1. Department of Life and Environmental Sciences, Botany section, University of Cagliari, Cagliari, Italy
2. Co.S.Me.Se, Consorzio Interuniversitario per lo Studio dei Metaboliti Secondari, Cagliari, Italy
3. State Institute of Higher Education “Michele Giua”, Cagliari, Italy
4. Department of Chemical and Geological Sciences, University of Cagliari, Cittadella Universitaria, Monserrato, CA, Italy
5. CIEPQPF and Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal