Abstract
A simple LC method has been developed for the simultaneous determination of the flavonols rutin, myricetin, quercetin, kaempferol and the stilbene, trans-resveratrol, in wines. Sample clean-up was performed with polymeric Nexus ABS ELUT cartridges. The polyphenols were separated in less than 25 min using gradient elution and UV detection at 320 nm. Average recoveries of the analytes from spiked wine ranged from 82.2 to 117.6% and the detection limits, based on spiked extracted synthetic wine, ranged from 0.02 to 0.2 mgL−1. The method was applied to the analysis of Greek wines.
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