TY - SER AU - Granato,D. AU - Piekarski,F.V.B.W. AU - Masson,M.L. TI - Assessing the ascorbic acid contents in beverages and powdered juices: comparison between the experimental data and the values displayed on the product label KW - SUCO CONCENTRADO KW - VITAMINA C KW - CONTROLE DE QUALIDADE KW - REFRESCO ER -