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.
Coffee	97 + 50 =	147	×	0.042	=	0.060	gram.
Cream		26	×	0.42	=	0.109
Sugar	9 + 10 + 11 =	30	×	0.00	=	0.000
Baked potato		83	×	0.40	=	0.332
Fried sausage		36	×	3.06	=	1.101
Soda biscuit		39	×	1.66	=	0.647
Butter	12 + 15 =	27	×	0.10	=	0.027
Tea		137	×	0.048	=	0.066
Cream meringue		59	×	0.92	=	0.543
Chicken broth		146	×	0.78	=	1.138
Bread		52	×	1.66	=	0.863
Creamed potato		76	×	0.42	=	0.319
Custard		76	×	0.82	=	0.623
Cheese crackers		10	×	2.54	=	0.254
	Total nitrogen in food					6.082	grams.
	Total nitrogen in urine					5.940

Fuel value of the food

1398 calories.

Wednesday, March 23, 1904.

Breakfast, 7.45 A. M.—Coffee 103 grams, cream 30 grams, sugar 10 grams.

Lunch, 1.30 P. M.—Creamed codfish 64 grams, potato balls 54 grams, biscuit 44 grams, butter 22 grams, tea 120 grams, sugar 10 grams, wheat griddle cakes 133 grams, maple syrup 108 grams.

Dinner, 6.30 P. M.—Creamed potato 85 grams, biscuit 53 grams, butter 15 grams, apple-celery-lettuce salad 50 grams, apple pie 127 grams, coffee 67 grams, sugar 8 grams, cheese crackers 17 grams.

Food.		Grams.	Per cent Nitrogen.			Total Nitrogen.
Coffee	103 + 67 =	170	×	0.042	=	0.071	gram.
Sugar	10 + 10 + 8 =	28	×	0.00	=	0.000
Cream		30	×	0.43	=	0.129
Potato balls		54	×	0.68	=	0.367
Creamed codfish		64	×	1.26	=	0.806
Biscuit	44 + 53 =	97	×	1.66	=	1.610
Butter	22 + 15 =	37	×	0.10	=	0.037
Tea		120	×	0.048	=	0.058
Wheat griddle cakes		133	×	1.32	=	1.760
Maple syrup		108	×	0.019	=	0.021
Creamed potato		85	×	0.53	=	0.450
Cheese crackers		17	×	2.54	=	0.431
Apple-celery salad		50	×	0.20	=	0.100
Apple pie		127	×	0.75	=	0.953
	Total nitrogen in food					6.793	grams.
	Total nitrogen in urine					5.610

Fuel value of the food

1984 calories.