不同煎煮条件下黄连解毒汤有效成分分析

目的以黄连解毒汤为例说明不同煎煮条件对中药汤剂有效成分的影响。方法首先建立黄连解毒汤中多种有效成分的分析方法,对不同煎煮条件下(时间、煎煮次数)中药汤剂中有效成分进行动态分析。结果水溶性苷类成分(黄芩苷、栀子苷)煎煮20min溶出基本达到平衡,溶出率分别达到82%和60%左右;水溶性生物碱类(小檗碱、巴马汀碱)煎煮30min溶出基本达到平衡,溶出率为45%左右;脂溶性汉黄芩素的溶出较慢,煎煮60min其溶出率仅为31%;西红花苷-Ⅰ煎煮20min含量达到最大,继续煎煮则含量降低。煎煮次数对水溶性成分溶出影响不大,而对脂溶性成分的溶出影响较大。结论煎煮条件对黄连解毒汤中各有效成分的溶出率及稳定性具有不同程度的影响。

Study of Effective Ingredient in Huanglianjiedu Decoction under Different Decocting Conditions

Objective To analysis the effective ingredients in Huanglianjiedu decoction under different decocting conditions. Methods The detecting method of HPLC was established and the ingredients in Huanglianjiedu decoction under different decocting time and times were analyzed. Result Water-soluble glycoside of gardenoside and baicalin reached balance of dissolution within 20 min and their dissolution rate were about 82% and 60% respectively. Water-soluble alkaloids of berberine and palmatine reached balance of dissolution within 30 rain and their dissolution rate were about 45%. The dissolution rate of wogonin was 31% at 60 rain. The dissolution rate of Crocin- I reached top at 20 rain and fell down after 20 min. Decocting times for fat-soluble constitutes was more important than water-soluble constitutes. Conclusion The decocting condition has effect on the dissolution rate and stability of the ingredients in Huanglianjiedu decoction. The decocting condition is very important to the quality control of decoction.