e-journal
Antimicrobial and antioxidant properties of medicinal plants used by theBentian tribe from Indonesia
Some selected medicinal plants used by Bentian tribe from Indonesia were evaluated for potential antimicrobial and antioxidant properties. Theleaves stem bark and root of the plants were extracted with n-hexane, ethyl acetate and ethanol to give respective extracts. Antimicrobial activityagainst Propionibacterium acnes and Candida albicans was determined by an agar well diffusion method. Antioxidant activity was assayed by theDPPH radical scavenging activity mechanism. The results showed that n-hexane, ethyl acetate and ethanol extracts of Cananga odorata, ethanolicextract of Chromolaena odorata, and ethanolic extracts of Hyptis capitata and Ampelocissus cinnamomeae displayed good activity against P. acnesat 25–400 g/well of the extracts tested. The n-hexane and ethanol extracts of Chromolaena odorata and H. capitata, and the n-hexane, ethylacetate and ethanol extracts of Cananga odorata displayed more activity against C. albicans than others at 25–400 g/well of the extracts tested.The most antioxidant activities against DPPH were displayed by the ethanol extracts of Ficus variegata stem bark, Leucosyke quadrinerva root andClausena excavata leaves exhibiting 91%, 91% and 86% inhibition, respectively. The present results showed potential of some medicinal plantsused by Bentian tribe from Indonesia as natural anti-microbial and anti-oxidant and potentially anti-inflammatory agents.
Keywords: Antimicrobial activity; Antioxidant activity; Natural products; Phytochemicals; Medicinal plants
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