Agronomic characteristics and phytochemical profiles of advanced June-bearing strawberry lines for the northern Canadian climate.

Xie, Z., Fan, J.S., Charlebois, D., Roussel, D., Dubé, C., Charles, M.T., and Khanizadeh, S. (2014). "Agronomic characteristics and phytochemical profiles of advanced June-bearing strawberry lines for the northern Canadian climate.", Agricultural and Food Science, 23(1), pp. 38-47.

Abstract

Eleven advanced strawberry lines (‘SJ011 10’, ‘SJ0440 2’, ‘SJ061 8’, ‘SJ066 3’, ‘SJ069 3’, ‘SJ069 12’, ‘SJ0814 37’, ‘SJ8518 11’, ‘K04 12’, ‘LL0220 10’ and ‘V151’) were evaluated for their yield, fruit quality, total phenolic content, total antioxidant capacity, and phenolic composition, and were compared with a commercial cultivar (‘Wendy’). The results showed that ‘SJ069 3’ had excellent soluble solids content, mid-level titratable acidity, low weight loss, and the best firmness among all the cultivars. Higher total antioxidant capacity was found in ‘SJ069 3’, according to ferric reducing antioxidant power and oxygen radical absorbance capacity assays, an indication that ‘SJ069 3’ is a promising new cultivar for the fresh market. In addition to rich individual phenolics, ‘SJ061 8’ had the highest total antioxidant capacity, which was significantly different from the other genotypes, suggesting the potential use of this line as parent material in breeding or as a functional food ingredient. There was a strong relationship between total antioxidant capacity and total phenolic content, according to Folin–Ciocalteu, ferric reducing antioxidant power, and oxygen radical absorbance capacity assays. This study confirms that anthocyanins are major phenolic compounds contributing to the main antioxidant power of strawberries.

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