A simple, rapid, and accurate method for the separation and determination of physcion, chrysophanol, aloe-emodin, and emodin in Rhubarb, Juemingzi, and Chinese herbal preparations was developed by combination of flow injection-capillary zone electrophoresis for the first time. The analysis was carri
Separation and Determination of Five Anthraquinones in Rheum and Rheum-Containing Preparations by Capillary Zone Electrophoresis
β Scribed by Fei Li; Qiu-E Cao; Zhongtao Ding
- Book ID
- 111788114
- Publisher
- Springer
- Year
- 2004
- Tongue
- English
- Weight
- 310 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0009-5893
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## Abstract An MEKC method was developed for the determination of the five pharmaceutically important anthraquinones: chrysophanol (**1**), physcion (**2**), emodin (**3**), aloeβemodinin (**4**), and rhein **(5)** in __Cassia obtusifolia__ (Leguminosae). A buffer solution (pH 9.00) composed of 20
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