![]() ![]() in butane, CO2, propane, etc, when the extracts are utilized for inhalation. Depending on its subsequent use, active substances from cannabis are extracted e.g. Ultrasonic extraction can be performed with a broad variety of solvents. This means that the extraction process of active substances such as cannabinoids and terpenes from the cannabis plant can be substantially increased by ultrasound. From the broken cells, high amounts of bioactive compounds such as cannabinoids are efficaciously released within a very short extraction time. ![]() Sonication applies intense shear forces and stress to the medium thereby breaking cell walls of the cannabis plant material. Ultrasound-assisted extraction is a long-time proven and industrially established extraction technique, which is known for high extract yields, rapid processing and simple operation. Ultrasonic Extraction of Cannabinoids and Terpenes Hielscher manufactures ultrasonic extractors for the isolation of cannabinoids in lab to full industrial scale.The ultrasonic extraction is simple and reliable. With power ultrasound, cannabis extraction gets faster, more complete and highly efficient.Ultrasonic extraction is proven to shorten the extraction time and to increase yield considerably. To meet the rising demand and to supply cannabinoids of high quality, an efficient and reliable cannabis extraction method is substantial.Here is some documentation about the Eden apparatus: So, together with a steel smith that doesn't sound like rocket science right? - am I overlooking a crucial point? Edenlabs sure has done its research, so my concern is that a DIY apparatus is not working properly because of some obscure ratio or formula that wasn't thought of.Active ingredients APIs aromatic hydrocarbons BHO bio-pharmaceuticals bioactive botanical cannabis products break cells butane hash oil cannabinoid cannabinoid matrix cannabis cannabis oil cannabis sativa decarboxylated extract Delta-9-Tetrahydrocannabinol Carboxylic Acid drug analysis drug potency testing drug testing edible cannabis products edible oils entourage entourage effect ethanol extraction plant extraction protocol extraction yield flowers full spectrum extract full spectrum extracts green extraction hash oil heat-sensitive hemp hemp proteins hemp seed oil hielscher ultrasonic devices HPLC hydrocarbons marihuana marijuana marijuana hash oil mass transfer medical mild extraction method nutraceuticals oil extraction pharmaceutical extracts plant oils process lab protocol seeds solvent extraction solvent-free extraction Sono-Soxhlet supercritical CO2 extraction terpene terpenes tetrahydrocannabinol THC THCA therapeutic cannabinoids tinctures tobacco trichomes ultrasonic drug testing ultrasonic extraction ultrasonic extractor Ultrasound-assisted extraction Δ9-THC-A Like with the Eden design, the same apparatus could then be re-fitted to work as a solvent recovery system in the very same fashion except that for the herb basket there is a funnel which collects the condensate and transfers it to a second vessel. At a pressure low enough, the ethanol will boil at room temperature and on goes the soxhlet. Add a pressure gauge and essentially that's it - herb is added in a suspended basket, ethanol added, and vacuum applied. The main pressure valve that is already built into the lid is used as the vacuum valve. Two additional holes are drilled into the lid for the cooling water circuit. Then, below the lid a circularly winded copper tube is attached as a condenser. The basic idea is to re-purpose a pressure cooker into a vacuum chamber. But before going for it I want to make sure there isn't something obvious I'm missing - or if there's another way to go that's better in the first place. So I am planning a DIY project to build a vacuum soxhlet based on a 20L pressure cooker. It seems like the only commercially available option for this type of situation is the Coldfinger from Eden which can handle vacuum and up to 50L capacity - but it costs 14'000USD. A soxhlet takes care of that to a certain degree, however, the glass soxhlets are not commonly made larger than 2-3L. ![]() Also, buying larger amounts of ethanol is prohibitive, and there is always the problem of solvent recovery. ![]() But as volume increases, dealing with larger amounts of liquid becomes an issue. Because applying heat to many herbs degrades some constituents and impacts the flavor, cold maceration has so far been the preferred choice. Hi! I am making small scale tinctures and extracts but have been running into capacity problems lately. ![]()
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