Preparative separation of caffeoylquinic acid isomers from Lonicerae japonicae Flos by pH-zone-refining counter-current chromatography and a strategy for selection of solvent systems with high sample loading capacities.

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作者： Tianyu,Ma ^[1] ; Hongjing,Dong ^[2] ; Heng,Lu ^[2] ; Hengqiang,Zhao ^[2] ; Lanping,Guo ^[3] ; Xiao,Wang ^[4]

作者单位： Key Laboratory of TCM Quality Control Technology, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China; College of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan 250355, China. ^[1] Key Laboratory of TCM Quality Control Technology, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China. ^[2] Resource Center of Chinese Materia Medica, State Key Laboratory Breeding Base of Dao-di Herbs, China Academy of Chinese Medical Sciences, Beijing, 100700, China. Electronic address: glp01@126.com. ^[3] Key Laboratory of TCM Quality Control Technology, Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250014, China. Electronic address: wangx@sdas.org. ^[4]

关键词 Caffeoylquinic acid isomer Lonicerae japonicae Flos Preparative separation Sample loading capacity pH-Zone-refining counter-current chromatography