Fast derivatization of the non-protein amino acid ornithine with FITC using an ultrasound probe prior to enantiomeric determination in food supplements by EKC

1. Domínguez-Vega, E.
2. Martínez-Girón, A.B.
3. García-Ruiz, C.
4. Crego, A.L.
5. Marina, M.L.