Antispasmodic and Antimicrobial Diterpenic Acids from Viguiera hypargyrea Roots

Abstract

Two spasmolytic diterpene acids, ent-beyer-15-en-19-oic acid and ent-kaur-16-en-19-oic acid, have been isolated from the roots of Viguiera hypargyrea by bioassay-guided fractionation. Beyerenoic acid was also active against Staphylococcus aureus, Enterococcus feacalis and Candida albicans.

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