title: [Volatile oil in Ephedra sinica Stapf. and its processed products by GC-MS].
abstract: This paper deals with the changes in contents and chemical composition in the volatile oil of Ephedra sinica before and after processing. The results indicate that after processing, the more the substances of low boiling point, the higher their contents and vice versa. The changes are particularly obvious in yellow-fried Ephedra sinica.
authors.affiliation: China Pharmaceutical University, Nanjing.
authors.forename: Q
authors.initials: Q
authors.lastname: Zeng
authors.forename: C
authors.initials: C
authors.lastname: Liu
authors.forename: G
authors.initials: G
authors.lastname: Lou
authors.forename: L
authors.initials: L
authors.lastname: Zheng
authors.forename: H
authors.initials: H
authors.lastname: Jiang
mesh_terms: D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D008401:Gas Chromatography-Mass Spectrometry; D006358:Hot Temperature; D009822:Oils, Volatile / Q000032:analysis*
chemical_list: D004365:Drugs, Chinese Herbal; D009822:Oils, Volatile