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Hair analysis is a suitable way to discriminate between coca chewers and consumers of manufactured cocaine using the… Expand Hygrine (HYG) and cuscohygrine (CUS) are natural alkaloids of coca leaves but are not found in illicit cocaine seizures… Expand Contrary to the illegal use of any form of manufactured cocaine, chewing of coca leaves and drinking of coca tea are allowed and… Expand The terminal step in cocaine biosynthesis is catalyzed by an acyltransferase that utilizes benzoyl-CoA and methylecgonine as… Expand AbstractErythroxylum coca (Erythroxylaceae) is the source of the tropane alkaloid cocaine. Several lines of evidence suggest that… Expand Aims Contrary to the illegal use of any form of manufactured cocaine, chewing of coca leaves and drinking of coca tea is allowed… Expand Abstract: Four new impurities have recently been detected in the gas chromatographic signature profiles of many illicit cocaine… Expand An high-performance liquid chromatography (HPLC) method is reported for the detection of manufacturing by-products and impurities… Expand The cultivated Erythroxylum varieties E. coca var. coca, E. coca var. ipadu, E. novogranatense var. novogranatense and E… Expand The technique of mass-analyzed ion kinetic energy (MIKE) spectrometry is briefly reviewed. The direct analysis, without need of… Expand