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Protein Signatures to Trace Seafood Contamination and Processing
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This review examined how proteomics and spectroscopic techniques can be applied to seafood traceability, including tracking exposure to emerging contaminants such as microplastics and triclosan, as well as authenticating geographic origin and distinguishing fresh from frozen fish. The authors highlighted how protein signatures and vibrational spectroscopy methods are advancing the ability to detect both environmental contamination and processing history in seafood products.
This review presents some applications of proteomics and selected spectroscopic methods to validate certain aspects of seafood traceability. After a general introduction to traceability and the initial applications of proteomics to authenticate traceability information, it addresses the application of proteomics to trace seafood exposure to some increasingly abundant emergent health hazards with the potential to indicate the geographic/environmental origin, such as microplastics, triclosan and human medicinal and recreational drugs. Thereafter, it shows the application of vibrational spectroscopy (Fourier-Transform Infrared Spectroscopy (FTIR) and Fourier-Transform Raman Spectroscopy (FT Raman)) and Low Field Nuclear Magnetic Resonance (LF-NMR) relaxometry to discriminate frozen fish from thawed fish and to estimate the time and temperature history of frozen fillets by monitoring protein modifications induced by processing and storage. The review concludes indicating near future trends in the application of these techniques to ensure seafood safety and traceability.
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A short review on the recent method development for extraction and identification of microplastics in mussels and fish, two major groups of seafood
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This review summarized the methods used to extract and identify microplastics in mussels and fish, two major seafood groups. Researchers found that alkaline digestion was the most common extraction technique while FTIR spectroscopy was the predominant identification method. The study recommends standardizing analytical protocols to enable better comparison of microplastic contamination data across different studies of seafood.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.