Abstract
We report here the first identification and assay of several phenolic compounds in the dwarf Labrador tea growing in various areas of the Yamalo-Nenets Autonomous District, using HPLC. Nine phenolic compounds were identified, these being flavonoids, phenolcarbonic acids, catechols, and tannins: tannin, epicatechin, gallic, chlorogenic, and caffeic acids, and the flavonoids vitexin, rutin, dihydroquercetin, and luteolin-7-glycoside. Investigations of the dwarf Labrador tea may be of interest for its further study with the aim of broadening the native raw materials base for this medicinal material. The presence of tannin, gallic acid, and vitexin in significant quantities in this material suggests that dwarf Labrador tea shoots may have a wide spectrum of pharmacological activity.
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