Is Hedysarum mackenziei (Wild Sweet Pea) Actually Toxic?
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2008
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University of Hawaii at Manoa
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Abstract
Hedysarum mackenziei Richardson (wild sweet pea, bear root) is widely regarded as toxic and warnings about confusing it with its edible cousin Hedysarum alpinum Richardson (Eskimo potato) abound. To find the chemical basis for this claim, we performed an exhaustive comparison of the secondary chemistry between the two plants as well as a search for nitrogen containing metabolites (alkaloids) in both species. No chemical basis for toxicity could be found. These results were consistent with a subsequent cytotoxic assay performed on an extract of H. mackenziei. Finally, a critical examination of the literature could find no credible evidence that H. mackenziei is toxic in spite of these widespread rumors.
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research
Keywords
Hedysarum mackenziei, wild sweet pea
Citation
Treadwell EM, Clausen TP. 2008. Is Hedysarum mackenziei (wild sweet pea) actually toxic? Ethnobotany Research and Applications 6:319-321.
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