ANTIOXIDANT AND ANTHELMINTIC ACTIVITY OF TERMINALIA ARJUNA ROXB. STEM BARK EXTRACTS

摘要

In the present investigation, four complementary assays, total reductive power, total antioxidant activity, 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging activity and metal chelating ability for ferrous ions were used to screen the antioxidant property of Terminalia arjuna bark extracts. The extracts showed significant antioxidant activity in correlation to the phytoconstituents present in the extracts. The phytochemical analysis revealed that the major bioactive components of the plants are terpenoides, polyphenols, saponins, tannins and glycosides. Live earthworms Pheretima posthuma were used for screening anthelmintic activity of bark extract. All extracts showed effective anthelmintic activity at 20 mg ml^-1 concentration.