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CARDENOLIDES IN NORTH AMERICAN ERYSIMUM (CRUCIFERAE), A PRELIMINARY CHEMOTAXONOMIC REPORT
Author(s) -
Rodman James,
Brower Lincoln,
Frey Julia
Publication year - 1982
Publication title -
taxon
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.819
H-Index - 81
eISSN - 1996-8175
pISSN - 0040-0262
DOI - 10.2307/1220682
Subject(s) - cardenolide , biology , botany , glycoside , chemotaxonomy , genus , taxonomy (biology)
Summary Cardenolides (cardiac glycosides) are reported for the first time from wild‐collected material of Erysimum native to North America. For two seed samples of wild origin and for 24 leaf samples from greenhouse‐grown plants, total cardenolide content was determined by spectrophotometric assay in reactions with 2,2‘,4,4‘‐tetranitrodiphenyl. Qualitative composition was studied by TLC in two solvent systems. Variation in concentrations and in arrays of compounds among populations suggests that cardenolide profiles may provide useful chemotaxonomic characters. Cardenolides are also likely to be important in mediating plant‐herbivore interactions in the genus Erysimum .