Fruits and vegetables contain high quantity of essential vitamins, antioxidants (vitamin C, carotenoids, flavonoids), minerals, fibers and water. Health professionals recommend to eat at least 5 servings of fruits and vegetables per day since people who eat more generous amounts as part of a healthful diet are likely to have reduced risk of chronic diseases in which an increased oxidative stress is potentially implicated (cardiovascular diseases, cancers…). However, more precisions should be given in order to clarify what does it really mean 5 servings with respect to the quantity, the choice, the colour and the variability of these aliments. Moreover, only a few data are available about the impact of such a diet on the oxidative stress status of an individual (plasma concentrations in antioxidants and markers of oxidative stress). The present paper was to summarize the most significant studies about this matter.
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