Fourier transform ion cyclotron resonance mass spectrometry for the characterisation of kavalactones in the kava plant: elemental formulae confirmation by dual spray accurate mass measurement and structural confirmation by infrared multiphoton disso

Fourier transform ion cyclotron resonance mass spectrometry for the characterisation of kavalactones in the kava plant: elemental formulae confirmation by dual spray accurate mass measurement and structural confirmation by infrared multiphoton disso