Antioxidant and biological activities of Ardisia polycephala Wall.
Abstract
This study was to investigate antioxidative and biological activities, and active ingredients in Ardisia polycephala Wall. (Phuk Jum). The measurement of antioxidation activity was carried out using DPPH as the testing reagent and using Trolox as the standard antioxidant. From the chemical color reactions and TLC., the presence of flavonoid, tannin, and polyphynol was tested and identified. The total polyphenol content in samples was measured by Folin-Ciocalteu method and compared using gallic acid as a standard. The biological activity test on S. aureus and E. coli by agar disc diffusion method.
The study was found that, the antioxidative activity of Phuk Jum against DPPH showing IC50 value of 0.035 mg/ml, and Phuk Jum had a trolox equivalent antioxidative capacity (TEAC) value of 0.6857. But it did not have biological activity. The high proportional correlation was observed between antioxidant activities and total polyphenols (p < 0.01). The active ingredients found in this research were phenolic compounds, condensed tannin, hydrolyzable tannin, aurone, chalcone, flavanone, flavone, flavonol, flavanonol, xanthone, anthocyanin, anthocyanidin, and catechin.
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