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反相高效液相色谱法测定他克莫司软膏含量 被引量:3

Content determination of tacrolimus ointment by RP-HPLC
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摘要 目的建立用反相高效液相色谱法测定国产他克莫司软膏含量方法。方法用28%乙腈在80℃水浴中提取他克莫司软膏,以反相高效液相色谱法测定含量。色谱柱为十八烷基硅烷键合硅胶柱(Shim-pack VP-ODS柱,150mm×4.6mm,5μm),检测波长210nm,流动相为异丙醇:乙腈:磷酸溶液(pH3.5)(35:2:63),流速为1ml/min,柱温为50℃,进样量为100μl。结果辅料对他克莫司含量测定无干扰,他克莫司与相邻峰之间的分离度良好。线性研究表明,在4.44-44.45μg/ml范围内他克莫司线性关系良好,相关系数为1.0000(n=6)。他克莫司的检测限与定量限分别为0.0889与0.222μg/ml。回收率平均值为100.2%,相对标准偏差为1.5%(n=9)。结论本法简便准确,重现性高,适用于产品的质量控制。 Objective To establish an RP-HPLC method for determination of the content of tacrolimus ointment. Methods Acetonitrile (28-100) was used to extract the ointment and the sample solution was prepared in 70℃ water bath. The HPLC condition was as followed: column: Shim-pack VP-ODS (150mm×4.6mm, 5μm), temperature: 50℃, mobile phase: isopropyl alcohol : acetonitrile : phosphoric acid solution (pH adjusted to 3.5) (35 : 2 : 63), flow rate: 1.0ml/min, UV detection wavelength: 210nm, injection volume: 100μl. Resuls The resolution between the peak of tacrolimus and the adjacent impurity was good. The linear range of tacrolimus was 4.44 - 44.45μg/ml (r = 1. 0000, n = 6) ; LOD was 0. 0889μg/ml; LOQ 0. 222μg/ml; the average recoveries 100. 2%. Conclusion The method is rapid, accurate, reproducible and suitable to determine the content of tacrolimus ointment.
机构地区 浙江大学药学院
出处 《中国抗生素杂志》 CAS CSCD 北大核心 2007年第10期615-617,共3页 Chinese Journal of Antibiotics
关键词 他克莫司 软膏 含量测定 反相高效液相色谱法 Tacrolimus Ointment Content determination RP-HPLC
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