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
Jan. 12 Supper: 8 grams Potato chips, uneaten.
13 Dinner: 113 ” Apple sauce, ”
14 ” 50 ” Coffee, ”
15 Supper: 81 ” Prunes, ”
16 Breakfast: 75 ” Coffee, ”
NITROGEN BALANCE.—_Coffman._
Nitrogen Output.
Taken in. Nitrogen in Urine. Weight of Fæces (dry).
Jan. 12 7.793 grams. 8.82 grams.
13 9.992 8.28
14 7.412 8.30 57.00 grams.
15 8.560 7.91 41.25
16 7.282 7.32 47.00
17 8.349 7.44 21.50
------ ------ ------
166.75 grams contain 6.66% N
49.388 48.07 + 11.10 grams nitrogen.
------ ----------------------
49.388 grams nitrogen. 59.17 grams nitrogen.
Nitrogen balance for six days = -9.782 grams.
Nitrogen balance per day = -1.630 grams.
Daily diet same as Oakman’s.
NITROGEN BALANCE.—_Fritz._
Nitrogen Output.
Taken in. Nitrogen in Urine. Weight of Fæces (dry).
Jan. 12 7.793 grams. 8.99 grams.
13 9.992 6.49
14 7.412 10.26 64.0 grams.
15 8.560 7.97 29.5
16 7.282 5.20 62.0
17 8.186 9.40 31.0
------ ------ ------
186.5 grams contain 6.49% N.
49.225 48.31 + 12.10 grams nitrogen.
------ ----------------------
49.225 grams nitrogen. 60.41 grams nitrogen.
Nitrogen balance for six days = -11.185 grams.
Nitrogen balance per day = -1.864 grams.
Daily diet same as Oakman’s, except that on the 17th inst. a portion of
the prunes was uneaten. Correction made accordingly.
NITROGEN BALANCE.—_Henderson._
Nitrogen Output.
Taken in. Nitrogen in Urine. Weight of Fæces (dry).
Jan. 12 7.639 grams. 7.68 grams.
13 9.794 8.22
14 7.487 8.24
15 8.560 7.76 45 grams.
16 7.068 7.56 26
17 8.045 7.87 22
------ ------ ------
93 grams contain 6.45% N.
48.593 47.33 + 6.00 grams nitrogen.
------ ----------------------
48.593 grams nitrogen. 53.33 grams nitrogen.
Nitrogen balance for six days = -4.737 grams.
Nitrogen balance per day = -0.789 gram.
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