There are many ways to extract CBD from the Hemp or Marijuana plant. Typically they use either gases or solvents which then evaporate away to leave behind the pure CBD oil. Here are the main techniques:
CO2 Extraction – The hemp is placed in a chamber which is then filled with carbon dioxide. By applying pressure to the chamber, the carbon dioxide is turned to liquid, which then absorbs the hemp’s oils and flavours. The end result is a liquid consisting of both carbon dioxide and CBD. This liquid is then pumped into a final chamber where the carbon dioxide is turned into gas.
Ethanol Extraction – Alcohol extraction is a popular and safe method. In simple terms the ethanol separates the plant compounds from the plant material and then evaporates, leaving behind a mixture of cannabinoids, terpenes, flavonoids, chlorophyll and more.
Olive Oil Extraction – Olive oil is used as a natural solvent. The plant is heated and then mixed with olive oil which as it is heated further binds the various compounds to the oil. Typically this is a method used at Home rather than Industrially.
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