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1,3-Dimethylamylamine (DMAA) in supplements and geranium products: natural or synthetic?

1,3-Dimethylamylamine (DMAA) in supplements and geranium products: natural or synthetic?

  1. davestate
    1,3-Dimethylamylamine (DMAA) is a stimulant existing in various pre-workout supplements and often labelled as part of geraniumplants. The safety and origin of DMAA in these supplements is the subject of intense debate. In this study, the enantiomericand diastereomeric ratios of two different known synthetic DMAA compounds, aswell as the total concentrations of DMAA and its stereoisomeric ratios in 13 different supplements,were determined by gas chromatography.

    The stereoisomeric ratios of DMAA in the synthetic standards and in all the commercial supplements were indistinguishable. Eight different commercial geraniumextracts of different geographical origins (China and the Middle East) were examined for the presence of DMAA by high performanceliquid chromatography coupled with mass spectrometry (HPLC-MS). No DMAA was detected in any of the eight geranium products with a limit of detection of 10 parts per billion (w/w).

    Ying Zhang, Ross M. Woods, Zachary S. Breitbach and Daniel W. Armstrong
    Drug Test. Analysis
    DOI 10.1002/dta.1368