The genus Comus: Non-flavonoid glucosides as taxonomic markers |
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| Authors: | SRosendal Jensen A Kjaer BJuhl Nielsen |
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| Institution: | Department of Organic Chemistry, The Technical University of Denmark, 2800 Lyngby, Denmark |
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| Abstract: | Previous proposals for subdivision of the genus Cornus are reviewed. Twenty-seven authenticated Cornus species have been studied for their content of non-flavonoid glucosides. Two distinct groups of taxa can be distinguished on this basis: one, containing a hydroxycyclohexadienone glucoside, along with salidroside, its reduced counterpart, and the second, characterized by containing various iridoid glucosides. The two types of glucosides are apparently mutually exclusive. |
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| Keywords: | Cornaceae Angiospermae hydroxycyclohexadienone glucoside salidroside iridoid glucosides chemotaxonomy |
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