[Influence of the concentration and composition of dietary fats on biochemical changes in the liver and blood of rats during protracted muscular activity].

Tests made on adult albino rats kept for two weeks on isocaloric rations with an equal content of protein, but differing in that of fat and dissimilar in the fatty acids composition and the methionine level evidenced that in the event of a prolonged muscular activity the authors find rations with a not too high fat content (30 and less per cent of the aggregate caloricity), but sufficiently rich in linolic acid and methionine more adequate. Failure to comply with these conditions causes an inferior utilization of lipids during muscular activity and slowing down of the restitution processes at the time of rest. The character of the ration has no material effect on the mobilization of carbohydrates and lipids during muscular activity.