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

Food.		Grams.	Per cent Nitrogen.			Total Nitrogen.
Bread	34 + 42 + 46 =	122.0	×	1.71	=	2.086	grams.
Tea		146.0	×	0.045	=	0.065
Butter	20 + 25.5 =	45.5	×	0.088	=	0.040
Codfish cake		72.0	×	1.57	=	1.130
Potato		100.0	×	0.41	=	0.410
Custard		100.0	×	0.83	=	0.830
Coffee (lunch)		210.0	×	0.078	=	0.163
Sugar	21 + 21 =	42.0	×	0.00	=	0.000
Veal		53.0	×	5.51	=	2.920
Potato		75.0	×	0.37	=	0.277
Lima beans		50.0	×	0.90	=	0.450
Apple dumpling		120.0	×	0.72	=	0.860
Coffee (dinner)		210.0	×	0.12	=	0.252
	Total nitrogen in food					9.483	grams.
	Total nitrogen in urine					8.820

Fuel value of the food

1735 calories.

Saturday, February 13, 1904.

Breakfast.—Bread 35 grams, tea 146 grams.

Lunch.—Bread 57.5 grams, butter 28 grams, sweet potato 100 grams, coffee 210 grams, sugar 21 grams, quince 105.5 grams, apple turnovers 153 grams.

Dinner.—Bread 35.5 grams, butter 11 grams, peas 70 grams, roast beef 50 grams, pie 169 grams, coffee 210 grams, sugar 21 grams.

Food.		Grams.	Per cent Nitrogen.			Total Nitrogen.
Bread	35 + 57.5 + 35.5 =	128.0	×	1.64	=	2.099	grams.
Tea		146.0	×	0.033	=	0.048
Butter	28 + 11 =	39.0	×	0.088	=	0.034
Sweet potato		100.0	×	0.37	=	0.370
Coffee (lunch)		210.0	×	0.15	=	0.315
Sugar	21 + 21 =	42.0	×	0.00	=	0.000
Quince		105.5	×	0.047	=	0.049
Apple turnovers		153.0	×	0.96	=	1.468
Peas		70.0	×	0.96	=	0.672
Roast beef		50.0	×	3.22	=	1.610
Pie		169.0	×	0.43	=	0.726
Coffee (dinner)		210.0	×	0.11	=	0.231
	Total nitrogen in food					7.622	grams.
	Total nitrogen in urine					7.170

Fuel value of the food

2186 calories.

Sunday, February 14, 1904.

Breakfast.—Bread 31 grams, tea 146 grams.