Abstract
Abstract: This work was undertaken to explore the poten tial of fruit waste materials as sources of natural antioxidants. Kernels of four varieties of mangoes of Indian origin were studied. Kernels were extracted with five different solvents, tested for extraction efficiency and total phenolic content (TPC). As the methanol proved to be the best solvent, it was used for further analysis. The methanolic extracts of kernels had reducing power (RP) and scavenged 2, 2 diphenyl-1-picryl hydrazyl (DPPH) radical, which is related to their antioxidant activity (AA). When analyzed in HPLC, the extracts showed the presence of phenolic compounds. The extracts had the higher capacity to reduce the formation of peroxides and slow down the rate of oxidation than butylated hydroxyl toluene (BHT) in refined, bleached deodorized soybean oil (RBD SBO). Based on the results obtained mango kernels are potential source of natural antioxidants owing to their antioxidant activity. Key words: Mango kernels, soybean oil (RBD SBO), Gallic acid, 2, 2 diphenyl-1-picryl hydrazyl (DPPH) activity.
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