The Practitioner Volume 75

The Practitioner Volume 75

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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. 1905 edition. Excerpt: ...of fact, in nearly all cases as the food is used, the fat is deficient, often extremely deficient, and the carbohydrate is considerably in excess. There is yet another point, which must be remembered in comparing these manufactured products with human milk, or fresh cow's milk, namely, that a statement of percentage composition, although it affords some guidance, gives but an incomplete, and sometimes misleading, description of a food. For instance, two foods may contain a precisely similar percentage of fat and yet differ in their fat-value. Compare a dried milk food with a dilution of fresh cow's milk containing the same percentage of fat: in the latter, the emulsion of fat is extremely fine and the fat is easily assimilable, in the former, the emulsion is so imperfect that, even before the infant has time to finish his feed, the fat has risen in yellow droplets floating on the surface, a fault which, in some cases, seems to interfere considerably with the assimilation of the fat, part of which indeed is apt to remain coating the sides of the bottle. On the other hand, compare a dried milk food with a dilution of fresh cow's milk in which the percentage of proteid is the same; the proteid in the former produces so little curd, that an infant may assimilate it easily, when he is unable to digest the curd of the fresh cow's milk. Percentage composition tells us nothing of the subtler changes, whatever they may be, by which the nutritive value of a food is so impaired in the process of manufacture that, if continued for some months, it is liable to set up all those serious symptoms which constitute scurvy, and which sometimes end in death. And let it be remembered that a small amount of fresh cow's milk mixed with a patent food, does not...
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Product details

  • Paperback | 332 pages
  • 189 x 246 x 18mm | 594g
  • United States
  • English
  • black & white illustrations
  • 1236912888
  • 9781236912886