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《Traditional Chinese Drug Research and Clinical Pharmacology》 2012-03
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Multicomponent Analysis of Aloe Barbadensis Mill by High-performance Capillary Electrophoresis

WU Xiaofang,LIU Dan,ZHONG Jiasheng,WANG Zhi,LI Ting,WAN Jinzhi(Laboratory for Pharmaceutical Analysis,School of Pharmaceutical Sciences,Sun Yat-sen University,Guangzhou 510006,China)  
Objective A capillary zone electrophoresis(CZE) method was established for the separation of aloin isomers and simultaneous determination of aloin,aloe emodin and isoaloeresin D in different samples of Aloe Barbadensis Mill,besides,the influential factors of CZE separation were discussed.Methods Rutin was used as the internal standard.The separation was performed on a uncoated fused silica capillary(57 cm × 75 μm,an effective length of 50 cm),20 mmol·L-1 of borax and 2 mmol·L-1 of β-CD buffer solution(pH = 9.65) was selected as the running buffer and the voltage was setting at 18 kV.The samples were injected by gravity(5 s,15 cm),and the detection wavelength was 365 nm.Results Aloin isomers can be well seperated.Aloin,aloe emodin and isoaloeresin D in different samples of Aloe can be well-separated and be determined within 7 min with rutin as internal standard.Conclusion This method manifests properties as being simple,quick and economical.It is likely to be a better way for quality control of Aloe Barbadensis Mill.
【Fund】: 2005年度广东省中医药管理局计划项目(1050163);; 2005年度珠海市科技计划项目(PC20051072)
【CateGory Index】: R284.1
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