RESEARCH ON THE FISH CONTAMINANTS AND CHEMICAL COMPOSITION VARIATION
Journal Title: Annals. Food Science and Technology - Year 2016, Vol 17, Issue 1
Abstract
Food quality and safety are the major problems of the food industry. Currently the focus is on investigating the presence of contaminants that can be transferred from the environment, particularly heavy metals in fish and other marine products, with serious implications for public health. Nowadays, a significant contribution to the diet is brought by the fish products coming from the sweet or salty water. The aim of this study was to follow the heavy metal contamination of four species of fish, two predators (zander and tuna) and two freshwater fish (crucian and trout). The research goal was to detect the possible presence of lead and cadmium, near other metallic elements. For experimental analyses it was used a mass spectrometer with inductively coupled plasma, ICP-MS AGILENT SERIA 7500ce, witch could measure trace elements up to parts per trillion (ppt) or quickly scan for more than 70 elements to determine the composition of unknown samples. The experimental results showed that of the four species evaluated, zander contains the highest amount of Pb and crucian contains an insignificant amount of Pb. Zander not contain Zn while tuna has a significant amount (7.85 mg / kg) which is recommended for consumers with zinc deficiency. Sample crucian was the only uncontaminated with Cd.
Authors and Affiliations
Amelia Buculei
Keywords
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