Physiological economy in nutrition, with special reference to the minimal proteid requirement of the healthy man / an experimental study

by R. H. Chittenden

Food.		Grams.	Per cent Nitrogen.			Total Nitrogen.
Boiled hominy		150	×	0.21	=	0.315	gram.
Milk		125	×	0.52	=	0.650
Sugar		30	×	0.00	=	0.000
Butter		10	×	0.10	=	0.010
Bread (breakfast)		30	×	1.59	=	0.477
Coffee (breakfast)		350	×	0.096	=	0.336
Split pea soup		200	×	0.69	=	1.380
Bread (dinner)		75	×	1.59	=	1.192
Mashed potato		100	×	0.31	=	0.310
Pickles		30	×	0.054	=	0.016
Coffee (dinner)		350	×	0.075	=	0.262
Pie		120	×	0.50	=	0.600
Suet pudding		150	×	0.78	=	1.170
Apple sauce		125	×	0.058	=	0.072
Crackers		25	×	1.61	=	0.402
Tea		350	×	0.063	=	0.220
	Total nitrogen in food					7.412	grams.
	Total nitrogen in urine					8.290

Fuel value of the food

2000 calories.

Friday, January 15, 1904.

Breakfast.—Wheat griddle cakes 200 grams, syrup 50 grams, one cup coffee 350 grams.

Dinner.—Codfish-balls (4 parts potato, 1 part fish, fried in pork fat) 150 grams, stewed tomato 200 grams, bread 75 grams, one cup coffee 350 grams, apple pie 95 grams.

Supper.—Apple fritters 200 grams, stewed prunes 125 grams, bread 50 grams, butter 15 grams, one cup tea 350 grams.

Food.		Grams.	Per cent Nitrogen.			Total Nitrogen.
Wheat griddle cakes		200	×	0.78	=	1.560	grams.
Syrup		50	×	0.051	=	0.025
Coffee (breakfast)		350	×	0.075	=	0.262
Codfish-balls, etc.		150	×	1.77	=	2.655
Stewed tomato		200	×	0.14	=	0.280
Bread (dinner)		75	×	1.59	=	1.192
Coffee (dinner)		350	×	0.075	=	0.262
Apple pie		95	×	0.40	=	0.380
Apple fritters		200	×	0.40	=	0.800
Stewed prunes		125	×	0.15	=	0.187
Bread (supper)		50	×	1.59	=	0.795
Butter		15	×	0.10	=	0.015
Tea		350	×	0.042	=	0.147
	Total nitrogen in food					8.560	grams.
	Total nitrogen in urine					7.140

Fuel value of the food

2030 calories.