title: Comment on vibrational spectral investigation on xanthine and its derivatives-theophylline, caffeine and theobromine.
authors.affiliation: CICECO, Departamento de Química, Universidade de Aveiro, P-3810-193 Aveiro, Portugal. pclaro@dq.ua.pt
authors.forename: Paulo J A
authors.initials: PJ
authors.lastname: Ribeiro-Claro
authors.forename: Ana M
authors.initials: AM
authors.lastname: Amado
mesh_terms: D002110:Caffeine / Q000737:chemistry*; D017550:Spectroscopy, Fourier Transform Infrared; D013059:Spectrum Analysis, Raman; D013805:Theobromine / Q000737:chemistry*; D013806:Theophylline / Q000737:chemistry*; D014732:Vibration
chemical_list: D002110:Caffeine; D013806:Theophylline; D013805:Theobromine