There are over 100 active compounds contained in Cannabis plants, with cannabinoids and terpenes being the two largest groups. Two cannabinoids are the most significant of these compounds:
It is the terpenes in Cannabis which are responsible for its strong smell.
In the United Kingdom THC and other cannabinoids are deemed controlled substances under the MDA 1971, while CBD is not deemed to be a controlled substance.
The Cannabis market has four distinct categories:
In addition to the Cannabis market, there is also a substantial Hemp industry which has four main product groups; fibres, shivs, pharmaceuticals and seeds.