The aim of this application note was to isolate a flavonol, quercetin, from a Ginkgo Biloba mother tincture. The prepurification of the mother tincture was performed on a reversed phase flash column by the means of dry loading. The target compound was identified by its characteristic UV-VIS spectra and the retention time determined by running a standard. Subsequently, the purification of the pre-purified fraction of the target compound was performed with a 10 μm reversed phase prep-HPLC column.
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