Planta Medica 1982-Jan
[New cardioactive drugs II, detection and isolation of cardiotonic amines with ionpair-HPLC].
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An ionpair-HPLC-technic using a reversed-phase column was developed to screen plant extracts for cardiotonic amines and to isolate them in a preparative scale for direct MS and pharmacological investigations. By this method the positive inotropic tyramine could be isolated from Selenicereus grandiflorus (L.) Britt et Rose (Cactus grandiflorus).