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

by R. H. Chittenden

Dinner.—Soup 141 grams, bread 78 grams, butter 14 grams, boiled potato 101 grams, corn 128 grams, rice pudding 116 grams, milk 200 grams.

Supper.—Biscuit 103 grams, butter 11 grams, corn 113 grams, cake 60 grams, milk 205 grams.

Food.		Grams.	Per cent Nitrogen.			Total Nitrogen.
Oatmeal		394	×	0.46	=	1.812	grams.
Butter	10 + 14 + 11 =	35	×	0.11	=	0.039
Sugar		35	×	0.00	=	0.000
Milk	100 + 200 + 205 =	505	×	0.54	=	2.727
Coffee		185	×	0.13	=	0.241
Soup		141	×	0.48	=	0.677
Bread		78	×	1.25	=	0.975
Boiled potato		101	×	0.31	=	0.313
Corn	113 + 128 =	241	×	0.46	=	1.109
Rice pudding		116	×	0.63	=	0.731
Biscuit		103	×	1.42	=	1.463
Cake		60	×	0.78	=	0.468
	Total nitrogen in food					10.555	grams.
	Total nitrogen in urine					8.280

Fuel value of the food

2183 calories.

Thursday, May 12, 1904.

Breakfast.—Oatmeal 349 grams, butter 10 grams, sugar 35 grams, milk 100 grams, coffee 185 grams.

Dinner.—Soup 137 grams, fried potato 43 grams, bread 100 grams, macaroni and cheese 122 grams, bread pudding 80 grams, milk 200 grams.

Supper.—Stewed potato 126 grams, bread 122 grams, cake 73 grams, apricots 81 grams, milk 220 grams.

Food.		Grams.	Per cent Nitrogen.			Total Nitrogen.
Oatmeal		349	×	0.41	=	1.431	grams.
Butter		10	×	0.11	=	0.011
Sugar		35	×	0.00	=	0.000
Milk	100 + 200 + 220 =	520	×	0.57	=	2.964
Coffee		185	×	0.13	=	0.241
Soup		137	×	0.48	=	0.658
Fried potato		43	×	0.76	=	0.327
Bread	100 + 122 =	222	×	1.25	=	2.775
Macaroni and cheese		122	×	1.94	=	2.370
Bread pudding		80	×	0.82	=	0.656
Stewed potato		126	×	0.43	=	0.542
Cake		73	×	0.78	=	0.569
Apricots		81	×	0.23	=	0.186
	Total nitrogen in food					12.730	grams.
	Total nitrogen in urine					9.360