Cannabigerol (CBG) is a common cannabinoid located in fundamentally all cannabis plants. Like the entire cannabinoids pointed out thus far, CBG is produced as CBGA in the trichome with the cannabis flower. All the primary cannabinoids are created from CBGA. The above chemical reaction describes what happens in respiration, i.e, https://trevorewyiv.webbuzzfeed.com/33490650/rumored-buzz-on-thc