(Received 22 November 1971; accepted 10 December 1971)
Published Online: 1972
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Red oil extract of cannabis traditionally is obtained from the ethanol extractable constituents of hemp. That portion of the ethanol-extracted material which remains after steam distillation and aqueous washing is distilled under vacuum and constitutes crude red oil, an item of illegal commerce.
Johns Hopkins University School of Medicine, Baltimore, Md.
Chemistry Laboratory, U.S. Customs Service, Baltimore, Md.
Stock #: JFS10682J