Use of capillary electrophoresis for estimating the quality of chamomile flowers
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The possibility of using capillary electrophoresis was studied with the aim of improving the quality control and selecting the most objective quality criteria of chamomile flowers. It is established that an aqueous solution of sodium tetraborate with a concentration of 10 mg/mL should be used as the leading electrolyte and the separation can be performed at a voltage of 20 kV. Experiments showed that one of the main flavonoids in these herbs is apigenin-7-O-glucoside, the content of which varies from 0.17 to 0.36%.
Key wordscapillary electrophoresis chamomile flowers apigenin-7-O-glucoside
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- 7.N. V. Komarova and Ya. S. Kamentsev, Practical Handbook on the Use of CAPEL Capillary Electrophoresis Systems [in Russian], Veda, St. Petersburg (2006).Google Scholar