A refinement process used to remove fats, waxes, and lipids from extracts. The winterization of oil purifies crude extracts, increasing the quality and flavor of the resultant oil. Cannabis winterization is achieved by mixing cannabis extract with ethanol and freezing the solution to allow the undesirable compounds to solidify. The solution is then passed through a filter, separating, or winterizing, wax, lipids, and fats from…
