| Abstract
| - Fruit juice of a new pigmented citrus hybrid named Omo-31 and those of its parents clementine cv.Oroval (Citrus clementina Hort. ex Tan.) and Moro orange [Citrus sinensis (L.) Osbeck] were analyzedduring fruit maturation to determine juice yield, total soluble solids (TSS), total acidity (TA), TSS/TAratio (classical parameters of quality), and potential health beneficial components, such as vitaminC, flavanones, anthocyanins, and phenolic acids. Results showed that juice yield, TA, TSS, and TSS/TA ratio values of Omo-31 were similar to those of the Moro orange. Vitamin C content of the newhybrid was slightly higher than that of clementine and lower than that of the Moro orange, but atmaturity stage no differences were observed among the three genotypes. The phenolic compoundscontent of the new hybrid and those of the parents and their evolution during maturation were studied.At maturity stage the amount of anthocyanins, flavanones, and hydroxycinnamic acids in Omo-31was found to be notably higher than those of the parents. The high level of antioxidant substancesmakes this new fruit important for its nutritional benefits. Keywords: Citrus hybrid; blood orange; clementine; anthocyanins; flavanones; hydroxycinnamic acids
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