Influence of food preservatives and artificial colors on digestion and health : I. Boric acid and borax / By H.W. Wiley with the collaboration of W.D. Bigelow ... and others.

  • Harvey Washington Wiley
Date:
1904
Catalogue details

Licence: Public Domain Mark

Credit: Influence of food preservatives and artificial colors on digestion and health : I. Boric acid and borax / By H.W. Wiley with the collaboration of W.D. Bigelow ... and others. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    Amount and comx>osition of feces for the fore period of Series Y, for F. C. W., Ko. 2. Serial Date. num- ber. Weight. Total calo- Watfer. ries. Nitrogen. Phosphoric acid. Fat. Ash. Apr. 24 25 26 27 5184 5190 5196 5202a 6208b 5214 5220 5226 G-ms. 143.4 139.0 165.7 123.37 122.18 136.31 P.ct. 79.22 78.77 79.66 Gms. 313.6 109.5 132.0 P.ct. 1.05 1.10 .825 Gms. 1.510 1.580 1.370 P.ct. 1.22 1.29 1.40 Gms. 1.75 1.79 2.32 P.ct. 1.86 1.92 1.85 Gms. 2.67 2.67 3.07 P.ct. 4.41 4.57 4.39 Gms. 6.32 6.35 7.27 28 29 30 Mav 1 111.7 92.0 101.1 68.35 87.64 104.47 85.05 76.52 74.68 95.0 70.4 75.5 .692 .986 1.14 .773 .907 1.150 1.01 1.83 2.01 1.13 1.68 2.03 1.35 2.11 2.30 1.51 1.94 2.33 3.21 5.02 5.47 3.59 4.62 5. .53 a No movement. b Lost. Amount and composition of urine for the fore period of Series V, for F. C. W., No. 2. Serial num- ber. Date. Spe- Vol- cific ume. grav- ity.a Solids per liter. Total solids. Nitro- gen per liter. Total nitro- gen. P.,05 per liter. Total P2O5. Sodium chlorid per liter. Total sodium chlo- rid. 4835... 1903. Apr. 24 25 26 27 28 29 30 Mav 1 Liters. 0.840 .880 .890 .780 .800 .680 .605 .745 1.0280 1.0244 1.0234 1.0276 1.0285 1.0327 1.0329 1.0296 Grams. 68.600 59.784 57. 325 67.616 69.845 80.119 80. 611 72.522 Grams. 57. 624 52.610 51.022 52.741 55.876 54. 481 08. 770 54.029 Grams. 16.8 17.7 15.8 19.4 18.8 22.1 23.8 19.3 Grams. 14.11 15.58 14.06 15.13 15.04 15.03 14.40 14.38 Grams. Not run. 3.308 3.252 3.870 3.800 4.208 4.286 3.672 Grams. '2.9i 2.89 3.02 3.04 2.86 2.59 2.74 Grams. Not run. Grams. 4841 ....do... 4847.. ....do... 4a53... ....do... 4859... 4865... 4871... 4877... 8.650 9.707 6.521 4.681 6.920 6.601 3.945 3. 487 a Urine at 25° C. compared with water at 26° C. ESTIMATE OF WORK INVOLVED. To give an idea of the volume of work involved in this investigation the following approximate estimate is given of the number of samples analyzed and the number of record and calculation forms used, though this but inadequatel}' represents the detail of the work in all its phases, when it is remembered that upon each sample determinations were made for water, nitrogen, phosphoric acid, and calories. Number of samjiles analyzed, etc. [Number of days of observation, 196. ] Food samples 2, 550 Urine samijles 1,175 Feces samples 1,175 Microscopical examinations: Urine 125 Blood 60 Total 5,085 Number of record sheets, balances, etc. Menu sheets 3, 618 Daily charts (pulse, temperature, etc.) 1, 206 Food sheets: Amount and composition 1, 206 Calculation to fresh substance . 75 Feces sheets: Amount and composition 35 Calculation to fresh substance 65 Urine sheets 20 Balance tables 200 Total 6, 425
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