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Título

Lipid and mineral distribution in different zones of farmed and wild blackspot seabream (Pagellus bogaraveo)

AutorÁlvarez, Victoria; Medina, Isabel ; Prego, R. ; Aubourg, Santiago P.
Palabras claveBlackspot seabream
Farmed
Fatty acids
Lipid classes
Minerals
Muscle zones
Trimethylamine oxide
Wild
Fecha de publicación2009
EditorWiley-VCH
CitaciónEuropean Journal of Lipid Science and Technology 111(10): 957-966 (2009)
ResumenLipid composition was studied in different white muscle zones (ventral, dorsal and tail) of wild and farmed blackspot seabream (Pagellus bogaraveo). The study was complemented by moisture, trimethylamine oxide (TMAO) and trace mineral determinations. Farmed fish muscle showed higher lipid and triacylglycerol contents, but lower values for moisture, TMAO and a-tocopherol than its wild fish counterpart; no differences could be observed between both kinds of fish for the phospholipid, sterol and free fatty acid contents. When compared to wild fish, a higher saturated (SFA), monounsaturated (MUFA) and polyunsaturated fatty acid (PUFA) content was obtained in farmed fish, while lower values could be observed for the n-3/n-6 and 22:6n-3/20:5n-3 fatty acid ratios. Most minerals analysed (Cu, Fe, Mn, Se and Zn) showed higher mean values in farmed fish muscle, except for Ca and Mg which provided higher mean contents in wild fish. Concerning the muscle site comparison, greater SFA, MUFA and PUFA contents could be detected in the dorsal zone than in the two other locations both for farmed and wild fish, in accordance with a higher mean lipid content found at this site. Finally, the tail zone showed higher TMAO values than the two other locations
Descripción10 páginas, 1 figura, 4 tablas
Versión del editorhttp://dx.doi.org/10.1002/ejlt.200800282
URIhttp://hdl.handle.net/10261/48879
DOI10.1002/ejlt.200800282
ISSN1438-7697
E-ISSN1438-9312
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