Physiological economy in nutrition, with special reference to the minimal proteid requirement of the healthy man: an experimental studyChittenden, R. H. (Russell Henry)
Science
Physiological economy in nutrition, with special reference to the minimal proteid requirement of the healthy man: an experimental study
Chittenden, R. H. (Russell Henry)
Metabolism; Nutrition
Bread 50 + 108.5 + 63 = 221.5 × 1.75 = 3.87 grams.
Sugar 21 + 28 + 28 = 77.0 × 0.00 = 0.00
Banana 92.5 × 0.002 = 0.19
Coffee (breakfast) 210.0 × 0.11 = 0.23
Baked potato 165.0 × 0.41 = 0.68
Apple sauce 114.0 × 0.029 = 0.03
Coffee (lunch) 210.0 × 0.10 = 0.21
Succotash 75.0 × 0.57 = 0.43
Mashed potato 200.0 × 0.37 = 0.74
Chocolate cake 80.0 × 0.75 = 0.60
Ice cream 73.0 × 0.58 = 0.42
Coffee (dinner) 210.0 × 0.11 = 0.23
------
Total nitrogen in food 7.63 grams.
Total nitrogen in urine 7.99
Fuel value of the food 2065 calories.
NITROGEN BALANCE.—_Mendel._
Nitrogen Output.
Taken in. Nitrogen in Urine. Weight of Fæces (dry).
Feb. 9 7.63 grams. 7.52 grams.
10 6.77 6.75
11 8.62 6.71
12 8.83 8.24 53 ⎫ contain 5.84%
⎬ N = 6.248 grm. N.
13 7.31 7.83 54 ⎭
14 7.63 7.99 39.2 contain 6.72%
N = 2.634
------ ------ ------ -----
146.2 8.882 grm. N.
46.79 45.04 + 8.882 grams nitrogen.
------ ----------------------
46.79 grams nitrogen. 53.92 grams nitrogen.
Nitrogen balance for six days = -7.13 grams.
Nitrogen balance per day = -1.19 grams.
Average Intake.
Calories per day 1975.
Nitrogen per day 7.83 grams.
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