Effects of dietary lipid sources on flavour volatile compounds of brown trout (Salmo trutta L.) fillet

Turchini, Giovanni, Mentasti, T., Caprino, F., Panseri, S., Moretti, V. and Valfre, F. 2004, Effects of dietary lipid sources on flavour volatile compounds of brown trout (Salmo trutta L.) fillet, Journal of applied ichthyology, vol. 20, no. 1, pp. 71-75.

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Title Effects of dietary lipid sources on flavour volatile compounds of brown trout (Salmo trutta L.) fillet
Author(s) Turchini, Giovanni
Mentasti, T.
Caprino, F.
Panseri, S.
Moretti, V.
Valfre, F.
Journal name Journal of applied ichthyology
Volume number 20
Issue number 1
Start page 71
End page 75
Publisher Blackwell Scientific Publications
Place of publication Berlin, Germany
Publication date 2004-02-06
ISSN 0175-8659
1439-0426
Summary The high cost and unpredictable availability of fish meal and fish oil (FO) forced feed mill companies to look for alternative ingredients for aquafeeds. In this study, the effects of alternative dietary lipid sources [FO as control, canola oil (CO), oleine oil (OO), poultry fat (PF) and pork lard (PL)] in trout feed on flavour volatile compounds occurring in brown trout (Salmo trutta L.) fillet were evaluated after 70 days of feeding (rearing temperature 14.6°C). Total amounts of volatile compounds identified were higher for fillets of fish fed diets containing only FO as lipid sources. Total amount of alcohols and aldehydes of the fillets were linearly directly related to the percentage content of polyunsaturated fatty acids (PUFA) n-3 of brown trout flesh. The use of alternative dietary lipid sources, modifying the fillet fatty acids composition, affect the total amount of volatile compounds and, changing the relative amount of each volatile compound, affect the flavour of the fish flesh.
Language eng
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2004, Blackwell Verlag, Berlin
Persistent URL http://hdl.handle.net/10536/DRO/DU:30004396

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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