Antimicrobial Benzopyrans from the Receptacle of Sunflower

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1996 English Publisher:Informa UK LimitedJournal:Bioscience, Biotechnology, and Biochemistry, volume 60, pages 664-665 (issn: 0916-8451, eissn: 1347-6947,

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Authors: A, Satoh; H, Utamura; M, Ishizuka; N, Endo; M, Tsuji; H, Nishimura;

doi: 10.1271/bbb.60.664

pmid: 8829537

Antimicrobial Benzopyrans from the Receptacle of Sunflower

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Abstract

The antimicrobial substances in sunflower (Helianthus annuus) were investigated. Two antifungal benzopyran derivatives, 6-acetyl-2,2-dimethyl-1,2-benzopyran (1) and 6-acetyl-7-hydroxy-2,2-dimethyl-1,2-benzopyran (2), were isolated from the ethanol extract of sunflower receptacles. The antimicrobial activities of isolated compounds 1 and 2 and their related compounds (precocenes) were evaluated by the paper disk method, using Pyricularia oryzae as the test fungus.

Related Organizations

Tokai University
Japan

Keywords

Antifungal Agents, Anti-Infective Agents, Helianthus, Benzopyrans, Microbial Sensitivity Tests

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