, IFO, Aspergillus awamori, Aspergillus usamii

JOURNAL FREE ACCESS

1995 Volume 1995 Issue 41 Pages 47-51

DOI https://doi.org/10.2520/myco1975.1995.47

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Abstract

Twenty-seven strains of Aspergillus niger group stored in the Institute for Fermenta-tion, Osaka (IFO) were examined for their ochratoxin A (OTA) producibility. TLC and HPLC analyses revealed the production of OTA by 5 out of the 27 strains, A. awamori var. fumeus IFO 4122, A. usamii IFO 8875, 8876, 8877, and A. usamii mut. shirousamii IFO 6082. The production was also confirmed by its spectral assignment of both nuclear magnetic resonance (NMR) and mass spectra (MS).

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