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Título: | Lipid damage in farmed rainbow trout (Oncorhynchus mykiss) after slaughtering and chilling storage |
Autor: | Ortiz, Jaime; Palma, Óscar; González, Natalia; Aubourg, Santiago P. CSIC ORCID | Palabras clave: | Chilling Farming Flow ice Ozone Rainbow trout Rancidity Slaughtering |
Fecha de publicación: | 2008 | Editor: | John Wiley & Sons | Citación: | European Journal of Lipid Science and Technology 110(12): 1127-1135 (2008) | Resumen: | The flow ice system including ozone (OFI condition) was tested for slaughtering and storage (up to 16 days) of farmed rainbow trout (Oncorhynchus mykiss). Lipid damage analyses were carried out and compared to sensory acceptance and instrumental colour changes. Comparison to individuals processed with the flow ice system in the absence of ozone (FI condition) was undertaken. Rainbow trout slaughtered and chilled under FI and OFI conditions showed a low lipid damage development, according to lipid oxidation and hydrolysis events and lipid composition (polyunsaturated fatty acids, phospholipids and endogenous antioxidants) changes. Additionally, both icing conditions led to largely good quality and shelf life times and to the absence of changes in colour properties. It is concluded that flow ice as such, or including the presence of ozone, can be considered as ideal strategy to be employed as slaughtering and storage system during the commercialisation of the actual farmed species. The ozone presence has shown some profitable effects as leading to an extended shelf life time by quality retention of several sensory parameters; in contrast, some negligible negative effects could be observed on the secondary and tertiary lipid oxidation development. However, the oxidation values reached by individuals kept under OFI conditions cannot be considered as particularly high | Descripción: | 9 páginas, 5 tablas, 2 figuras | Versión del editor: | http://dx.doi.org/10.1002/ejlt.200800131 | URI: | http://hdl.handle.net/10261/49464 | DOI: | 10.1002/ejlt.200800131 | ISSN: | 1438-7697 | E-ISSN: | 1438-9312 |
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