Abstract
Fruit juices are widely consumed in tropical countries as part of habitual diet. The concentrations of several minerals in these beverages were evaluated. Four commercially available brands of juices were analyzed for cadmium, lead, copper, zinc, aluminum, iron, chromium, manganese, and molybdenum. The levels ranged from 0.02 to 0.08 mg/L for copper, from 0.05 to 0.23 mg/L for zinc, from 0.1 to 0.4 mg/L for aluminum, from 0.02 to 0.45 mg/L for iron, and from 0.01 to 0.22 mg/L for manganese. The levels of cadmium, lead, and chromium in all samples were very low or undetectable. The metal contents of fruit juices depend on a number of factors, including the soil composition, the external conditions during fruit growing and fruit harvesting, as well as on details of the fruit juice manufacturing processes employed. The concentrations of none of the metals in juice samples analyzed exceeded the limits imposed by local legislation.
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The authors are grateful for the financial support from CNPq and FUNDECT-MS (Brazilian agencies) and to Dr. L.C. Tesini Consolo for the helpful discussions.
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Bragança, V.L.C., Melnikov, P. & Zanoni, L.Z. Trace Elements in Fruit Juices. Biol Trace Elem Res 146, 256–261 (2012). https://doi.org/10.1007/s12011-011-9247-y
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DOI: https://doi.org/10.1007/s12011-011-9247-y