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Departamento de Biología y Medicina, Comisión Nacional de Energia Atómica, Buenos Aires, Argentina
Dietary adaptation to high-fat and high-carbohydrate diets was shown to modify the absorptive and post-absorptive levels of liver glucose-6-phosphatase activity in the rat. Fasting levels were higher in the animals previously fed carbohydrate diets.
Fat adaptation, however, decreased the activity of liver phosphohexoseisomerase during absorption and fasting.
Manuscript received 22 August 1960.