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Influence of cooking (microwaving and broiling) on cylindrospermopsin concentration in muscle of nile tilapia (oreochromis niloticus) and characterization of decomposition products

Opened Access Influence of cooking (microwaving and broiling) on cylindrospermopsin concentration in muscle of nile tilapia (oreochromis niloticus) and characterization of decomposition products

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Autor: Prieto Ortega, Ana Isabel
Guzmán Guillén, Remedios
Valderrama Fernández, Rocío
Jos Gallego, Ángeles Mencía
Cameán Fernández, Ana María
Departamento: Universidad de Sevilla. Departamento de Nutrición y Bromatología, Toxicología y Medicina Legal
Fecha: 2017
Publicado en: Toxins, 9 (6), 1-13.
Tipo de documento: Artículo
Resumen: Cylindrospermopsin (CYN) has become increasingly important as a freshwater algal toxin, showing cytotoxic effects. This toxin is able to bioaccumulate in freshwater food webs, representing a serious human health problem. Normally, fish is cooked before consumption, and CYN concentration can be altered. For the first time, the effects of microwaving and broiling for 1 and 2 min on CYN concentration and its decomposition products in fish muscle (Oreochromis niloticus) contaminated in the laboratory were investigated, using UPLC-MS/MS and Orbitrap. The results show that cooking the fish reduced unconjugated CYN levels by 11, 10 and 15% after microwaving for 1 and 2 min, and broiling for 2 min, respectively, compared to control fish. Different CYN decomposition products with m/z 416.1234 (7-epi-CYN) and m/z 336.16663 (diasteroisomers C-3A, C-3C, C-3D, C-3E, C-3F) are generated in fish samples submitted to cooking. Based on the relative abundance of the decomposition products, th...
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Cita: Prieto Ortega, A.I., Guzmán Guillén, R., Valderrama Fernández, R., Jos Gallego, Á.M. y Cameán Fernández, A.M. (2017). Influence of cooking (microwaving and broiling) on cylindrospermopsin concentration in muscle of nile tilapia (oreochromis niloticus) and characterization of decomposition products. Toxins, 9 (6), 1-13.
Tamaño: 1.522Mb
Formato: PDF

URI: http://hdl.handle.net/11441/64192

DOI: 10.3390/toxins9060177

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