Citation: Yue Ling WANG, Zhong Bo HU, Zhuo Bin YUAN. Ionic Liquid and HP-β-CD Modified Capillary Zone Electrophoresis to Separate Hyperoside, Luteolin and Chlorogenic Acid[J]. Chinese Chemical Letters, ;2006, 17(2): 231-234. shu

Ionic Liquid and HP-β-CD Modified Capillary Zone Electrophoresis to Separate Hyperoside, Luteolin and Chlorogenic Acid

Department of Chemistry, Graduate School of the Chinese Academy of Sciences, Beijing 100049

Received Date: 13 June 2005

Fund Project: This project was supported by the National Natural Science Foundation of China (No. 20175025, 29875027, 20235010). The authors would like to thank the National Research Center of Geoanalysis for providing the capillary electrophoresis system. We wish to thank Professor Ming Yin and Mr. Yaping Cao for their help.

Ionic liquid (1-ethyl-3-methylimidazolium tetrafluoroborate, 1E-3MI-TFB) and HP-β-CD as modifier was added to the buffer to separate hyperoside, luteolin and chlorogenic acid.Experiments explored the effect of concentration of 1E-3MI-TFB and HP-β-CD on separation.The results indicated that 1.0 mmol/L HP-β-CD and 1‰ (v/v) 1E-3MI-TFB added to the buffer simultaneous y could achieve a good compromise of resolution and analysis time. Capillary experiments and UV spectra indicated that there was interaction between 1E-3MI-TFB and analytes.
- Ionic liquid,
- 1-ethyl-3-methylimidazolium tetrafluoroborate,
- capillary zone electrophoresis,
- luteolin,
- hyperoside,
- chlorogenic acid
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