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Compositional Diversity among Blackcurrant (Ribes nigrum) Cultivars Originating from European Countries

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posted on 23.04.2019, 00:00 by Ye Tian, Oskar Laaksonen, Heta Haikonen, Anita Vanag, Huma Ejaz, Kaisa Linderborg, Saila Karhu, Baoru Yang
Berries representing 21 cultivars of blackcurrant were analyzed using liquid chromatographic, gas chromatographic, and mass spectrometric methods coupled with multivariate models. This study pinpointed compositional variation among cultivars of different origins cultivated in the same location during two seasons. The chemical profiles of blackcurrants varied significantly among cultivars and growing years. The key differences among cultivars of Scottish, Lithuanian, and Finnish origins were in the contents of phenolic acids (23 vs 16 vs 19 mg/100 g on average, respectively), mainly as 5-O-caffeoylquinic acid, 4-O-coumaroylglucose, (E)-coumaroyloxymethylene-glucopyranosyloxy-(Z)-butenenitrile, and 1-O-feruloylglucose. The Scottish cultivars were grouped on the basis of the 3-O-glycosides of delphinidin and cyanidin, as were the Lithuanian cultivars. Among the Finnish samples, the content of myricetin 3-O-glycosides, 4-O-caffeoylglucose, 1-O-coumaroylglucose, and 4-O-coumaroylglucose were significantly different between the two green-fruited cultivars and the black-fruited cultivars. The samples from the studied years differed in the content of phenolic acid derivatives, quercetin glycosides, monosaccharides, and citric acid.

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