title: [Determination of cholesterol in natural bezoar by gas chromatography].
abstract: A gas chromatographic method for the determination of free and total cholesterol in natural bezoar has been established in this report. The method is simple, specific and accurate. The free and total cholesterol contents in three kinds of bezoar are between 0.072% to 0.214% and 0.546% to 0.608% respectively.
authors.affiliation: National Institute for Control of Pharmaceutical, Beijing.
authors.forename: Q
authors.initials: Q
authors.lastname: Zhang
authors.forename: K
authors.initials: K
authors.lastname: Yan
authors.forename: L
authors.initials: L
authors.lastname: Qian
mesh_terms: D000818:Animals; D002417:Cattle; D002769:Cholelithiasis / Q000737:chemistry; D002784:Cholesterol / Q000032:analysis*; D002849:Chromatography, Gas; D008419:Materia Medica / Q000737:chemistry*
chemical_list: D008419:Materia Medica; D002784:Cholesterol