In vitro Antioxidant Activity of Enteromorpha intestinalis (Linnaeus) Nees

摘要

In this study,antioxidant activity of Enteromorpha intestinalis was determined by three different methods. Total phenolic concentration of the extracts was estimated with Folin-Ciocalteu reagent using gallic acid as standard. Free radical scavenging activities were determined based on 1 ,1-diphenyl-2-picrylhydrazyl radical (DPPH). The copper(II) ion reducing ability of polyphenols is measured by CUPRAC method. Results were compared with standard butylated hydroxytoluehe (BHT) and butylated hydroxyanisole (BHA).