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Seafood is highly nutritious, rich in omega-3 fatty acids, high-quality proteins, vitamins A, D, and B12, and minerals such as zinc, iodine, and selenium. Due to its contributions to cardiovascular health and immune system support, it is an essential component of a healthy diet. However, these valuable food sources can sometimes pose risks due to environmental contaminants.
Seas and inland waters can be exposed to various contaminants as a result of industrial waste, agricultural activities, and certain natural processes. Among these pollutants, the most notable are heavy metals such as mercury (Hg), lead (Pb), cadmium (Cd), and arsenic (As). When these metals mix with water, fish and shellfish in particular can accumulate these substances in their bodies.
The effects of heavy metals on health are quite serious. Mercury can affect the nervous system and brain development, while lead can disrupt blood formation and kidney function. Cadmium negatively affects bone health and can cause kidney damage. Arsenic is a risk factor that can cause cancer with long-term exposure.
The safe production, processing, and distribution of seafood to consumers are regulated by various laws and regulations. The Turkish Food Codex Seafood Regulation establishes classification, hygiene, and labeling rules, while the Microbiological Criteria Regulation sets limits to protect against pathogenic risks. The Contaminants Regulation defines maximum residue limits for heavy metals. The Residue Limits Regulation covers antibiotic and veterinary drug residues. International analysis and certification are mandatory for export and import processes.
Aquatic products are an extremely beneficial and reliable food group when obtained from appropriate sources and analyzed correctly. Specialized food control laboratories use modern analytical techniques to identify heavy metal and microbiological risks in aquatic products, assess compliance with regulations, and provide scientific assurance to producers. For producers, these analyses are not only a legal requirement but also a responsibility in terms of food safety and consumer satisfaction.
Nanolab Laboratories Group continues to provide services within the scope of Environmental Analysis. You can also consult us on Dioxin Analysis.
For more information, please contact us.
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