PHYTOCHEMICAL SCREENING AND ANTIOXIDANT ACTIVITIES OF THE LEAVES OF VITELLARIA PARADOXA PLANT
Vitellaria paradoxa tree is a commercially useful indigenous fruit tree species used for the treatment of skin diseases, rheumatism, typhoid fever and microfilaria. The result of the studies revealed the presence of alkaloids, flavonoids, steroids, terpenoid, saponins, phenols and tannins in all extracts (ethyl acetate, aqueous and methanol) with the exception of saponins which were absence in the ethyl acetate extracts of Vitellaria paradoxa leaves. The result of quantitative phytochemical screening revealed that tannins had the highest content in Vitellaria paradoxa leaf extract while saponin were found to have lowest value. The antioxidants activities of Vitellaria paradoxa leaf extract were studied at various concentrations of 0.03125, 0.0625, 0.125, 0.25, 0.5 mg/mL, the result showed that the methanol extract have higher activity compared to other. This indicates that Vitellaria paradoxa leaf extracts have an appreciable antioxidant activity and useful as therapeutic agents.
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