NITROGEN BALANCE.—_Sliney._

Nitrogen Output.

Taken in. Nitrogen in Urine. Weight of Fæces (dry).

Jan. 12 6.501 grams. 5.94 grams. 22.5 grams.

13 9.975 8.44 26.0

14 7.388 7.42 22.5

15 8.560 7.89 24.0

16 7.282 7.23 13.0

17 8.349 8.15 15.0

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123.0 grams contain 6.72% N.

48.055 45.07 + 8.26 grams nitrogen.

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48.055 grams nitrogen. 53.33 grams nitrogen.

Nitrogen balance for six days = -5.275 grams.

Nitrogen balance per day = -0.879 gram.

Daily diet same as Oakman’s, except that on the 12th 190 grams stewed

tomatoes and 190 grams macaroni were uneaten; on the 13th at breakfast 25

grams of coffee were left, and on the 14th at breakfast 25 grams coffee

were not taken. Corrections in intake of nitrogen made accordingly.

[Illustration: COFFMAN

Physiological economy in nutrition, with special reference to the minimal proteid requirement of the healthy man an experimental study · 第 129 / 237 题