Nutritional Value and Metal Contamination of some Natural Juices

摘要

The mineral content of juices or the juice mineral pattern can be considered the first step in the determination of juice authenticity. Apple, orange and grapefruit natural juices, bottled in plastic or glass bottles, were analyzed by ICP-MS. For the natural juices Cu content was from 0.121 ppm (apple juice) to 2.037 ppm (grapefruit juice). One of the tested apple juices had the greatest concentration of Pb (0.162 ppm) from all juices. As there are no official standards for minerals MAL (maximum admissible limit) in fruit juices the results were compared to official standard for minerals MAL (including Pb and Cd) in water.