On fat metabolism ■ Fatty acids accelerate the oxidation of free fatty acids increase the effect of catecholamine on decomposition of fat a decrease plasma cholesterol concentration promote synthesis increase decompositionOn fat metabolism ◼ Fatty acids: ◼ accelerate the oxidation of free fatty acids ◼ increase the effect of catecholamine on decomposition of fat. ◼ decrease plasma cholesterol concentration ◼ promote synthesis ◼ increase decomposition