This work is funded by National Funds through the FCT - Fundação para a Ciência e Tecnologia, I.P., under the scope of the project PTDC/EQU-EQU/6193/2020.

This work is also supported by the Associate Laboratory for Green Chemistry – LAQV ( financed by FCT/MCTES (UIDB/50006/2020).

Special acknowledgment to André Batista (Salinas do Samouco - for providing samples of bitterns.