期刊
JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
卷 51, 期 24, 页码 6957-6960出版社
AMER CHEMICAL SOC
DOI: 10.1021/jf034708j
关键词
Trichoderma viride; pyran-2-one; viridepyronone; antifungal activity; Sclerotium rolfsii; crown and stem rot; biocontrol
A new antifungal 6-substituted 2H-pyran-2-one, named viridepyronone, has been isolated from a cultural filtrate of a strain of Trichoderma viride showing antagonistic activity in vitro toward Sclerotium rolfsii, which is the causal agent of crown and stem rot of artichoke. Viridepyronone was characterized as 6-(4-oxopentyl)-2H-pyran-2-one 2 with spectroscopic methods. Bioassays showed that viridepyronone had a good antifungal activity against S. rolfsii, and its minimum inhibitory concentration (over 90% inhibition) was found to be 196 mug/mL. This is the first report of viridepyronone produced by any species of fungi.
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