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.
Oatmeal		330	×	0.44	=	1.452	grams.
Butter	12 + 10 =	22	×	0.11	=	0.024
Sugar		35	×	0.00	=	0.000
Milk	100 + 200 + 245 =	545	×	0.58	=	3.161
Coffee		185	×	0.099	=	0.183
Bread	73 + 82 =	155	×	1.33	=	2.062
Fried potato		125	×	0.48	=	0.600
Onions		118	×	0.25	=	0.295
Macaroni and cheese		128	×	1.53	=	1.958
Apple pie		110	×	0.55	=	0.605
Boiled potato		130	×	0.30	=	0.390
Chocolate cake		114	×	0.95	=	1.083
	Total nitrogen in food					11.813	grams.
	Total nitrogen in urine					7.590

Fuel value of the food

2620 calories.

Tuesday, May 10, 1904.

Breakfast.—Oatmeal 357 grams, butter 11 grams, sugar 35 grams, milk 100 grams, coffee 185 grams.

Dinner.—Soda biscuit 68 grams, boiled potato 160 grams, butter 20 grams, stewed tomato 103 grams, custard pie 103 grams, milk 200 grams.

Supper.—Soda biscuit 81 grams, butter 14 grams, stewed potato 97 grams, chocolate cake 66 grams, milk 200 grams.

Food.		Grams.	Per cent Nitrogen.			Total Nitrogen.
Oatmeal		357	×	0.42	=	1.499	grams.
Butter	11 + 20 + 14 =	45	×	0.11	=	0.050
Sugar		35	×	0.00	=	0.000
Milk	100 + 200 + 200 =	500	×	0.54	=	2.700
Coffee		185	×	0.13	=	0.241
Soda biscuit	68 + 81 =	149	×	1.27	=	1.892
Boiled potato		160	×	0.30	=	0.480
Stewed tomato		103	×	0.21	=	0.216
Custard pie		103	×	0.91	=	0.937
Stewed potato		97	×	0.45	=	0.437
Chocolate cake		66	×	0.95	=	0.627
	Total nitrogen in food					9.079	grams.
	Total nitrogen in urine					7.780

Fuel value of the food

2190 calories.

Wednesday, May 11, 1904.

Breakfast.—Oatmeal 394 grams, butter 10 grams, sugar 35 grams, milk 100 grams, coffee 185 grams.