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- Title
EVALUATION OF POLYPHENOLS CONTENT AND ANTIOXIDANT ACTIVITY IN FRESH ORANGE JUICES OF DIFFERENT VARIETIES, AT THE MATURING STAGE OF THE FRUITS.
- Authors
Georgios-Christos, Stavropoulos; Nikolaos, Gougoulias; Alexandras, Papachatzis; Nikolaos, Koutinas; Georgios, Zakynthinos; Maria-Nektaria, Ntalla
- Abstract
Orange juices from eight varieties of orange fruits (Navelina, Newhall, Merlin, Tarocco, Moro, Valencia, Lane late and Salustiana) grown in Peloponnese region, have been studied for evaluating and comparing their polyphenols content and antioxidant properties. It has been established that total phenols (TP) of the orange juices move in broad ranges depending on the variety type, chemical soil properties, and the ecological conditions of fruits cultivation. The content of TP in the orange juices ranged from 344.7 to 522.9 mg GAE L~1 juice, non-flavonoid phenols (NFP) ranged from 47.7 to 98.4 mg GAE L~1 juice and flavonoid phenols (FP) from 253.1 to 439.5 mg GAE L1 juice. The lower ICso values (22.7 and 23.8 pL orange juices), which indicated higher antioxidant potential, were obsen/ed for the orange juices from the Newhall and Salustiana varieties respectively, while the antioxidant activity FRAP ranged from 7.3 to 12.5 mM FRAP.
- Subjects
ORANGE juice; ORANGE varieties; PHYSIOLOGICAL effects of antioxidants; PHYSIOLOGICAL effects of phenols; PLANT growth
- Publication
Analele Universitatii din Craiova. Seria Biologie, Horticultura, Tehnologia Prelucrarii Produselor Agricole, Ingineria Mediului, 2018, Vol 23, p227
- ISSN
1453-1275
- Publication type
Article