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ANTIOXIDANT AND ANTIMICROBIAL ACTIVITY BASED COMPARISON STUDY OF KIWIFRUIT PULP AND PEEL

. Noor ul Ain Mumtaz, Samahar Rana, Mauzzmah Shahid, Rimsha Raees & Huma Shahid


Abstract

Kiwifruit, Actinidia deliciosa, is the edible berry of several Actinidia species'. "Hayward," is the green-fleshed Kiwifruit, most widely available and commercially important. The amounts of polyphenols, vitamins, dietary fiber, and functional ingredients as well as bioactive phytochemicals are found in the edible and also non-edible parts of kiwifruit in variations. The objective of this research was to compare the Kiwifruit peel and pulp regarding bioactive compounds, antioxidants and antimicrobial activity. Kiwifruit pulp shows higher TFC, expressed as (QE mg/100 g of dw), as compared to kiwifruit peel extract. The TPC, expressed as (GAE mg/100 g of dw),269.5 in pulp as compared to 267.3 in peel. The antioxidant activity of Kiwifruit pulp shows higher antioxidant activity with DPPH and ABTS+ assay as compared to kiwi peel .Kiwifruit pulp shows higher antibacterial activity than kiwi peel. Anti-microbial activity of Kiwifruit is dose dependent. Kiwifruit pulp shows remarkable antioxidant and antimicrobial activity due to presence of phytochemicals as compared to peel. Kiwifruit pulp with higher phenolics and flavonoids exerts more potent antioxidant, antibacterial activity than pulp. This study provides evidence for the development of Kiwifruit based novel natural products with excellent bioactivity

Keywords: Actinidia Deliciosa, Bioactive compounds, Hayward, Antioxidant, Antimicrobial, proximate composition

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