3.3 Stone fruitsStone fruits encompass nectarines (Prunus persica var. nucipersica), peaches(Prunus persica L.), plums (Prunus domestica), sweet cherries (Prunus aviumL.) and sour cherries (Prunus cerasus L.). In general, ascorbic acid is present inhighest concentration in the fruit flesh, but the skin fraction contain largeramounts of phenolics than the flesh. Thus, in an investigation of phenolic compounds in nectarines, peaches and plums, the anthocyanins and flavonols (thelatter mainly as quercetin glucosides) were found to be almost exclusively locatedin the peel tissues.
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