sativa L, Δ 9-tetrahydrocannabinol (or Δ 9-THC) is proscribed in Brazil by the law number
11.343 from August 23rd of 2006 as well as its isomers, salts, ethers and esters. However, Δ
9-THC is the main responsible for the hallucinogenic effects of the plant. The principal
screening test used by the Brazilian Forensic Police is a colorimetric test called Fast Blue B
or BB salt, in which the development of a reddish color in a basic medium indicates the …