{"id":237,"date":"2023-01-02T08:47:42","date_gmt":"2023-01-02T08:47:42","guid":{"rendered":"https:\/\/www.buffaloextracts.com\/knowledge\/?p=237"},"modified":"2025-07-19T08:04:05","modified_gmt":"2025-07-19T08:04:05","slug":"advantages-of-cryogenic-ethanol-extraction-supercritical-fluid-extraction-scfe","status":"publish","type":"post","link":"https:\/\/www.buffaloextracts.com\/knowledge\/advantages-of-cryogenic-ethanol-extraction-supercritical-fluid-extraction-scfe\/","title":{"rendered":"Cryogenic Ethanol vs Supercritical CO2: Key Extraction Advantages"},"content":{"rendered":"

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Cannabidiol (CBD) and tetrahydrocannabinol (THC) are the most well-known cannabinoids. Part of the reason why cannabis is an ancient remedy lies in the health benefits of both. This is where the similarity ends.<\/p>\r\n

While CBD is non-psychoactive i.e. it does not lead the user into an excited or intoxicated state, THC is. Which is why the law classifies cannabis with 0.3% or more THC by dry weight as marijuana, a narcotic. Cannabis with less than this amount of THC is hemp, a substance that is not a narcotic and is increasingly legal over the world.<\/p>\r\n

Producers, therefore, look to maximize CBD in the extract while minimizing or even eliminating THC because some jurisdictions allow cannabis products only with 0% THC. Consumers also demand full spectrum products that include all ingredients in cannabis.<\/p>\r\n

That apart, the extraction as well as the pre- and post- extraction procedures are geared towards retaining some amount of terpenes and flavonoids which impart a distinctive aroma and flavour respectively to the final product.<\/p>\r\n

Among the methods used for cannabis extraction, Cryogenic Ethanol Extraction stands out (along with Supercritical Fluid Extraction) because of its capacity to extract the required products in relatively pure form.<\/p>\r\n

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Cryogenic Ethanol Extraction<\/h2>\r\n

Temperatures between -150 to -273 deg-C are cryogenic temperatures. Such super-low temperatures transform a material\u2019s thermal cum electrical conductivity, strength, and ductility. Materials are, therefore, in a highly ordered state at cryogenic temperatures.<\/p>\r\n

This is how cryo ethanol extraction of cannabis proceeds:<\/p>\r\n