IN VITRO ANTIOXIDANT ACTIVITY OF TERMINALIA CATAPPA NUTS
Objective: The main objective of the study is to assess the secondary metabolites and antioxidant activities of Terminalia catappa nut as it is not a commercialized nut.
Methods: The secondary metabolites and antioxidant activities were experimented by adopting recommended standard procedures using aqueous extract of Terminalia catappa nut powder- 25, 50, 75, 100mg.
Results: The total phenolics content was higher on comparison with flavonoid content. Likewise, among the antioxidant activities, nitric oxide scavenging (257.33Â±2.30mg/g) as well as reducing power activity (142.66Â±6.11mg/g) was higher compared to total antioxidant (82.66Â±6.11mg/g) and metal chelating activity (64.66Â±2.30mg/g).
Conclusion: The results obtained shows that it contains phenolics and flavonoid, which in turn induces antioxidant activities. Hence, this might act as a potential antioxidant, and needs further characterization and purification.ÂKey words: Antioxidant, Aqueous extract, Nuts, Secondary metabolites, Terminalia catappa
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