Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/37149
Título: Determination of steroid hormones in fish tissues by microwave-assisted extraction coupled to ultra-high performance liquid chromatography tandem mass spectrometry
Autores/as: Guedes-Alonso, Rayco 
Sosa-Ferrera, Zoraida 
Santana-Rodríguez, José Juan 
Clasificación UNESCO: 2391 Química ambiental
2403 Bioquímica
Palabras clave: Fish tissue
Mass spectrometry
Microwave-assisted extraction
Solid phase extraction
Steroid hormones, et al.
Fecha de publicación: 2017
Publicación seriada: Food Chemistry 
Resumen: Steroid hormones produce adverse effects on biota as well as bioaccumulation in fish and seafood, making it necessary to develop methodologies to evaluate these compounds in samples related to the food chain. This work presents an analytical method for evaluating 15 steroid hormones in fish tissue. It is based on microwave-assisted extraction and solid-phase extraction coupled to ultra-high-performance liquid chromatography tandem mass spectrometry (MAE-SPE-UHPLC-MS/MS). The proposed method shows appropriate detection limits (0.14–49.0 ng g−1), recoveries in the range of 50% and good repeatability. After optimization, the method was applied to different tissues from two small fishes of the Canary Islands that constitute an important level of the food web (Boops boops and Sphoeroides marmoratus) and were exposed to the outfall of the Las Palmas de Gran Canaria wastewater treatment plant. The concentrations of eight detected compounds ranged from below the quantification limits to 3.95 μg g−1.
URI: http://hdl.handle.net/10553/37149
ISSN: 0308-8146
DOI: 10.1016/j.foodchem.2017.06.065
Fuente: Food Chemistry[ISSN 0308-8146],v. 237, p. 1012-1020
Colección:Artículos
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