Extracting Cannabis Oil

Extracting Cannabis oil could be done using numerous processes. What are the pros and cons of each of these methods?

Ever since medical cannabis advocate Rick Simpson suggested that cannabinoids could be extracted from hemp or marijuana using petroleum ether or naphtha, extracting cannabis oil has been surrounded by controversy in some quarters, and experimentation with other solvents in others. What’s the problem?

These solvents are unsafe for human consumption!

The problem with either of Simpson’s methods for extracting cannabis oil is that the solvents are actually carcinogenic. Researchers tested the different methods of extraction using a substrate such as a solvent, or more comfortingly, olive oil.

The research results were interesting: harsh solvents seemed to extract the greatest amount of cannabinoids, but terpenes had not been as well extracted. Ethanol and olive oil extractions did not do as good a job of extracting cannabinoids, but the terpene levels were higher...

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