期刊
PHYTOTHERAPY RESEARCH
卷 17, 期 7, 页码 834-837出版社
WILEY
DOI: 10.1002/ptr.1256
关键词
Mahonia aquifolium; protoberberine alkaloids; antifungal activity; dermatophytes; yeasts
The crude extract of Mahonia aquifolium (Berberidaceae) stem bark and its components berberine, palmatine and jatrorrhizine were screened for their inhibitory activity against a variety of dermatophytes and two Candida species of human origin using the in vitro dilution agar plate method. Jatrorrhizine was found to be the most effective against all fungal species tested (MIC ranges from 62.5 to 125 mug/mL), while the crude extract, berberine, and palmatine exhibited only marginal activity (MIC 500 to 24000 mug/mL). Dermatophytes were more susceptible to jatrorrhizine than yeasts, and Scopulariopsis brevicaulis appeared the least sensitive species to all the compounds tested. The effects of the alkaloids were compared with those of fluconazole and bifonazole for which the MIC ranges were 12.5 to >100 mug/mL. Our results suggest that jatrorrhizine may serve as a leading compound for further studies to develop new antifungal agents with highly potent antifungal activity and low host toxicity. Copyright (C) 2003 John Wiley Sons, Ltd.
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