Lunch.—Bread 70.5 grams, butter 29 grams, potato 123 grams, apple sauce 127.5 grams, coffee 210 grams, sugar 21 grams.
Dinner.—Bread 20.5 grams, butter 23 grams, chicken 101.5 grams, potato 80 grams, succotash 80 grams, chocolate cake 103 grams, ice cream 125.8 grams, coffee 210 grams, sugar 21 grams.
| Food. | Grams. | Per cent Nitrogen. | Total Nitrogen. | ||||
|---|---|---|---|---|---|---|---|
| Bread | 31 + 70.5 + 20.5 = | 122.0 | × | 1.75 | = | 2.135 | grams. |
| Tea | 146.0 | × | 0.063 | = | 0.091 | ||
| Butter | 29 + 23 = | 52.0 | × | 0.088 | = | 0.045 | |
| Potato | 123.0 | × | 0.41 | = | 0.504 | ||
| Apple sauce | 127.5 | × | 0.029 | = | 0.037 | ||
| Coffee (lunch) | 210.0 | × | 0.10 | = | 0.210 | ||
| Sugar | 21 + 21 = | 42.0 | × | 0.00 | = | 0.000 | |
| Chicken | 101.5 | × | 5.08 | = | 5.150 | ||
| Potato | 80.0 | × | 0.37 | = | 0.296 | ||
| Succotash | 80.0 | × | 0.57 | = | 0.456 | ||
| Chocolate cake | 103.0 | × | 0.75 | = | 0.772 | ||
| Ice cream | 125.8 | × | 0.58 | = | 0.729 | ||
| Coffee (dinner) | 210.0 | × | 0.11 | = | 0.231 | ||
| Total nitrogen in food | 10.656 | grams. | |||||
| Total nitrogen in urine | 7.730 | ||||||
| Fuel value of the food | 2231 calories. |
NITROGEN BALANCE.—Underhill.
| Nitrogen Taken in. | Output. | ||||||
|---|---|---|---|---|---|---|---|
| Nitrogen in Urine. | Weight of Fæces (dry). | ||||||
| Feb. | 9 | 7.832 | grams. | 7.49 | grams. | 9.5 | grams. |
| 10 | 7.674 | 6.14 | |||||
| 11 | 9.770 | 8.02 | 32.0 | ||||
| 12 | 9.483 | 8.82 | 9.5 | ||||
| 13 | 7.622 | 7.17 | 28.0 | ||||
| 14 | 10.656 | 7.73 | 24.0 | ||||
| 103.0 | grams contain 6.52% N. | ||||||
| 53.037 | 45.37 | + | 6.715 | grams nitrogen. | |||
| 53.037 | grams nitrogen. | 52.085 | grams nitrogen. | ||||
| Nitrogen balance for six days | = | +0.952 | gram. |
| Nitrogen balance per day | = | +0.158 | gram. |
Average Intake.
| Calories per day | 2068. |
| Nitrogen per day | 8.83 grams. |