Reposted from @beardbros_pharms - By now, most people familiar with cannabis have heard of THC (tetrahydrocannabinol) and CBD (cannabidiol) and their effects, but did you know there are many similar compounds in cannabis? A lesser-known cannabinoid called cannabigerol (CBG), while not present in large quantities in most strains, is nonetheless worth learning about for a number of reasons.
How Is CBG Made?
CBG is a non-intoxicating cannabinoid, meaning it doesn’t produce the “highs” that are synonymous with THC. Because it is present in low levels (usually less than 1%) in most cannabis strains, CBG is considered a minor cannabinoid.
Amazingly, however, THC and CBD start out as CBG—it’s the chemical parent of THC and CBD. Cannabis plants produce cannabigerolic acid (CBGA), the precursor to the three main cannabinoid lines:
tetrahydrocannabinolic acid (THCA),
cannabidiolic acid (CBDA),
and cannabichromenic acid (CBCA).
Specific enzymes in the plant break CBGA down and “direct” it toward one of the three lines. The acids are exposed to ultraviolet light or heat, and voila, they become the cannabinoids we know: THC and CBD. In most strains, CBGA is immediately converted to either THCA or CBDA. Thus, more THC means less CBG and CBD (and vice versa) by nature of how these compounds are synthesized.
To obtain higher yields of CBG, breeders are experimenting with genetic manipulation and cross-breeding of plants. Scientists can also extract higher levels of CBG from budding plants by pinpointing the optimum extraction time, about six weeks into an eight week flowering cycle. A medicinal strain called Bediol is produced in this fashion by the Dutch company Bedrocan BV Medicinal Cannabis.
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