LCMS Methodology – Quantifying mescaline in San Pedro (Trichocereus/Echinopsis)

There are lots of different ways you can test plants for drugs. The method we have used to quantify the amount of mescaline in Trichocereus (AKA San Pedro or Echinopsis) cacti uses an instrument that performs liquid chromatography-mass spectrometry (LCMS). In the liquid chromatography part of this…