Specific distribution of fatty acids in the triglycerides of rainbow trout adipose tissue. Influence of temperature |
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Authors: | C Leger P Bergot P Luquet J Flanzy J Meurot |
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Affiliation: | (1) Station de Recherches de Nutrition, Centre National de Recherches Zootechniques, INRA, 78350 Jouy-en-Josas, France;(2) Laboratoire de Nutrition des Poissons, Centre National de Recherches Zootechniques, INRA, 78350 Jouy-en-Josas, France;(3) Station de Recherches de Nutrition, Centre National de Recherches Zootechniques, INRA, 78350 Jouy-en-Josas, France |
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Abstract: | In the trout, the unsaturated fatty acids are preferentially located in the β-position and the saturated fatty acids in the
α-position of triglycerides. This fatty acid distribution is retained even with diets containing lard. The fish are, therefore,
able to modify completely the fatty acid distribution of dietary triglycerides. There is no retention of the β-monoglyceride
structure during the biosynthetic processes. However, the modification of the dietary fatty acid distribution by the trout
seems to be more difficult at 18 C than at 10C.
Presented in part at the 13th World Congress of the International Society for Fat Research, Marseille, France, 1976. |
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