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J Nat Prod. 2003 Jan;66(1):136-9.

New dimeric naphthopyrones from Aspergillus niger.

Author information

1
Natural Products Chemistry, Division of Applied Biological Chemistry, Graduate School of Agriculture and Biological Sciences, Osaka Prefecture University, 1-1 Gakuencho, Sakai, Osaka 599-8531, Japan.

Abstract

Three new dimeric naphthopyrones, asperpyrones A (1), B (2), and C (3), together with two known compounds, fonsecinone A (4) and aurasperone A (5), have been isolated from okara that was fermented with Aspergillus niger JV-33-48. Compounds 1, 4, and 5 showed inhibitory activity on Taq DNA polymerase.

PMID:
12542363
DOI:
10.1021/np020174p
[Indexed for MEDLINE]
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