An experimental inquiry regarding the nutritive value of alcohol / by W.O. Atwater and F.G. Benedict.

  • Atwater, W. O. (Wilbur Olin), 1844-1907.
Date:
1902
Catalogue details

Licence: Public Domain Mark

Credit: An experimental inquiry regarding the nutritive value of alcohol / by W.O. Atwater and F.G. Benedict. 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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    The preliminaiy dige.stion experiiuent began with breakfast March 12, 1900, and continued i daj'is. The diet during- thi.s period consisted of the basal ration supplemented bj^ cane sugar, as in experiment No. 29. The subject entei'ed the respiration chamber on the evening of March 16, and experiment No. 29 began at 7 a. m. March 16, and continued 3 days. During this expei'iment the diet consisted of the basal ration supplemented by 128 grams of cane sugar furnishing 507 calories of energy per da,y, as in the preliminary digestion period; the whole diet furnishing daily 100 grams of pi'otein and 3,4:87 calories of energy. The daily amount of sugar in the form of rock candj' was supplied to the subject each morning at breakfast, and he ate it at intervals during the day accoi'ding to his taste. Experiment No. 30 began at 7 a. m. March 19, immediately at the close of experiment 29. The diet in this experiment consi.sted of the basal ration supplemented by 79.5 grams of com- mercial alcohol containing 90.6 per cent or 72 grams of pure ethj'l alcohol in place of the sugar of experiment No. 29. The alcohol supplied 509 calories of energy, and the whole ration in this experiment furnished 99 grams of protein and 3,458 calories of energj^ per day. The commer- cial alcohol used in this experiment was added each day to 795.5 grams of water sweetened with 25 grams of sugar from the basal ration. The total mixture, 900 grams, was divided into 6 portions which were taken with meals and between meals, as in other alcohol experiments. Experiment No. 31 began at 7 a. m. on the morning of March 22, and continued 3 days. The diet in this experiment consisted of the basal ration supplemented by 63.5 grams of butter in place of the alcohol in the previous experiment. The butter furnished nearly 1 gram of protein and 511 calories of energy, so that the whole ration furnished 101 grams of protein and 3,-495 calories of energy per day. The butter was consumed at meals with the rest of the diet. The following table summarizes the results of these 3 experiments. Detailed data of experi- ment No. 30 will be found in the Appendix, pages 354 to 366, and those of experiments Nos. 29 and 31 will be found in Bulletin 109 of the Office of Experiment Stations. Table 6.—Summary of results of metabolism eivperiments Nos. 39, 31, and 30. [Quantities per day.] Protein. Fat. Carbohy- drates. Alcohol. Nitrogen. Carbon. Energy. E.cperimeiil Xo. 29. In total I'oofl Grams. 100.1 94.8 99.8 Grams. 106.0 103.0 126.8 Grams. ' Grams. 470.7 : 464.fi Grams. 16.0 15.2 16.0 Grams. 333.6 314.1 334.9 Calories. 3,487 3,260 (464.6) 3,515 Heat measured 3,589 -5.0 100. 9 95.8 98.1 -23. 8 160.8 158.1 174.0 -0.8 16.1 15.3 15.6 -20.8 321.5 302.5 315.8 —255 Experiment No. 31. Tn tntal fnnfl 342.7 336. 7 (336. 7) 3,495 3,275 3,439 Heat nieasuieil 3,420 Gain (-h) or loss ( —) to body Aeeraije .:H and 31. In total food -2.3 100.5 95.3 99.0 -15.9 1.33.4 130.6 1.50. 5 -0.3 16.0 15.2 15.8 —13.3 ,327. 6 308.3 325.4 -164 406.7 400.7 3,491 3,268 Actually inetaVK)lized (400.7)' 3,477 3,505 Gain (-f) or loss (— ) to body -3.7 99.2 94.9 108.0 -19.9 104.2 102.1 119.1 -0.-6 15.9 15.2 17.3 -17.1 315.5 296.6 316.5 —209 E.rperriaeiil No. 30. In total food 340. 9 72. 0 3,458 In availaV>le food 336. 2 (336.2) 71.2 3,242 Actually metabolized 3,479 3,470