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Extraction must take place at the correct temperature for optimal results, especially when using ethanol extraction. If the temperature is too high, undesired and, unwanted chemicals could be extracted, ruining the product batch. This is why cold extraction has become the preferred method amongst quality distillate manufacturers. In this article, we’ll break down the science behind this amazing process and show why cold extraction is the superior process.
How does cold extraction work?
The Cryo Ethanol Process can function as follows:
Ethanol is first cooled to –70 degrees. It is known as cryogenic ethanol or cryo ethanol when it is this cold. Next, raw materials are fed into the extractor. Cryo ethanol is added to the extractor to separate the desired molecules and repeatedly pumped through the raw material.
Centrifugation then distinguishes the ethanol from the solid biomass (which also contains the dissolved target molecules). Minute biomass will next be separated from the ethanol solution through filtration. Finally, distillation separates the desired compounds from the ethanol. The ethanol is evaporated by heating the filtered solution, which is then condensed. High purity cannabis oil, for example, will remain after ethanol has evaporated.
Why use cold ethanol?
There are several reasons why ethanol is an excellent solvent for extracting botanical oils, and its qualities are significantly improved upon when cold. Cryogenic extraction typically results in a pure product, eliminating the need for winterization or filtration steps.
Due to its chemical makeup, it can extract or dissolve most polar and non-polar molecules. This makes full-spectrum products possible. It removes the molecules relatively rapidly and easily because, unlike other common solvents like CO2 and hydrocarbons, it is a non-viscous liquid at ambient temperatures and pressures.
Cold ethanol extraction techniques also have considerably faster processing times when compared to CO2 and hydrocarbons.
The temperature of the solvent can affect its capacity to properly distill plant matter, and colder temperatures generally lead to better results. Lipids and chlorophyll are two undesirable substances that are part of biological materials that need to be filtered out when extracting your desired compound. They significantly reduce the overall quality of your distillate, so it’s critical that these byproducts are entirely removed during the extraction process, and cold ethanol is easily the best method for discarding unwanted materials. Why is that so?
The straightforward response is that when chlorophyll and lipids are extracted in colder climates, they remain stuck inside the plant as frozen particles, making them easier to remove. The capacity of ethanol to dissolve polar compounds is significantly reduced when it is cold, which causes it to extract non-polar molecules first. This reduces additional steps and almost entirely eliminates the need for further filtration.
Overall, it’s fast, low-risk, and easily scalable, making cold extraction the ideal solution for distillation.
Cold extraction is one of the most effective and reliable methods of creating high-quality, full-spectrum distillates. At Abundant Labs, we use only the best equipment to ensure that our cryo ethanol extraction process is even smoother.
Experience the difference between crudely-extracted distillate and high-quality cryo extraction solutions with any of our retail, bulk, and wholesale products. For more information on our equipment and distillation process, visit our website at https://abundantlabs.com.