Body weight, body composition, and energy metabolism in lean and obese Zucker rats fed soybean oil or butter

摘要: Background Dietary fat composition is thought to affect body weight regulation independent of the amount ingested. Objective We analyzed feeding behavior, gain, composition, and energy metabolism in lean obese rats fed a diet which was form either butter or soybean oil. Design Ten (Fa/?) 10 (fa/fa) adult Zucker were divided into 4 groups according 2 x experimental design. They normally balanced over 11 wk 30% oil butter. Food intake, measured. Indirect calorimetry used study at rest relation activity. Results intake increased similarly after feeding. Body gain decreased due mainly an increase tissues besides muscle, whereas adiposity distribution between various pads did not change. Resting metabolic rates postprandial lipid oxidation butter-fed rats. Lipid during exercise significantly different Fat treadmill running moderate intensity. Conclusions In rats, basal feeding, appeared prevent accumulation long term. favored utilization by working muscles, observation that deserves further investigation terms endurance performance.