Arrabidaea harleyi A.H. Gentry (Bignoniaceae) is an ornamental plant found in some regions of the Atlantic forest in Brazil. From its bark a mixture of verbascoside and isoverbascoside was isolated. This mixture was shown to be active againstStaphylococcus aureus, Micrococcus luteus, Bacillus subtilis, Bacillus mycoides, Enterecoccus faecalis, Escherichia coli, Serratia marcensisand Candida albicans. The minimal inhibitory concentration (MIC) was established by diffusion method.
Arrabidaea harleyi; Bignoniaceae; Verbascoside; Isoverbascoside; Antimicrobial activity
