Assessing the ascorbic acid contents in beverages and powdered juices: comparison between the experimental data and the values displayed on the product label
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Keywords

vitamin C
quality control
beverages

How to Cite

1.
Granato D, Piekarski FVBW, Masson ML. Assessing the ascorbic acid contents in beverages and powdered juices: comparison between the experimental data and the values displayed on the product label. Rev Inst Adolfo Lutz [Internet]. 2012 Feb. 1 [cited 2024 May 11];71(2):331-6. Available from: https://periodicos.saude.sp.gov.br/RIAL/article/view/32432

Abstract

The determination of ascorbic acid (AA) contents in beverages is a challenging and necessary task because consumers have to know the exact amount of this component in the product as displayed on the container label. Moreover, the food industries have to add the exact (± 20%) quantity of ascorbic acid as it is stated on the label. This study aimed at evaluating 60 ready-to-drink beverages and powdered juices marketed in Curitiba (PR, Brazil). The results were compared with the values declared on the label, and in 76.7% of the samples no statistically similar values (p < 0.05) were found by comparing with those stated on the packaging label. Moreover, the AA values found in this analysis were from 12 to 90% lower than those reported by manufacturers. For that reason, the ascorbic acid contents in these products should be monitored by the National Health Surveillance Agency (ANVISA).
https://doi.org/10.53393/rial.2012.v71.32432
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