Iridoid and Lignan Glucosides from Bellardia trixago (L.) All.

Authors: Tayfun ERSÖZ, Funda Nuray YALÇIN, Deniz TAŞDEMİR, Otto STICHER, İhsan ÇALIŞ

Abstract: Five iridoid glucosides aucubin (I), bartsioside (II), melampyroside (III), mussaenoside (IV) and gardoside meathyl ester (V) as well as the lignan glucoside dehydrodiconiferyl alcohol-4- 0-\beta-D-glucoside (VI) were isolated from the overground parts of Bellardia trixago.The structure elucidation of the isolated compounds (I-VI) was realized on the basis of spectral evidence (UV, IR, 1 H and 13 C NMR) and the results were confirmed by comparison of the isolated compounds with authentic samples on TLC.

Keywords: Bellardia trixago, Scrophulariaceae, iridoid glucosides, lignan glucoside.

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