Multiresponse optimization of a UPLC method for the simultaneous determination of tryptophan and 15 tryptophan-derived compounds using a Box-Behnken design with a desirability function

1. Setyaningsih, W.
2. Saputro, I.E.
3. Carrera, C.A.
4. Palma, M.
5. Barroso, C.G.