A capillary zone electrophoresis method was set up for the separation and determination of glycyrrhizin in Chinese medicinal preparations. Concentrations of Na 2 B 4 O 7 were optimized, which showed that glycyrrhizin in the sample could be separated from interference in the running buffer of 30 mmol
Separation and determination of strychnine and brucine in Strychnos nux-vomica L. and its preparation by capillary zone electrophoresis
β Scribed by Wan-sheng Chen; Li-li Liu; Xiang Li; Jie-wei Li; Song-gang Ji; Guo-qing Zhang; Yi-feng Chai
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 43 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0269-3879
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## Abstract A simple, rapid, sensitive and lowβcost method using capillary electrophoresis (CE) coupled with fieldβamplified sample stacking (FASS) has been developed and validated for the simultaneous determination of strychnine and brucine residues in human urine. Before sample loading, a water p
A non-aqueous capillary electrophoretic method was established for the determination of berberine in Rhizoma coptidis and its preparations. The effects of organic solvent and the concentrations of sodium acetate were studied, which showed that berberine in extracts of traditional Chinese medicine ca