Journal
FOOD RESEARCH INTERNATIONAL
Volume 90, Issue -, Pages 281-287Publisher
ELSEVIER
DOI: 10.1016/j.foodres.2016.11.014
Keywords
Sweet cherry; Ferrovia; Giorgia; NMR spectroscopy; PCA; OPLS-DA
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Sweet cherries are widely appreciated for fresh consumption as well as for production of juices, jams, jelly fruits and alcoholic beverages. The sweet cherry intake (as fresh fruit and related products) is extensively encouraged for their taste and nutritional qualities, due to the presence of water-soluble (C, B) and fat-soluble (A, E and K) vitamins, carotenoids, polyphenols and minerals, as well as glucose and fructose. However the market often endorses the consumption of a particular sweet cherry cultivar (as for most of vegetables) essentially for organoleptic and/or external appearance rather than nutraceutical qualities. In order to evaluate the potential difference in the nutritional quality of fruits, 56 sweet cherry juice samples from certified trees (Prunus avium L) of two cultivars (30 from Ferrovia and 26 from Giorgia), grown in the same pedodimatic Apulian region, were analyzed by H-1 NMR spectroscopy and Multivariate Analysis (MVA). Interestingly, despite the usually lower commercial value with respect to the Ferrovia, Giorgia cultivar shows higher content of malic add and phenolic compounds with important well known nutraceutical properties such as antioxidant activity and stimulating metabolism. (C) 2016 Elsevier Ltd. All rights reserved.
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