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In vitro antifungal activity of coumarin extracted from Loeselia mexicana Brand.

Mycoses (2011-05-25)
Victor M Navarro-García, Gabriela Rojas, Margarita Avilés, Macrina Fuentes, Gerardo Zepeda
ABSTRACT

The bis-coumarin daphnoretin and its monomeric precursors scopoletin and umbelliferone were isolated for the first time from the aerial part of Loeselia mexicana Brand (a vegetal species used in Mexican traditional medicine) using chromatographic techniques. The structures of these compounds were determined by (1) H and (13) C NMR analyses. These coumarins were evaluated for in vitro antifungal activity. The three compounds tested showed significant antifungal activity.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Umbelliferone, 99%
Sigma-Aldrich
Umbelliferone, suitable for fluorescence indicator, ≥98.0% (HPLC)
Supelco
Umbelliferone, analytical standard