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. 2004 Nov;67(11):1876-8.
doi: 10.1021/np034007g.

Biotransformation of nobiletin by Aspergillus niger and the antimutagenic activity of a metabolite, 4'-hydroxy-5,6,7,8,3'-pentamethoxyflavone

Yoshiharu Okuno  1 , Mitsuo Miyazawa
Affiliations

Biotransformation of nobiletin by Aspergillus niger and the antimutagenic activity of a metabolite, 4'-hydroxy-5,6,7,8,3'-pentamethoxyflavone

Yoshiharu Okuno et al. J Nat Prod. 2004 Nov.

Abstract

Biotransformation of nobiletin (1) by Aspergillus niger has been investigated, and the product obtained was determined as 4'-hydroxy-5,6,7,8,3'-pentamethoxyflavone (2). Antimutagenic activity of compound 2 was found, which showed suppressive effects on umu gene expression of the SOS response to DNA damage in Salmonella typhimurium TA1535/pSK1002, induced by the chemical mutagens furylfuramide, MeIQ, and Trp-P-1.

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