Cannabis sativa or Indian hemp (subfamily Cannaboideae of family Moraceae) is an annual herbaceous plant, native to central and western Asia, cultivated for medicinal properties and for hemp, which is a natural textile fiber. The plant contains over 400 chemical compounds, of which approximately 80 biologically active chemical molecules. The most important cannabis compounds are cannabinoids formed by a terpene combined with resorcinol, or, according to a different nomenclature, by a benzopyranic ring system. There are about sixty cannabinoids, of which the most important psychoactive compound is tetrahydrocannabinol (TCH), in particular the isomer delta (Δ9-THC). Other identified compounds are cannabidiol (CBD), cannabigerol (CBG), cannabinol (CBN), cannabichromene (CBC), and olivetol. In addition to cannabinoids, the plant contains terpenoids such as beta-myrcene, beta-caryophyllene, d-limonene, linalool, piperidine, and p-cymene, as well as flavonoids such as quercetin.
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