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Chromatograms showing retention times for flavonols identified in (A) organic (B) integrated and (C) conventional strawberries (1) quercetin-3-O-rutinoside, (2) myrycetin, (3) quercetin, (4) luteolin, (5) quercetin-3-O-glucoside, (6) kaempferol-3-O-glucoside, (7) kaempferol.
