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We describe a liquid chromatography-electrospray ionisation tandem mass spectrometry method for the qualitative and quantitative determination of the secoiridoid oleuropein and its bioactive(More)
Caffeic acid phenethyl ester (CAPE) is one of the most bioactive compounds of propolis, a resinous substance collected and elaborated by honeybees. A new liquid chromatography-electrospray ionisation(More)