DETERMINATION OF THE IRIDOID AND AUCUBIN CONTENT IN THE PLANT PHLOMOIDES SPECIOSA
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Abstract
In this study, the amount of iridoid glycosides, including aucubin, isolated from the plant Phlomoides speciosa was determined by a colorimetric method. The plant raw material was extracted with 50% ethanol, lipophilic substances were separated using petroleum ether, and purification was carried out on a neutral aluminium oxide adsorbent. The Trim-Hill reagent was used to determine the iridoids, and the resulting blue-coloured complex was evaluated photometrically at 570 nm. According to the results of the study, the aucubin content in Phlomoides speciosa amounted to 0.03 %. The data obtained confirm the pharmacological significance of this plant and indicate it as a promising source for the development of medicinal preparations.
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