The capacity of gastrocnemius and quadriceps muscles to oxidize palmitate, oleate, linoleate, palmityl CoA, and palmityl carnitine doubled in rats subjected to a program of treadmill running. The rate of palmitate oxdation by whole homogenates of, or the mitochondrial fraction from, leg muscles was twice as great per gram wet weight of muscle in the trained as in the sedentary animals over a wide range (0.125-1.5 mM) of palmitate concentrations.


P. A. Molé, L. B. Oscai, J. O. Holloszy


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