【摘要】 目的 :对中药水煎液的常用精制方法进行比较研究 ,以评价各种方法的优劣。方法 :用醇沉法、超滤法、澄清剂法、大孔树脂法分别对淫羊藿、黄芩汤等单味药和复方的水提液进行分离、纯化 ,并用HPLC及其他方法对其单味药和复方中的指标成分及多糖、蛋白质进行定量测定和定性鉴别。结果 :4种分离纯化技术各有其优点。结论 :需根据临床治疗的需要、药物的化学成分及所需制备剂型的要求选择不同的分离和纯化方法更多还原

【Abstract】 Objective: To evaluate different methods by treating water-decocted liquid of 6 Chinese medical herbs and 4 co-prescription respectively with alcohol, ultrafilter, macroporousresin and clarifier. Method: The contents of target componemt in those extracts were determined with HPLC or titration, and quantitative and qualitative determination of the impurity components, such as polysaccharide and protein, was made. Result: Each method showed its advantages and disavantages. conclusion: Different method can be chosen according to the clinical and preparation demands or the characteristic of components.更多还原