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This method is also centuries old and is somewhat of a middle point between CO2 extraction and steam distillation when it comes to complexity and efficiency. It bears many similarities to CO2 extraction, albeit without the advanced methodology that’s behind the "supercritical" part. In layman's terms, this type of extraction involves mixing plant material with some type of solvent that will carry the essential oils given the right conditions and enough time. Some of the most popular natural solvents are alcohol (ethanol) and natural plant oils (including olive oil), with alcohol being much more efficient in dissolving the plant’s compounds. But due to the higher cost associated with ethanol, many manufacturers choose to go with synthetic solvents (hydrocarbons like butane or hexane), which may end up in lower quality, or even CBD oil that's unfit for consumption if they're not removed properly from the final product. Solvent extraction is a delicate CBD extraction process and its pros and cons, as well as the consistency of the resulting oil, varies greatly depending on the solvent used. It can be more efficient than steam distillation if performed properly, but it carries a lot of risk and most labs choose CO2 extraction if they can afford it.
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發表於 2025-8-6 09:29:08