Multi-component analysis (sterols, tocopherols and triterpenic dialcohols) of the unsaponifiable fraction of vegetable oils by liquid chromatography-atmospheric pressure chemical ionization-ion trap mass spectrometry

1. Zarrouk, W.
2. Carrasco-Pancorbo, A.
3. Zarrouk, M.
4. Segura-Carretero, A.
5. Fernández-Gutiérrez, A.