However, although they reported an increasing trend of the ORAC activity in grape skin induced by RDI strategy, they suggested that other parameters other than phenolics (perhaps vitamins) are responsible for ORAC activity because, in their conditions, water deficits did not modify the bioactive quality of the grapes.
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Effects of Water Deficit Irrigation on Phenolic Composition and Antioxidant Activity of Monastrell Grapes under Semiarid Conditions.
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