2000-11
AUTHORSJames R. Ehleringer, John F. Casale, Michael J. Lott, Valerie L. Ford
ABSTRACTHere we show that cocaine originating from different geographic regions in South America can be identified by its isotope-ratio signature. The distinct carbon (δ13C) and nitrogen (δ15N) isotope-ratio combinations allow the country of origin to be determined for the principal coca-growing regions along the Andean Ridge. By combining this information with detectable differences in the patterns of the trace alkaloids truxilline and trimethoxycocaine, we correctly identified the source of 96% of 200 cocaine samples. More... »
PAGES311-312
http://scigraph.springernature.com/pub.10.1038/35042680
DOIhttp://dx.doi.org/10.1038/35042680
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PUBMEDhttps://www.ncbi.nlm.nih.gov/pubmed/11099029
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