منابع مشابه
Meat fatty acid composition as affected by fatness and genetic factors: a review
Meat fatty acid composition is influenced by genetic factors, although to a lower extent than dietary factors. The species is the major source of variation in fatty acid composition with ruminant meats being more saturated as a result of biohydrogenation in the rumen compared to the meat of monogastric animals. The level of fatness also has an effect on the meat fatty acid composition. The cont...
متن کاملFatty acid transport and fatty acid-binding proteins.
Les protkines de liaison ou de transfert des acides gras sont prCsentes dans les fluides intraet extra-cellulaires de la plupart des organismes. Elles jouent un r61e dans le transport ou le ciblage des acides gras, mais peuvent kgalement agir en interaction avec different processus par la modulation de la concentration de la liaison libre. Quelques protkines de liaison des acides gras sont asse...
متن کاملGRAS Flavoring Substances 21
tion. During a GRAS assessment of a substance, the Expert Panel evaluates a combination of relevant data, including data specific to the substance as well as data for the chemical group to which the substance belongs. For example, a pyrazine derivative is reviewed individually and in the context of its chemical group (42 other pyrazine derivatives) (Smith et al., 2002a). The analysis of food an...
متن کاملThe importance of dietary phosphorus and highly unsaturated fatty acids for sockeye (Oncorhynchus nerka) growth in Lake Washington — a bioenergetics approach
Juvenile sockeye salmon (Oncorhynchus nerka) in Lake Washington experience very high growth rates, but the mechanisms regulating their growth rates are poorly understood. The potential for food quality limitation of growth was tested using a coupled bioenergetics and mass balance model. Sockeye and zooplankton prey species were analyzed for their fatty acid composition. Ratios of phosphorus to ...
متن کاملEffects of fatty acids and dietary lipids on cells of the immune system
La synthkse des acides gras de novo fournit de l’acide palmitique. Celui-ci peut Ctre allongC jusqu’h l’acide stCarique, un substrat de Pa Ay-dCsaturase, donnant ainsi de l’acide olkique (18:ln-9). Les animaux ne posskdent pas les enzymes A12ou A15dCsaturase qui produisent les acides linolCic (18:2n-6) et a-1inolCique (18:3n-3) respectivement; ces enzymes se trouvent dans des plantes qui contie...
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ژورنال
عنوان ژورنال: médecine/sciences
سال: 2009
ISSN: 0767-0974,1958-5381
DOI: 10.1051/medsci/200925151