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Hash oil or cannabis oil is an oleoresin obtained by the extraction of cannabis or hashish. [1] It is a cannabis concentrate containing many of its resins and terpenes – in particular, tetrahydrocannabinol (THC), cannabidiol (CBD), and other cannabinoids. Hash oil is usually consumed by smoking, vaporizing or eating. [2]
The UNODC states that cannabis often contains 5% THC content, resin "can contain up to 20% THC content", and that "Cannabis oil may contain more than 60% THC content." [145] Studies have found that the potency of illicit cannabis has greatly increased since the 1970s, with THC levels rising and CBD levels dropping.
[1] [2] The most notable cannabinoid is the phytocannabinoid tetrahydrocannabinol (THC) (Delta-9-THC), the primary intoxicating compound in cannabis. [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 ...
THC has a low water solubility therefore it is most effective when ingested alongside a fatty meal or snack. [26] Not all hashish can be consumed orally as some is not decarboxylated during manufacture. Generally the methods are similar to overall cannabis consumption. As hashish’s active ingredient is THC, it has the same effects as cannabis.
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 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.
The chamber of a vape cartridge is filled with a THC- or cannabidiol (CBD)-dominant concentrate, and some producers will reintroduce terpenes that had been removed from the distillation process ...
[4] [20] CBD does not have the same psychoactivity as THC, [25] [26] and can modulate the psychoactive effects of THC on the body if both are present. [17] [25] [27] [28] Conversion of CBD to THC can occur when CBD is heated to temperatures between 250–300 °C, potentially leading to its partial transformation into THC. [29]