Qualitative and quantitative control of pediatric syrups using Nuclear Magnetic Resonance and chemometrics.

•The 1H NMR was applied to qualitative and quantitative analyses of pediatric syrup.•This approach allows identifying several added compounds.•Some syrups presented both sugar and sweeteners, and high ethanol content.•The governments must demand information of the amount of added compounds.•Consumers must follow guidelines of amount of sugars and sweeteners intake.