李桂华
紫外分光光度法与反相高效液相色谱法测定阿昔洛韦眼用凝胶中阿昔洛韦的含量
李桂华
目的 探讨紫外分光光度法及反相高效液相色谱法测定阿昔洛韦眼用凝胶中阿昔洛韦含量的可行性。方法 采用紫外分光光度法、反相高效液相色谱法根据相同方法制备阿昔洛韦眼用凝胶试品后于252 nm波长下测定其阿昔洛韦含量。结果 高效液相法测定阿昔洛韦眼用凝胶中阿昔洛韦含量为(100.49±0.14)%,明显低于紫外分光光度法所测的(101.55±0.47)%,差异有统计学意义(P<0.05)。结论 高效液相色谱方法因可有效分离相关物质,减少杂质干扰,方法简单、结果准确、灵敏度高,相比于紫外分光光度法更利于阿昔洛韦凝胶中阿昔洛韦的含量测定。
反相高效液相色谱法;阿昔洛韦;眼用凝胶;紫外分光光度法
【Abstract】Objective To explore the feasibility of the determination of A Silowe in A Silowe ophthalmic gel by UV spectrophotometry and reversed phase high performance liquid chromatography.Methods By UV spectrophotometry,reversed phase high performance liquid chromatography according to the same method of preparing the aciclovir eye gel sample at 252 nm wavelength determination the content of aciclovir.Results Cntent of acyclovir in acyclovir ophthalmic gel(100.49±0.14)% lower than the measured UV spectrophotometry (101.55±0.47)%,the difference was statistically significant(P<0.05).Conclusion HPLC method is effective because of the separation-related substances,reducing interference of impurities,the method is simple,accurate and sensitive than UV spectrophotometry,it'is more conducive to the determination content of acyclovir in acyclovir gel.
【Key words】HPLC method;Acyclovir;Ophthalmic gel;UV spectrophotometry
阿昔洛韦因其选择性高、不良反应发生率低、药物耐受好,且为特异性抗单纯疱疹病毒药物[1],已成为目前治疗单疱病毒性角膜炎的最佳药物[2]。早期眼部用药治疗多采用眼膏或滴眼剂,因使用方便、患者接受性好等特点,已广泛应用于临床。但近期研究发现,由于滴眼剂在眼内停留时间较多,易被体内吸收,药物生物利用度低,重复多次应用又可能引发较多不良反应[3]。凝胶型眼用制剂的出现,有效解决了上述问题[4]。阿昔洛韦凝胶剂可有效解决单疱病毒性角膜炎治疗需反复用药、生物利用度低等问题[5]。如何快速测定此类眼用凝胶中主成分含量,有效监测此类药物质量,已成为众多药学工作者所关注的热点[6]。……