Profile of antioxidant activities of selected strawberry genotypes.
Khanizadeh, S., Tao, S., Zhang, S., Tsao, R., Rékika, D., Yang, R., Charles, M.T., Gauthier, L., and Gosselin, A. (2009). "Profile of antioxidant activities of selected strawberry genotypes.", Acta Horticulturae (ISHS), 814, pp. 551-556.
This study was carried out to evaluate the total antioxidant capacity, total phenolic content, and composition of known and new advanced selections among June-bearing and Day-neutral genotypes using ferric reducing/antioxidant power (FRAP), Folin-Ciocalteu (FC) and high performance liquid chromatography (HPLC) assay. The parameters varied between different genotypes. Mean of total phenolic content and total antioxidant capacity in Day-neutral strawberries were estimated to be 1341 µg/g and 2062 mg/g, respectively, which were higher than those in June bearing genotypes (1119 μg/g and 1917 mg/g). There was a positive correlation between total phenolic content and total antioxidant capacity. Conversely, June-bearing strawberries had higher mean of each group of phenolics than those in Day-neutral genotypes, no correlation between individual compound and total antioxidant activity (FRAP) was obtained. These results revealed the importance of genetic background for the content of total phenolics, showed the potential value of certain new cultivars, and advanced lines as parents in a breeding program to produce new strawberry cultivars with higher levels of antioxidant capacity.
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