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Decarboxylation is one of the most important chemical processes which enable our bodies to fully utilize THC and CBD and their benefits. decarboxylation smoking baking Cannabis plant does not produce Δ9-tetrahydrocannabinol (THC) or cannabidiol (CBD). It actually makes Δ9-tetrahydrocannabinolic acid (THCA) and cannabidiolic acid (CBDA), which have not been proved to induce psychoactive effects, such as the “high” feeling from THC. THCA and CBDA are converted to THC and CBD respectively by a process called decarboxylation, in which these compounds are chemically changed and have a by-product of carbon dioxide gas (CO2) (see Figures 1 and 2).1 This is accomplished when THCA and CBDA are heated, either when being smoked/vaped or during extraction into edible ingredients, for example by heating oil with cannabis while making brownies. thc decarboxylation Figure 1: The transformation of THCA molecule into THC + CO2. cbd decarboxylation Figure 2: The transformation of CBDA molecule into CBD + CO2. References:
  1. Veress, T.; Szanto, J. I.; Leisztner, L. (1990). Determination of cannabinoid acids by high-performance liquid chromatography of their neutral derivatives formed by thermal decarboxylation: I. Study of the decarboxylation process in open reactors. Journal of Chromatography A, 520(Supplement C), 339--347.