OAKMAN.

Tuesday, January 12, 1904.

Breakfast.—Fried Indian-meal 100 grams, syrup 50 grams, one cup coffee 350 grams, bread 50 grams, butter 15 grams.

Dinner.—Boiled macaroni 250 grams, stewed tomato 250 grams, bread 75 grams, one cup coffee 350 grams.

Supper.—Potato chips 100 grams, fried bacon 25 grams, bread 75 grams, jam 75 grams, one cup tea 350 grams.

Food.Grams.Per cent Nitrogen.Total Nitrogen.
Fried Indian-meal100×0.38=0.380gram.
Syrup50×0.051=0.025
Coffee (breakfast)350×0.075=0.262
Butter15×0.10=0.015
Macaroni250×0.53=1.325
Stewed tomato250×0.15=0.375
Bread50 + 75 + 75 =200×1.48=2.960
Potato chips100×1.09=1.090
Bacon25×3.13=0.780
Jam75×0.039=0.029
Tea350×0.067=0.234
Coffee (dinner)350×0.091=0.318
Total nitrogen in food7.793grams.
Total nitrogen in urine6.000
Fuel value of the food2404 calories.

Wednesday, January 13, 1904.

Breakfast.—Boiled rice 150 grams, milk 125 grams, sugar 30 grams, butter 10 grams, bread 30 grams, one cup coffee 350 grams.

Dinner.—Hamburg steak with plenty of bread, fat, and onions chopped together 150 grams, boiled potato 200 grams, apple sauce 200 grams, bread 75 grams, one cup coffee 350 grams.

Supper.—Fried rice 100 grams, syrup 50 grams, one cup tea 350 grams, bread 50 grams, butter 15 grams.

Food.Grams.Per cent Nitrogen.Total Nitrogen.
Boiled rice150×0.36=0.540grams.
Milk125×0.55=0.687
Sugar30×0.00=0.000
Butter (breakfast)10×0.10=0.010
Bread (breakfast)30×1.66=0.498
Coffee (breakfast)350×0.066=0.231
Hamburg steak, etc.150×2.80=4.200
Potato200×0.29=0.580
Apple sauce200×0.067=0.134
Bread (dinner)75×1.66=1.245
Coffee (dinner)350×0.076=0.266
Fried rice100×0.50=0.500
Syrup50×0.051=0.025
Tea350×0.066=0.231
Bread (supper)50×1.66=0.830
Butter15×0.10=0.015
Total nitrogen in food9.992grams.
Total nitrogen in urine7.330
Fuel value of the food2133 calories.

Thursday, January 14, 1904.

Breakfast.—Boiled hominy 150 grams, milk 125 grams, sugar 30 grams, butter 10 grams, bread 30 grams, one cup coffee 350 grams.

Dinner.—Split pea soup (thick) 200 grams, bread 75 grams, mashed potato 100 grams, pickles 30 grams, one cup coffee 350 grams, pie 120 grams.

Supper.—Suet pudding 150 grams, apple sauce 125 grams, crackers 25 grams, one cup tea 350 grams.

Food.Grams.Per cent Nitrogen.Total Nitrogen.
Boiled hominy150×0.21=0.315gram.
Milk125×0.52=0.650
Sugar30×0.00=0.000
Butter10×0.10=0.010
Bread (breakfast)30×1.59=0.477
Coffee (breakfast)350×0.096=0.336
Split pea soup200×0.69=1.380
Bread (dinner)75×1.59=1.192
Mashed potato100×0.31=0.310
Pickles30×0.054=0.016
Coffee (dinner)350×0.075=0.262
Pie120×0.50=0.600
Suet pudding150×0.78=1.170
Apple sauce125×0.058=0.072
Crackers25×1.61=0.402
Tea350×0.063=0.220
Total nitrogen in food7.412grams.
Total nitrogen in urine8.290
Fuel value of the food2000 calories.

Friday, January 15, 1904.

Breakfast.—Wheat griddle cakes 200 grams, syrup 50 grams, one cup coffee 350 grams.

Dinner.—Codfish-balls (4 parts potato, 1 part fish, fried in pork fat) 150 grams, stewed tomato 200 grams, bread 75 grams, one cup coffee 350 grams, apple pie 95 grams.

Supper.—Apple fritters 200 grams, stewed prunes 125 grams, bread 50 grams, butter 15 grams, one cup tea 350 grams.

Food.Grams.Per cent Nitrogen.Total Nitrogen.
Wheat griddle cakes200×0.78=1.560grams.
Syrup50×0.051=0.025
Coffee (breakfast)350×0.075=0.262
Codfish-balls, etc.150×1.77=2.655
Stewed tomato200×0.14=0.280
Bread (dinner)75×1.59=1.192
Coffee (dinner)350×0.075=0.262
Apple pie95×0.40=0.380
Apple fritters200×0.40=0.800
Stewed prunes125×0.15=0.187
Bread (supper)50×1.59=0.795
Butter15×0.10=0.015
Tea350×0.042=0.147
Total nitrogen in food8.560grams.
Total nitrogen in urine7.140
Fuel value of the food2030 calories.

Saturday, January 16, 1904.

Breakfast.—Soft oatmeal 150 grams, milk 100 grams, sugar 30 grams, bread 30 grams, butter 10 grams, one cup coffee 350 grams.

Dinner.—Baked macaroni with a little cheese 200 grams, stewed tomato 200 grams, bread 50 grams, tapioca-peach pudding 150 grams, one cup coffee 350 grams.

Supper.—French fried potato 100 grams, fried bacon 20 grams, bread 75 grams, jam 75 grams, one cup tea 350 grams.

Food.Grams.Per cent Nitrogen.Total Nitrogen.
Soft oatmeal150×0.27=0.405grams.
Milk100×0.44=0.440
Sugar30×0.00=0.000
Bread (breakfast)30×1.61=0.483
Butter10×0.10=0.010
Coffee (breakfast)350×0.075=0.262
Baked macaroni, etc.200×0.72=1.440
Stewed tomatoes200×0.15=0.300
Bread (dinner)50×1.61=0.805
Tapioca-peach pudding150×0.087=0.130
Coffee (dinner)350×0.093=0.325
French fried potato100×0.47=0.470
Fried bacon20×3.15=0.630
Bread (supper)75×1.61=1.207
Jam75×0.039=0.029
Tea350×0.099=0.346
Total nitrogen in food7.282grams.
Total nitrogen in urine8.230
Fuel value of the food1824 calories.

Sunday, January 17, 1904.

Breakfast.—Boiled Indian-meal 125 grams, milk 125 grams, sugar 30 grams, butter 10 grams, bread 30 grams, one cup coffee 350 grams.

Dinner.—Bean soup (thick) 200 grams, bread 75 grams, mashed potato 100 grams, pickles 25 grams, one cup coffee 350 grams, custard pie 105 grams.

Supper.—Crackers 50 grams, butter 15 grams, stewed prunes 125 grams, sponge cake 100 grams, one cup tea 350 grams.

Food.Grams.Per cent Nitrogen.Total Nitrogen.
Boiled Indian-meal125×0.24=0.300grams.
Milk125×0.50=0.625
Sugar30×0.00=0.000
Butter (breakfast)10×0.10=0.010
Bread (breakfast)30×1.61=0.483
Coffee (breakfast)350×0.087=0.304
Bean soup200×0.86=1.720
Bread (dinner)75×1.61=1.207
Mashed potato100×0.28=0.280
Pickles25×0.054=0.013
Coffee (dinner)350×0.081=0.283
Custard pie105×0.88=0.924
Crackers50×1.61=0.805
Butter (supper)15×0.10=0.015
Stewed prunes125×0.17=0.212
Sponge cake100×1.00=1.000
Tea350×0.048=0.168
Total nitrogen in food8.349grams.
Total nitrogen in urine8.140
Fuel value of the food2081 calories.

NITROGEN BALANCE.—Oakman.

Nitrogen
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.793grams.6.00grams.
139.9927.33
147.4128.295.0grams.
158.5607.1476.0
167.2828.2313.5
178.3498.149.5
104.0grams contain
7.39% N.
49.38845.13+7.685grams nitrogen.
49.388grams nitrogen.52.815grams nitrogen.
Nitrogen balance for six days=-3.427grams.
Nitrogen balance per day=-0.571gram.

Average Intake.

Calories per day2078.
Nitrogen per day8.23 grams.

NITROGEN BALANCE.—Loewenthal.

Nitrogen
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.793grams.7.33grams.
139.9927.6421grams.
147.3886.2126
158.5608.1852
167.2827.9237
178.3497.2611
147grams contain
6.97% N.
49.36444.54+10.24grams nitrogen.
49.364grams nitrogen.54.78grams nitrogen.
Nitrogen balance for six days=-5.416grams.
Nitrogen balance per day=-0.902gram.

Daily diet same as Oakman’s, except that a smaller amount of coffee was taken at breakfast on the 14th. Nitrogen correction made accordingly.

COFFMAN STELTZ

Photographs taken at the close of the experiment.

NITROGEN BALANCE.—Steltz.

Nitrogen
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.793grams.4.61grams.15.0grams.
139.4637.9034.0
147.4124.9921.0
158.5609.0531.5
167.2827.5633.0
178.3498.5518.0
152.5grams contain
6.52% N.
48.85942.66+9.94grams nitrogen.
48.859grams nitrogen.52.60grams nitrogen.
Nitrogen balance for six days=-3.741grams.
Nitrogen balance per day=-0.623gram.

Daily diet same as Oakman’s, except on January 13, when 8 grams of boiled rice were uneaten at breakfast and 100 grams of fried rice at supper. Correction in nitrogen-content made accordingly.

NITROGEN BALANCE.—Bates.

Nitrogen
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.706grams.7.46grams.
139.9167.03
147.3757.1336grams.
158.4398.0430
167.2267.6634
178.3497.3834
134grams contain
7.17% N.
49.01144.70+9.61grams nitrogen.
49.011grams nitrogen.54.31grams nitrogen.
Nitrogen balance for six days=-5.299grams.
Nitrogen balance per day=-0.883gram.

Daily diet same as Oakman’s, with the following exceptions:

Jan.12Supper:8gramsPotato chips,uneaten.
13Dinner:113Apple sauce,
1450Coffee,
15Supper:81Prunes,
16Breakfast:75Coffee,

NITROGEN BALANCE.—Coffman.

Nitrogen
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.793grams.8.82grams.
139.9928.28
147.4128.3057.00grams.
158.5607.9141.25
167.2827.3247.00
178.3497.4421.50
166.75grams contain
6.66% N
49.38848.07+11.10grams nitrogen.
49.388grams nitrogen.59.17grams nitrogen.
Nitrogen balance for six days=-9.782grams.
Nitrogen balance per day=-1.630grams.

Daily diet same as Oakman’s.

NITROGEN BALANCE.—Fritz.

Nitrogen
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.793grams.8.99grams.
139.9926.49
147.41210.2664.0grams.
158.5607.9729.5
167.2825.2062.0
178.1869.4031.0
186.5grams contain
6.49% N.
49.22548.31+12.10grams nitrogen.
49.225grams nitrogen.60.41grams nitrogen.
Nitrogen balance for six days=-11.185grams.
Nitrogen balance per day=-1.864grams.

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
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.639grams.7.68grams.
139.7948.22
147.4878.24
158.5607.7645grams.
167.0687.5626
178.0457.8722
93grams contain
6.45% N.
48.59347.33+6.00grams nitrogen.
48.593grams nitrogen.53.33grams nitrogen.
Nitrogen balance for six days=-4.737grams.
Nitrogen balance per day=-0.789gram.

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
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.255grams.4.19grams.
139.5737.92
147.3257.914.75grams.
158.6387.4438.00
167.2827.3871.00
178.3495.2853.00
166.75grams contain
6.45% N.
48.32240.12+10.75grams nitrogen.
48.322grams nitrogen.50.87grams nitrogen.
Nitrogen balance for six days=-2.548grams.
Nitrogen balance per day=-0.424gram.

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
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.466grams.11.31grams.
139.99211.63
147.4129.38
158.5608.4427.5grams.
167.2828.8928.5
178.3498.9913.0
69.0grams contain
6.46% N.
49.06158.64+4.45grams nitrogen.
49.061grams nitrogen.63.09grams nitrogen.
Nitrogen balance for six days=-14.029grams.
Nitrogen balance per day=-2.338gram.

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
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.126.501grams.5.94grams.22.5grams.
139.9758.4426.0
147.3887.4222.5
158.5607.8924.0
167.2827.2313.0
178.3498.1515.0
123.0grams contain
6.72% N.
48.05545.07+8.26grams nitrogen.
48.055grams nitrogen.53.33grams nitrogen.
Nitrogen balance for six days=-5.275grams.
Nitrogen balance per day=-0.879gram.

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.

COFFMAN STELTZ

Photographs taken at the close of the experiment.

NITROGEN BALANCE.—Cohn.

Nitrogen
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.793grams.6.49grams.
139.9579.1029.0grams.
147.4127.338.5
158.3208.0444.0
167.2828.5819.0
178.3497.445.5
106.0grams contain
6.48% N.
49.11346.98+6.87grams nitrogen.
49.113grams nitrogen.53.85grams nitrogen.
Nitrogen balance for six days=-4.737grams.
Nitrogen balance per day=-0.789gram.

Daily diet same as Oakman’s, except that on the 15th inst. at supper 60 grams fritters were uneaten, and on the 13th at breakfast 30 grams coffee, and at dinner 22 grams apple sauce were uneaten. Corrections made accordingly.

NITROGEN BALANCE.—Broyles.

Nitrogen
Taken in.
Output.
Nitrogen in Urine.Weight of Fæces (dry).
Jan.127.475grams.5.38grams.
139.4956.99
146.8147.47
158.0369.6735grams.
166.6957.6514
177.7625.2820
69grams contain
6.61% N.
46.27742.44+4.56grams nitrogen.
46.277grams nitrogen.47.00grams nitrogen.
Nitrogen balance for six days=-0.723gram.
Nitrogen balance per day=-0.120gram.

Daily diet same as Oakman’s, except that each day coffee was omitted from breakfast and dinner. Corrections made accordingly.