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Iridoid Patterns of Genus Plantago L. and Their Systematic Significance Rilka Taskova

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Iridoid Patterns of Genus Plantago L. and Their Systematic Significance

Rilka Taskova

a,

*, Ljubka Evstatieva

a

, Nedjalka Handjieva

b

and Simeon Popov

b

a Institute of Botany, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria.

Fax: ++35 92-7 19-0 32. E-mail: rilkatas@abv.bg

b Institute of Organic chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria

* Author for correspondence and reprint requests

Z. Naturforsch.57 c, 42Ð50 (2002); received August 7/October 5, 2001 Plantago, Iridoid Glucosides, Chemosystematics

The distribution of 14 iridoid glucosides in 14PlantagoL. species (44 samples correspond- ing to 18 taxa) was shown.P. tenuifloraandP. gentianoideswere studied for iridoids for the first time. The iridoid patterns showed a good correlation with morphological and other chemical features of the representatives of genusPlantago.The studied species are grouped together according to the iridoid patterns: species containing mainly aucubin (P. major, P. cor- nuti, P. gentianoides); species containing aucubin and aucubin derivatives (P. subulata, P. media); species containing aucubin and catalpol (P. lanceolata, P. altissima, P. argentea, P. lagopus, P. atrata); species containing aucubin and plantarenaloside (P. afra, P. scabra).

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