Journal
JOURNAL OF CHROMATOGRAPHY A
Volume 866, Issue 2, Pages 293-298Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/S0021-9673(99)01126-7
Keywords
plant materials; pharmaceutical analysis; sanguinarine; chelerythrine; alkaloids
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Capillary electrophoresis was employed to determine the principal quaternary benzo[c]phenanthridine alkaloids, sanguinarine and chelerythrine, in two plant extracts and one oral hygiene product. Phosphate-Tris buffer of pH 2.5 was used as a background electrolyte, limits of detection were 3 mu mol 1(-1) (sanguinarine) and 2.4 mu mol 1(-1) (chelerythrine) using UV detection at 270 nm. The method, which correlated well with HPLC, is suitable for serial determination of sanguinarine and chelerythrine in plant products and pharmaceuticals. (C) 2000 Published by Elsevier Science B.V. All rights reserved.
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