[Study on the extraction process for cannabinoids in hemp seed oil by orthogonal design].

“OBJECTIVE: To select the optimum extracting procedure for cannabinoids from hemp seed oil.

METHODS: The optimum extracting procedure was selected with the content of cannabinol and delta9-tetrehydrocannabinol from hemp seed oil by orthogonal test design. We have examined three factors that may influence the extraction rate: the time of extraction, the times of extraction and the amount of methanol.

RESULTS: The optimum extraction condition was adding 5 ml, two times amount of methanol into hemp seed oil for 15 min.

CONCLUSION: The above extraction process gave the most rational, stable, feasible and satisfactory results. The method is convenient.”

http://www.ncbi.nlm.nih.gov/pubmed/16131037

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