date:Feb 25, 2019
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Hydrocarbon extraction
While commonly used as a food ingredient extraction methodology, including corn, this inexpensive and potentially explosive method uses solvents such as butane, pentane or hexane.
In the hemp industry, this is typically seen with those that produce CBD isolate as opposed to a full-spectrum hemp extract. This is because it is the cheapest and most efficient method.
Chromatography
Another more expensive, and less commonly used, method to create an isolate from extrac