title: Determination of the derivative from ginkgolide B.
abstract: A new compound decomposed from ginkgolide B(GB) is discovered and identified by MS and UV spectrum. It is the dehydrate of GB, which was named as ginkgolide K before. Differently, it cannot exist independently, but only in equilibrium with GB. It is found first time that 3-hydroxy is active in some solvent.
authors.affiliation: Key laboratory of Bioprocess, Hefei University of Technology, Ministry of Education, Hefei, PR China.
authors.forename: Chuanxun
authors.initials: C
authors.lastname: Yuan
authors.forename: Jian
authors.initials: J
authors.lastname: Pan
authors.forename: Xueqiao
authors.initials: X
authors.lastname: Hu
mesh_terms: D002851:Chromatography, High Pressure Liquid; D020441:Ginkgo biloba / Q000737:chemistry; D046934:Ginkgolides / Q000032:analysis* / Q000737:chemistry / Q000592:standards; D007783:Lactones / Q000032:analysis* / Q000737:chemistry / Q000592:standards; D015394:Molecular Structure; D013329:Structure-Activity Relationship
chemical_list: D046934:Ginkgolides; D007783:Lactones; C481151:ginkgolide K; C045856:ginkgolide B