doi: 10.1055/s-2007-971708.
[II1: TLC and HPLC-Analysis of Pyrrolizidine-N-oxid Alkaloids of Symphyti Radix]
[Article in
German]
Affiliations
- PMID: 17401847
- DOI: 10.1055/s-2007-971708
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[II1: TLC and HPLC-Analysis of Pyrrolizidine-N-oxid Alkaloids of Symphyti Radix]
[Article in
German]
Planta Med.
1981 Mar.
Abstract
A new TLC- and HPLC-method for the detection and estimation of the main alkaloids from Symphytum roots, Symphytine, Echimidine, Lycopsamine, and Acetyllycopsamine in their genuine N-oxide form is described. The method provides characteristic finger-prints for the constituents of the Symphytum drugs of different origin and varying harvest seasons.
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