Author
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Johnson, Emanuel |
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Schmidt, Walter |
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Emche, Stephen |
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MOSSOBA, MADGI - FDA, WASHINGTON, DC |
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MUSSER, STEPHEN - FDA, WASHINGTON, DC |
Submitted to: Botanical Society of America Proceedings
Publication Type: Abstract Only Publication Acceptance Date: 8/31/2001 Publication Date: N/A Citation: N/A Interpretive Summary: Technical Abstract: A new flavonol rhamnosyl diglycoside was isolated from leaf tissue of Amazonian field-grown coca Erythroxylum coca var. ipadu Plowman conjointly with kaempferol. The structure of the flavonol has been determined as kaempferol 4'-O-(rhamnosyl)glucoside by spectral analyses. The array of flavonoids present in E. c. var. ipadu currently under cultivation in Colombian fields is indicative of a recent cross, but consistent with ancestralship to E. c. var. coca and the flavonol is useful as a chemotaxonomic marker for the taxon. |