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The phrase now commonly refers to the compounds present in cannabis purpotedly working in concert to create "the sum of all the parts that leads to the magic or power of cannabis". [4] Other cannabinoids, terpenoids, and flavonoids may be part of an entourage effect. [11]
Monoterpenes myrcene and sesquiterpenes β-caryophyllene (binds to the human CB2 cannabinoids receptor) and α-humulene are the most common terpene compounds, and are present in most varieties of cannabis strains. The lack of exact standards makes it sometimes difficult for scientists to classify new terpenes.
Traditional heirloom strains of cannabis and contemporary hybrid varieties vary broadly because terpenes in the essential oils of the flowers, which give the buds their fragrance, and the ratio of cannabinoids, the more than 100 different therapeutically-active compounds, are infinitely variable.
Pure sativas are relatively tall (reaching as high as 4.5 meters), with long internodes and branches, and large, narrow-bladed leaves. Pure indica varieties are shorter and bushier, with wider leaflets. They are often favored by indoor growers for their size. Sativas bloom later than indicas, often taking a month or two longer to mature.
In addition to p-cymene, two less common geometric isomers are o-cymene, in which the alkyl groups are ortho-substituted, and m-cymene, in which they are meta-substituted. p-Cymene is the only natural isomer, as expected from the terpene rule. All three isomers form the group of cymenes. Cymene is also produced by alkylation of toluene with ...
Of the several terpenes extracted from Humulus lupulus (hops), the largest monoterpenes fraction is β-myrcene. One study of the chemical composition of the fragrance of Cannabis sativa found β-myrcene to compose between 29.4% and 65.8% of the steam-distilled essential oil for the set of fiber and drug strains tested. [8]
Turpentine is composed of terpenes, primarily the monoterpenes alpha-and beta-pinene, with lesser amounts of carene, camphene, limonene, and terpinolene. [ 3 ] Substitutes include white spirit or other petroleum distillates – although the constituent chemicals are very different.
Terpineols: alpha-, beta-, gamma-, and the 4-terpineol isomer Terpineol has a pleasant odor similar to lilac and is a common ingredient in perfumes, cosmetics, and flavors. α-Terpineol is one of the two most abundant aroma constituents of lapsang souchong tea; the α-terpineol originates in the pine smoke used to dry the tea.