机构地区:[1]深圳市坪山新区人民医院药剂科,广东深圳518118 [2]深圳市第四人民医院药学部,广东深圳518033 [3]广东药科大学药学系,广州510006
出 处:《中国药房》2016年第15期2102-2106,共5页China Pharmacy
基 金:广东省中医药强省科研课题(No.20142125)
摘 要:目的:建立测定茵陈蒿煎剂与其配方颗粒中大黄素、大黄酸、芦荟大黄素、大黄酚、大黄素甲醚、栀子苷、绿原酸含量的方法,比较茵陈蒿煎剂与其配方颗粒中上述成分含量的差异。方法:采用高效液相色谱法(HPLC)测定煎剂中大黄素、大黄酸、芦荟大黄素、大黄酚、大黄素甲醚的含量:色谱柱为Ecosil C18,流动相为乙腈-0.5%磷酸(梯度洗脱),流速为1 ml/min,检测波长为254nm,柱温为35℃,进样量为20μl;采用HPLC法测定煎剂中栀子苷的含量:色谱柱为Ecosil C18,流动相为乙腈-水(13∶87,V/V),流速为1 ml/min,检测波长为238 nm,柱温为35℃,进样量为20μl;采用HPLC法测定煎剂中绿原酸的含量:色谱柱为Ecosil C18,流动相为乙腈-0.05%磷酸(10∶90,V/V),流速为1 ml/min,检测波长为327 nm,柱温为35℃,进样量为20μl。结果:大黄素、大黄酸、芦荟大黄素、大黄酚、大黄素甲醚、栀子苷、绿原酸检测质量浓度线性范围分别为2-20μg/ml(r=0.996 5)、5.2-52.0μg/ml(r=0.998 5)、2.6-26.0μg/ml(r=0.999 9)、1.0-10.4μg/ml(r=0.999 9)、1.0-10.0μg/ml(r=0.999 8)、20-200μg/ml(r=0.999 9)、20-200μg/ml(r=0.999 9);精密度、稳定性、重复性试验的RSD〈3%;回收率分别为91.1%-96.9%(RSD=2.0%,n=6)、93.9%-96.1%(RSD=0.8%,n=6)、90.9%-93.4%(RSD=1.2%,n=6)、88.5%-92.7%(RSD=1.8%,n=6)、82.1%-87.9%(RSD=2.5%,n=6)、100.4%-102.0%(RSD=0.7%,n=6)、101.1%-102.2%(RSD=0.4%,n=6)。结论:该方法操作简便、稳定、重复性好,可用于茵陈蒿煎剂与其配方颗粒中有效成分含量的同时测定。茵陈蒿配方颗粒有效成分含量明显高于其煎剂。OBJECTIVE:To establish a method for the contents determination of emodin,rhein,aloe-emodin,chrysophanol,physcion,geniposide,chlorogenic acid in Yinchenhao decoction and its dispensing granule,and to compare the difference among the above-mentioned ingredients. METHODS:HPLC was adopted to determine the contents of emodin,rhein,aloe-emodin,chrysophanol and physcion:the column was Ecosil C18 with mobile phase of acetonitrile-0.5% phosphoric acid(gradient elution)at a flow rate of 1 ml/min,the detection wavelength was 254 nm,column temperature was 35 ℃,and injection volume was 20 μl.When determining the content of geniposide by HPLC,the column was Ecosil C18 with mobile phase of acetonitrile- water(13 ∶ 87,V/V)at a flow rate of 1 ml/min,the detection wavelength was 238 nm,column temperature was 35 ℃,and injection volume was20 μl. When determining the content of chlorogenic acid by HPLC,the column was Ecosil C18 with mobile phase of acetonitrile-0.5% phosphoric acid(10 ∶ 90,V/V)at a flow rate of 1 ml/min,the detection wavelength was 327 nm,column temperature was35 ℃,and injection volume was 20 μl. RESULTS:The linear range was 2-20 μg/ml for emodin(r=0.996 5),5.2-52.0 μg/ml for rhein(r=0.998 5),2.6-26.0 μg/ml for aloe-emodin(r=0.999 9),1.0-10.4 μg/ml for chrysophanol(r=0.999 9),1.0-10.0 μg/ml for physcion(r=0.999 8),20-200 μg/ml for geniposide(r=0.999 9),20-200 μg/ml for chlorogenic acid(r=0.999 9);RSDs of precision,stability and reproducibility tests were lower than 3%;recoveries were 91.1%-96.9%(RSD=2.0%,n=6)for emodin、93.9%-96.1%(RSD=0.8%,n=6)for rhein、90.9%-93.4%(RSD=1.2%,n=6)for aloe-emodin、88.5%-92.7%(RSD=1.8%,n=6)for chrysophanol、82.1%-87.9%(RSD=2.5%,n=6)for physcion,100.4%-102.0%(RSD=0.7%,n=6)for geniposide、101.1%-102.2%(RSD=0.4%,n=6)for chlorogenic acid. CONCLUSIONS:The method is simple,stable and reproducible,and can be used for the simultaneous contents determination of active ingredients in Yinchenhao
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