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The species of the Achillea millefolium group contain different sesquiterpenes which are of chemotaxonomical and pharmacological interest. Therefore the HPLC analysis of these compounds is a fundamental task for the quality control of Achillea samples. As difficulties in identification solely on the basis of retention times may arise, the LC was coupled with atmospheric pressure chemical ionisation mass spectrometry (APCI-MS) allowing a selective and sensitive detection and thus the clear identification of the sesquiterpenes.

scientia pharmaceutica

Analysis of the sesquiterpenes in Achillea species usinq liquid chromatography-mass spectrometry with positive ion atmospheric pressure chemical ionisation