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
Daily diet same as Oakman’s, except that on several days smaller amounts
of coffee and tea were taken. Corrections made accordingly.
NITROGEN BALANCE.—_Morris._
Nitrogen Output.
Taken in. Nitrogen in Urine. Weight of Fæces (dry).
Jan. 12 7.255 grams. 4.19 grams.
13 9.573 7.92
14 7.325 7.91 4.75 grams.
15 8.638 7.44 38.00
16 7.282 7.38 71.00
17 8.349 5.28 53.00
------ ------ ------
166.75 grams contain 6.45% N.
48.322 40.12 + 10.75 grams nitrogen.
------ ----------------------
48.322 grams nitrogen. 50.87 grams nitrogen.
Nitrogen balance for six days = -2.548 grams.
Nitrogen balance per day = -0.424 gram.
Daily diet same as Oakman’s except that on the first three days smaller
amounts of tea and coffee were taken. Corrections made accordingly.
NITROGEN BALANCE.—_Zooman._
Nitrogen Output.
Taken in. Nitrogen in Urine. Weight of Fæces (dry).
Jan. 12 7.466 grams. 11.31 grams.
13 9.992 11.63
14 7.412 9.38
15 8.560 8.44 27.5 grams.
16 7.282 8.89 28.5
17 8.349 8.99 13.0
------ ------ ------
69.0 grams contain 6.46% N.
49.061 58.64 + 4.45 grams nitrogen.
------ ----------------------
49.061 grams nitrogen. 63.09 grams nitrogen.
Nitrogen balance for six days = -14.029 grams.
Nitrogen balance per day = -2.338 gram.
Daily diet same as Oakman’s, except that on January 12th 30 grams potato
chips were not eaten. Nitrogen intake corrected accordingly.
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
------ ------ ------
123.0 grams contain 6.72% N.
48.055 45.07 + 8.26 grams nitrogen.
------ ----------------------
48.055 grams nitrogen. 53.33 grams nitrogen.
Nitrogen balance for six days = -5.275 grams.
Nitrogen balance per day = -0.879 gram.
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