Bulletin Volume 84, PT. 1

Bulletin Volume 84, PT. 1

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...absorbed. There is a tendency also in the after period to return to the conditions prevailing during the fore period, as seen in the fact that the percentage of phosphoric acid absorbed is a little less during the after period than it is during the preservative period, but still somewhat greater than during the fore period. The effect of the preservative on the fat is seen in the summary of the data, showing that 5.1 per cent of all the fat in the food appears in the feces during the fore period, 4.2 per cent during the preservative period, and 3.7 per cent during the after period. The tendency in this case is the same as regards the phosphoric acid, namely, to increase slightly the absorption of the fat during the preservative period. In regard to the calories it is seen that there is little difference between the fore period and the preservative period in the percentage of calories in the food eliminated in the feces. During the after period, however, there is a tendency to increase the absorption of calories, only 4.1 per cent of the total amount in the food appearing in the feces in the after period, as against 4.2 per cent during the preservative period and 4.2 per cent during the fore period. The summary shows a slightly deranging effect upon the appetite during the preservative period, as indicated by the smaller quantities of food consumed. Of course an effort has been made to have practically the same quantities of food consumed during all periods, but it is found impracticable to control absolutely the influence of the appetite, and occasionally when the appetite fails a portion of the food is weighed back and deducted from the portion issued. It is deemed better to introduce this disturbance into the data than to risk the more...show more

Product details

  • Paperback | 96 pages
  • 189 x 246 x 5mm | 186g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236796772
  • 9781236796776