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INVITRO ANTIOXIDANT ACTIVITY OF HYDROALCOHOLIC EXTRACT OF PUNICA GRANATUM PEELS. Jaspreet Singh

INVITRO ANTIOXIDANT ACTIVITY OF HYDROALCOHOLIC EXTRACT OF PUNICA GRANATUM PEELS.

Jaspreet Singh

International Journal of Natural Product Science 2012: Spl Issue 1:189.

Abstract(RBIP-189)

Pomegranate (Punica granatum), a species of Punicaceae has recently become of great interest to the scientists. This plant is useful for pharmaceutical research and new drug development due to its multiple constituents such as tannins, flavonoids and alkaloids in almost every parts of the plant. These constituents are beneficial for various bioactivities such as hypolipidemic, antioxidant, antiviral, antibacterial and antidiabetic. The purpose of this work comprises the assessment of the antioxidant activity of hydroalcoholic extract of Punica granatum peels (HAEPGP) by different analytical methods: 1, 1-diphenyl-2-picrylhydrazyl (DPPH•), total reducing activity and metal chelating activities. HAEPGP at the concentration of 300 µg/ml showed highest percent inhibition DPPH (83.5%) and metal chelating activity (80%) and 0.936 absorbance for reducing power assay which are comparable with the standards tannic acid, ethylene diaminetetraacetic acid (EDTA) and ascorbic acid. Thus, the present results indicate clearly that the extract of Punica granatum peels possess antioxidant properties and could serve as free radical inhibitors or scavengers, acting possibly as primary antioxidants.

Keywords: Antioxidant, Punica granatum peels.
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