Thiols, also known as mercaptans, are found in a wide range of natural products, including fruits, vegetables, and herbs. In cannabis, thiols are produced by the plant in response to their environment and are believed to have a protective role in the plant's defense against pathogens and other stressors.
Original Haze was first bred in 1969 in the Santa Cruz Mountains by a gentleman named "G," He exchanged seeds with Skunkman Sam who then saved the variety and turned the world onto Haze.
Purple expressions in cannabis genetics are natural and are largely dependent on the flavonoids within the flower.
Many people in the cannabis community wrongly think that flavonoids (or bioflavonoids; from the Latin word flavus, meaning yellow) have something to do with flavor, but in fact, it has to do with color.