GC测定白花前胡中白花前胡丙素和白花前胡丁素的含量.doc

GC 测定白花前胡中白花前胡丙素和白花前胡丁素的含量设置首页广告服务联系我们首页| 企业展台| 产品天地| 市场大观| 供求信息| 人才招聘| 仪器论坛| 软件资料| 54pc 商城| 仪器书刊| 展会信息 GC 测定白花前胡中白花前胡丙素和白花前胡丁素的含量----------------------------------------------------------- --------------------- 摘要: 目的建立了 GC 测定白花前胡根中白花前胡丙素(Pd- Ⅰ a) 和白花前胡丁素(Pd- Ⅱ) 含量的方法。方法采用 SE-30 石英毛细柱( × 25m) ,液膜厚度 μ m,FID 检测器,以正二十五烷为内标物。结果 Pd- Ⅰa和 Pd- Ⅱ的标准曲线分别在 ~ μ g(r=) 和 ~ μ g(r=) 之间有较好线性关系, Pd- Ⅰa和 Pd- Ⅱ的加样回收率分别为( ± )% 和( ± )% ,并将 GC和 HPLC 测定 Pd- Ⅰa, Pd- Ⅱ结果比较,两方法之间无显著性差异。结论本法简便,快速,准确,灵敏度高, 对于前胡的质量检测有一定参考价值。关键词: 白花前胡; 白花前胡丙素; 白花前胡丁素; 毛细管气相色谱分类号: 文献标识码: A 文章编号: 1001-2494(2001)02-0122-04 Determination of Pd- Ⅰa and Pd- Ⅱ in Peucedanum praeruptorum by GC XU Qin ( Department of Pharmaceutical Analysis,Guilin Medical College,Guilin 541004,China ) LIU Bu-ming ( Guangxi Institute of traditional Chinese Medicine,Nanning 530022,China ) ZHANG Zheng-xing ( Department of Pharmaceutical Analysis,China Pharmaceutical University,Nanjing 210009,China ) Abstract : OBJECTIVE To establish a GC method for the determination of the contents of Pd- Ⅰa and Pd- Ⅱ in roots of Peucedanum The determination was performed ona silica capillary SE-30( μm mm× 25 m)column by FID detector;with n-C25H52 as the internal The standard curves of Pd- Ⅰa and Pd- Ⅱ were linear over the range from μg to