PERCENTAGE ANTIOXIDANT ACTIVITY OF SOME PLANT EXTRACTS IN LINOLEIC ACID PEROXIDATION SYSTEM USING THIOCYANATE METHOD
Keywords:
Thiocyanate , Mangifera , Irvingia , Total Antioxidant , InhibitionAbstract
Total Antioxidant Activity (TAA) by thiocyanate (-SCN) method was used to assay antioxidant activity of experimental wistar rats treated with oil extracts from kernels of Mangifera indica, (Mi); Irvingia gabonensis, (Ig) and Irvingia wombolu (Iw). All the oil extracts were found to exhibit high antioxidant activity of between 61 – 93% irrespective of time of investigation. The results for percent inhibition of lipid peroxidation of all fractions were found to be significant (p < 0.05) and the order was found to be I. wombolu (93.71±0.57%) in 24hours followed by M. indica (79.17±0.9%) in 36hours and I. gabonensis fraction (92.46±0.53%) in 60hours confirming I. wombolu as a superior radical scavenger compared to the other extracts
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