Antifungal chalcones and new caffeic acid esters from Zuccagnia punctata acting against soybean infecting fungi.

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Svetaz L, Tapia A, Lopez SN, Furlan RL, Petenatti E, Pioli R, Schmeda-Hirschmann G, Zacchino SA

Antifungal chalcones and new caffeic acid esters from Zuccagnia punctata acting against soybean infecting fungi.

J Agric Food Chem. 2004 Jun 2;52(11):3297-300.

PubMed ID
15161186 [ View in PubMed
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Abstract

The crude methanolic extract of Zuccagnia punctata was active toward the fungal pathogens of soybean Phomopsis longicolla and Colletotrichum truncatum. Assay guided fractionation led to the isolation of two chalcones, one flavanone and a new caffeoyl ester derivative as the compounds responsible for the antifungal activity. Another new caffeoyl ester derivative was isolated from the antifungal chloroform extract but proved to be inactive against the soybean infecting fungi up to 50 microg/mL

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