BIOACTIVE POLYPHENOL PROFILES AND ANTIOXIDANT ACTIVITY IN ITALIAN APPLES VARIETIES
AbstractIn this study ten organic apple varieties grown in Italy: Renetta Osiris, Gold Rush, Braeburn, Celato Cola, Limoncella, Cerina, Rosada, Topaz, Jonagored, Florina were analysed in order to evaluate some quality parameters. Individual phenolics compounds, total phenolics, glucose, fructose and antioxidant activity was determined in pulp and peel extracts. Results show that the chlorogenic acid was a predominant component in pulp and peel extracts, with highest value in Limoncella and Jonagored respectively. A significant correlation between phenolic composition and antioxidant activity was observed. Apple varieties Renetta Osiris and Gold Rush present significant values on glucose and fructose in pulp.
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