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Minerals, Vitamin Contents and Antioxidant Activities of Pawpaw (Ciraca Papaya) and Pineapple (Ananas Comosus) Fruits Pulp

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Document pages: 14 pages

Abstract: Fruits is indispensable in today’s world owing their tremendous health benefits. Pawpaw and pineapple are commonly consumed fruits worldwide. In this study, a methanol extract of pawpaw and pineapple were analysed to determine its vitamin content, total phenol content, mineral compositions, reducing power (FRAP) and antioxidant activities of crude extracts (FTC) with the ability to scavenge 2, 2‐ diphenyl ‐ 1‐ picrylhydrazyl (DPPH.) radical. The result showed that the total phenolic concentrations were (29.27 0.55mg 100 GAE) for pawpaw (58.16 27.05 mg 100g GAE) for pineapple. The extract showed a potent DPPH radical scavenging activity with different concentrations of 20 g mL – 100 g mL. Pawpaw had maximum inhibition at 60g mL (29.4 ) compared to pineapple at 40 g mL (33.6 ). The extracts contained appreciable amounts of vitamin C (174.900147.510 mg 100g) for pawpaw and vitamin E (1.9401.940 mg 100g) for pineapple . Minerals experiment was carried out for major elements for which pawpaw had the highest amount of calcium (295.220.16 mg 100g) and magnesium (9.490.01 mg 100g). Trace minerals were carried out for which pineapple had the lowest amount of selenium (2.070.01 mg 100g) and copper (0.240.02 mg 100g). This therefore suggests that pawpaw and pineapple could be a good source of antioxidants to ameliorate conditions in diseases whose pathogenesis implicates oxidative stress.

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