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Nutr Res. 2012 Mar;32(3):229-32. doi: 10.1016/j.nutres.2011.12.008. Epub 2012 Feb 7.

Improvement of serum antioxidant status in humans after the acute intake of apple juices.

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Department of Food Science, Federal University of Santa Catarina, Florianópolis, Brazil.


It is hypothesized that apples of 2 Brazilian cultivars with different content of sugars and antioxidant compounds promote similar effects on the antioxidant status and lipid peroxidation in human serum after acute intake. Nine healthy women ingested 300 mL of Golden Delicious or Catarina apple juice (AJ) or water, and blood samples were collected before and 1 hour after intake. After intake of both AJ, a similar and significant increase in serum antioxidant capacity and ascorbic and uric acid levels and a significant decrease in serum lipid peroxidation was observed. The increase in serum antioxidant capacity after consumption of both AJ was correlated directly with the uric acid levels and inversely with serum lipid peroxidation. In summary, the acute intake of AJ of 2 cultivars promoted a similar effect on the antioxidant status and lipid peroxidation in human blood serum.

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