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作 者:曹纬国[1,2,3] 陶燕铎[4] 颜学伟[1] 谈利红 张丹[1]
机构地区:[1]重庆医科大学中医药学院,重庆401331 [2]重庆医科大学中医药研究室,重庆400016 [3]重庆医科大学中医药实验教学中心,重庆401331 [4]中国科学院西北高原生物研究所,西宁810000
出 处:《中国药房》2014年第31期2924-2926,共3页China Pharmacy
基 金:国家科技支撑计划课题(No.2007BAI45B01)
摘 要:目的:建立测定清咽利喉口服液中绿原酸和芍药苷含量的方法。方法:采用高效液相色谱法。色谱柱为Hypersil ODS2 C18(250mm×4.6mm,5μm),流动相为乙腈-0.1%磷酸溶液(梯度洗脱),检测波长为323nm(绿原酸)和230nm(芍药苷)。结果:绿原酸、芍药苷的进样量分别在0.16~1.60、0.20~2.00gg范围内与各自峰面积积分值呈良好线性关系(r分别为0.9998、0.9995);二者精密度、稳定性、重复性试验的RSD〈2%;平均加样回收率分别为97.87%、98.42%,RSD分别为2.2%、1.7%(月均为6)。结论:该方法简便、灵敏、准确,可用于清咽利喉口服液的质量控制。OBJECTIVE: To establish a method for content determination of chlorogenic acid and paeoniflorin in Qingyan lihou oral liquid. METHODS: HPLC method was adopted. The determination was performed on Hypersil ODS2 C18(250 mm×4.6 mm, 5 μm) column with mobile phase consisted of acetonitrile-0.1% phosphoric acid solution (gradient elution). The detection wavelength was set at 323 nm for chlorogenic acid and 230 nm for paeoniflorin. RESULTS: The linear range of chlorogenic acid and paeoniflorin were 0.16-1.60 μg(r=0.999 8) and 0.20-2.00μg(r=0.999 5), respectively. RSDs of precision, stability and reproducibility tests were all lower than 2%. Average recoveries were 97.87% (RSD=2.2%, n=6) for chlorogenic acid, and 98.42% (RSD= 1.7 %, n=6) for paeoniflorin. CONCLUSIONS: The method is simple, sensitive and accurate, and can be used for the quality control of Qingyan lihou oral liquid.
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