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Planta Med 1996; 62(2): 160-162
DOI: 10.1055/s-2006-957841
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© Georg Thieme Verlag Stuttgart · New York

Two Flavones from Artemisia giraldii and their Antimicrobial Activity

W. F. Zheng1 , R. X. Tan1 , L. Yang2 , Z. L. Liu1
  • 1Department of Biological Science and Technology, Nanjing University, Nanjing 210093, People's Republic of China
  • 2Institute of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, People's Republic of China
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Publication History

1995

1995

Publication Date:
04 January 2007 (online)

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Abstract

Two new flavones, 4′,6,7-trihydroxy-3′,5′-dimethoxyflavone (2) and 5′,5-dihydroxy-3′,4′,8-trimethoxyflavone (3) were isolated from Artemisia giraldii and their structures were identified by spectroscopic methods. These two new flavones showed antibiotic activity against Staphylococcus aureus, Sarcina lutea, Escherichia coli, Pseudomonas aeruginosa, Proteus sp. Aspergillus flavus, and Trichoderma viride.

Key words

Artemisia giraldii - Compositae - flavones - antimicrobial activity