Table 1. Composition of experimental diet.

Ingredients, g	ND	HPD
Corn starch	150	150
Casein	200	500
D,L-methionine	3	3
Sucrose	500	200
Cellulose powder	50	50
Corn oil	50	50
Mineral mixture*	35	35
Vitamin mixture†	10	10
Choline bitartrate	2	2
tert-Butylhydroquinone	0.01	0.01
Total, g	1,000	1,000

ND, normal diet; HPD, high protein diet; AIN, American Institute of Nutrition.

^*Composition of AIN-76A mineral mix (g/kg): calcium phosphate, dibasic 500; sodium chloride 74; potassium citrate, monohydrate 220; potassium sulfate 52; magnesium oxide 24; manganous carbonate (43%–48% Mn) 3.5; ferric citrate (16%–17% Fe) 6; zinc carbonate(70% ZnO) 1.6; cupric carbonate (53%–55% Cu) 0.3; potassium iodate 0.01; sodium selenite 0.01; chromium potassium sulfate 0.55; sucrose, finely powdered 118.03; ^†Composition of AIN-76A vitamin mix (g/kg): thiamin hydrochloride 0.6; riboflavin 0.6; pyridoxine hydrochloride 0.7; nicotinic acid 3.0; D-calcium pantothenate 1.6; folic acid 0.2; D-biotin 0.02; cyanocobalamine 0.001; cholecalciferol(400,000 IU/g) 0.25; manaquinone 0.005; ascorbic acid 0.2; sucrose, finely powdered 992.824.