Monola oil versus canola oil as a fish oil replacer in rainbow trout feeds : effects on growth, fatty acid metabolism and final eating quality
Articolo
Data di Pubblicazione:
2013
Citazione:
Monola oil versus canola oil as a fish oil replacer in rainbow trout feeds : effects on growth, fatty acid metabolism and final eating quality / G.M. Turchini, V.M. Moretti, K. Hermon, F. Caprino, M.L. Busetto, F. Bellagamba, T. Rankin, R.S.J. Keast, D.S. Francis. - In: FOOD CHEMISTRY. - ISSN 0308-8146. - 141:2(2013 Nov 15), pp. 1335-1344.
Abstract:
Monola oil, a high oleic acid canola cultivar, and canola oil were evaluated as replacers of 26
fish oil at three levels of inclusion (60, 75 and 90%) in rainbow trout diets. After a 27-week 27
grow-out cycle, the diet-induced effects on growth, fatty acid metabolism and final eating 28
quality were assessed. Overall, no effects were noted for growth, feed utilisation or fish 29
biometry, and the fatty acid composition of fish fillets mirrored that of the diets. Dietary 30
treatments affected fillet lipid oxidation (free malondialdehyde), pigmentation and flavour 31
volatile compounds, but only minor effects on sensorial attributes were detected. 32
Ultimately, both oils were demonstrated to possess, to differing extents, suitable qualities 33
to adequately replace fish oil from the perspective of fish performance and final product 34
quality. However, further research is required to alleviate on-going issues associated with 35
the loss of health promoting attributes (n-3 long chain polyunsaturated fatty acids) of final 36
farmed products.
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
Aquaculture; Fillet quality; N-3 LC-PUFA; Oleic acid; Oncorhynchus mykiss; Panel test; Volatile compounds
Elenco autori:
G.M. Turchini, V.M. Moretti, K. Hermon, F. Caprino, M.L. Busetto, F. Bellagamba, T. Rankin, R.S.J. Keast, D.S. Francis
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