Article | . 2017 Vol. 35, Issue. 6
Evaluation of Bioactive Compounds in Strawberry Fruits by a Targeted Metabolomic Approach



Department of Horticultural Bioscience,Life and Industry Convergence Research Institute, Pusan National University,1
Department of Plant Bioscience, Life and Industry Convergence Research Institute, Pusan National University2
Gyongnam Agricultural Research and Extension Services3
Department of Horticulture, Gyeongsang National University4




2017.. 805:819


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Strawberry (Fragaria ×ananassa Duch.) is referred to as a functional fruit because of its high nutritional value. Here, we used a targeted metabolomics approach to investigate the quantitative variation in strawberry bioactive compound concentration across cultivars and breeding lines and during fruit ripening. We also compared the efficiency of 95% ethyl alcohol (EtOH), 50% EtOH, and water in extracting these compounds. High-performance liquid chromatography (HPLC) and multivariate analysis revealed that 50% EtOH extracted bioactive compounds more efficiently than 95% EtOH and water. Screening of targeted bioactive compounds extracted with 50% EtOH in six cultivars and 28 breeding lines revealed high abundance of anthocyanins, flavonols, flavanols, and cinnamic acid, which constituted up to 6.4 mg·g-1 of fresh weight of fruits. The highest concentration of phenolic compounds was observed in breeding lines ‘SB08’, ‘SB11’, ‘Arang’, ‘SB09’, and ‘SB10’. Furthermore, significant changes in the concentration of these compounds occurred during fruit ripening in four strawberry cultivars. Overall, our results highlight the chemotypic relationship between cultivars, breeding lines, and fruit ripening associated-changes in strawberries, and these findings provide a chemometric method for choosing optimal cultivars/breeding lines.



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