Abstract
Antiradical and antimicrobial activity of leaf extract of Hoya wightii Hook.f. and Hoya ovalifolia Wight & Arn. was screened in this study. Antibacterial and antifungal activity of leaf extracts was determined by Agar well diffusion and Poisoned food technique respectively. Antiradical activity was evaluated by DPPH and ABTS radical scavenging assays. The content of total phenolics was estimated by Folin Ciocalteau reagent method. Extract of H. ovalifolia displayed marked antiradical and antimicrobial activity when compared to extract of H. wightii. Phenolic content was found to be higher in H. ovalifolia . A positive correlation was observed between the phenolic content and antiradical activity of extracts.
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