Effect of dietary lipid sources on odour-active compounds in muscle of turbot (Psetta maxima)

Type Article
Date 2001-11
Language English
Author(s) Serot Thierry, Regost Christelle, Prost Carole, Robin Jean, Arzel Jacqueline
Affiliation(s) Ecole Natl Ingn Tech & Ind Agro Alimentaires, Lab Biochim Ind Alimentaire, F-44322 Nantes 3, France.
Inst Francais Rech Exploitat Mer, Ctr Brest, INRA, Lab Nutr Poissons, F-29280 Plouzane, France.
Source Journal of the science of food and agriculture (0022-5142) (Society of Chemical Industry), 2001-11 , Vol. 81 , N. 14 , P. 1339-1346
DOI 10.1002/jsfa.950
WOS© Times Cited 53
Keyword(s) Vegetable oils, Turbot, Olfactometry, Odour active compounds
Abstract Odour-active compounds in muscle of turbot (Psetta maxima) fed experimental diets containing fish oil (FO), soybean oil (SO) or linseed oil (LO) were investigated by a gas chromatography/olfactometry technique. Thirty-one areas associated with odours were detected in muscle extracts. Among the compounds responsible for these odours, 23 were formed by oxidation of unsaturated fatty acids. Independently of diet, (E)-2-penten-1-ol and (E)-3-hexen-1-ol contribute strongly to the odour of turbot. (E,Z)-2,6-Nonadienal, (E)-2-pentenal and (E,E)-1,3-(Z)-5-octatriene seem to contribute strongly to the odour of turbot fed diets containing high levels of n-3 PUFA (FO and LO groups). Hexanal and decanal show a high detection frequency in turbot fed diets containing vegetable oils. Odorous compounds which are not formed by lipid oxidation (methional, 1-acetyl pyrazine, 4-ethyl benzaldehyde and 2-acetyl-2-thiazoline) were not affected by dietary lipid sources.
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Serot Thierry, Regost Christelle, Prost Carole, Robin Jean, Arzel Jacqueline (2001). Effect of dietary lipid sources on odour-active compounds in muscle of turbot (Psetta maxima). Journal of the science of food and agriculture, 81(14), 1339-1346. Publisher's official version : https://doi.org/10.1002/jsfa.950 , Open Access version : https://archimer.ifremer.fr/doc/00000/683/