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Cannabidiol (CBD) is a phytocannabinoid, one of 113 identified cannabinoids in cannabis plants, along with tetrahydrocannabinol (THC), and accounts for up to 40% of the plant's extract. [16] Medically, it is an anticonvulsant used to treat multiple forms of epilepsy. [4]
CBD shares a precursor with THC and is the main cannabinoid in CBD-dominant Cannabis strains. CBD has been shown to play a role in preventing the short-term memory loss associated with THC. [29] There is tentative evidence that CBD has an anti-psychotic effect, but research in this area is limited. [30] [24]
CBD commonly refers to: Cannabidiol, a drug component of cannabis; Central business district, of a city; CBD may also refer to: Biology. Ecology.
CBD heated to 175, [13] or 250–300 °C may partially be converted into THC. [14] Even at room temperature, trace amounts of THC can be formed as a contaminant in CBD stored for long periods in the presence of moisture and carbon dioxide in the air, with storage under inert gas required to maintain analytically pure CBD.
[3] [4] Cannabidiol (CBD) is another major constituent of some cannabis plants. [5] Conversion of CBD to THC can occur when CBD is heated to temperatures between 250–300 °C (480 to 570°F), potentially leading to its partial transformation into THC. [6] At least 113 distinct cannabinoids have been isolated from cannabis. [7]
H4CBD (hydrogenated CBD, tetrahydrocannabidiol) is a cannabinoid that was first synthesized by Alexander R. Todd in 1940 derived from the catalytic hydrogenation of cannabidiol. [ 1 ] H2-CBD and 8,9-dihydrocannabidiol have also been referred to as "hydrogenated CBD", which may cause confusion.
A CBD cigarette is a cigarette made with hemp instead of purely tobacco, containing cannabidiol (CBD) but a negligible amount of psychoactive tetrahydrocannabinol (THC). The effects [clarify] typically last between 2–3 hours and can take anywhere from seconds to several minutes to set in, making it one of the fastest methods to feel the effects of cannabidiol.
CBD is a 5-HT 1A receptor agonist, which is under laboratory research to determine if it has an anxiolytic effect. [145] It is often claimed that sativa strains provide a more stimulating psychoactive high while indica strains are more sedating with a body high. [146] However, this is disputed by researchers. [147]