in vitro Antioxidant Activity of Kiwifruit Seed Oil

Abstract

Abstract: The in vitro antioxidant activity of kiwifruit seed oil was evaluated by reducing power assay and DPPH radical, superoxide anion radical, hydrogen peroxide and hydroxyl radical scavenging assays and compared with vitamin C as a positive control. The results showed that the reducing power and scavenging activity against DPPH radicals, superoxide anion radicals, hydrogen peroxide and hydroxyl radicals of kiwifruit seed oil were directly proportional to concentration. Kiwifruit seed oil could scavenge superoxide anion radicals better than vitamin C but was less effective in scavenging DPPH radicals, hydrogen peroxide and hydroxyl radicals. The IC50 values against superoxide anion radicals, hydrogen peroxide and hydroxyl radicals were 0.078, 0.1 mg/mL and 0.2 mg/mL, respectively. Therefore, kiwifruit seed oil had the strongest scavenging effect against superoxide anion radicals.

Key words: kiwifruit seed oil, antioxidant activity, reducing power, free radicals

CLC Number:

TS201.2

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