Antioxidant activity of fresh apples

Marian V. Eberhardt, Chang Yong Lee and Rui Hai Liu ()
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Marian V. Eberhardt: Department of Food Science
Chang Yong Lee: Department of Food Science
Rui Hai Liu: Department of Food Science

Nature, 2000, vol. 405, issue 6789, 903-904

Abstract: Abstract Vitamin C is used as a dietary supplement because of its antioxidant activity, although a high dose (500 mg) may act as a pro-oxidant in the body1,2. Here we show that 100 g of fresh apples has an antioxidant activity equivalent to 1,500 mg of vitamin C, and that whole-apple extracts inhibit the growth of colon- and liver- cancer cells in vitro in a dose-dependent manner. Our results indicate that natural antioxidants from fresh fruit could be more effective than a dietary supplement.

Date: 2000
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DOI: 10.1038/35016151

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