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	37 + 110 + 37 =	184	×	1.65	=	3.04	grams.
Sugar	20 + 7 + 21 =	48	×	0.00	=	0.00
Coffee (breakfast)		210	×	0.12	=	0.25
Milk		250	×	0.55	=	1.37
Apple fritters		90	×	0.45	=	0.40
Baked beans		100	×	1.40	=	1.40
Cranberry sauce		125	×	0.04	=	0.05
Coffee (dinner)		210	×	0.11	=	0.23
Candy		54	×	0.06	=	0.03
	Total nitrogen in food					6.77	grams.
	Total nitrogen in urine					6.75

Fuel value of the food

1673 calories.

Thursday, February 11, 1904.

Breakfast.—Bread 40 grams, sugar 20 grams, coffee and milk 210 grams.

Lunch.—Bread 95 grams, sweet potato 130 grams, sugar 7 grams, milk 250 grams, peach preserve 93 grams.

Dinner.—Bread 90 grams, mashed potato 100 grams, tomato purée 135 grams, baked beans 75 grams, lemon pie 110 grams, coffee and milk 210 grams, sugar 21 grams.

Food.		Grams.	Per cent Nitrogen.			Total Nitrogen.
Bread	40 + 95 + 90 =	225	×	1.75	=	3.94	grams.
Sugar	20 + 7 + 21 =	48	×	0.00	=	0.00
Coffee (breakfast)		210	×	0.096	=	0.20
Sweet potato		130	×	0.31	=	0.40
Milk		250	×	0.51	=	1.27
Peach preserve		93	×	0.09	=	0.08
Potato		100	×	0.36	=	0.36
Tomato purée		135	×	0.33	=	0.45
Baked beans		75	×	1.30	=	0.98
Lemon pie		110	×	0.61	=	0.67
Coffee (dinner)		210	×	0.13	=	0.27
	Total nitrogen in food					8.62	grams.
	Total nitrogen in urine					6.71

Fuel value of the food

1828 calories.

Friday, February 12, 1904.

Breakfast.—Bread 58 grams, sugar 21 grams, coffee and milk 210 grams.