Wang, Ziming Improved solvent-free microwave extraction of essential oil from dried Cuminum cyminum L. and Zanthoxylum bungeanum Maxim. [electronic resource] - Journal of chromatography. A Jan 2006 - 11-7 p. digital Publication Type: Journal Article ISSN: 0021-9673 Standard No.: 10.1016/j.chroma.2005.10.032 doi Subjects--Topical Terms: Chromatography, Liquid--methodsCuminum--chemistryMicrowavesOils, Volatile--isolation & purificationSolvents--chemistryZanthoxylum--chemistry