Abstract
Antioxidant plays an important role in inhibiting and scavenging radicals, thus providing protection for human against infection and degenerative diseases. The aim of this study was to evaluate the effect of the solvent on the extraction of the antioxidant compounds from Careya arborea (CA) Roxb. The leaves of CA were extracted by using water, ethanol, methanol, and chloroform. The total phenolic content of the extracts was determined by the Folin-Ciocalteu reagent and their antioxidant activity was measured using 2, 2-diphenyl-1 picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) methods. The antioxidant activities of the extracts for DPPH and FRAP were in the order: water > methanol > ethanol > chloroform extract. According to the results, water is the most suitable solvent for extraction of active substances with antioxidant activities.
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