Dehydration: is discussed in a paper by Samuel C. Prescott on “Dried Vegetables for Army Use” in the American Journal of Physiology, 1919, xlix, 573–577
- Publisher
- Elsevier Science
- Year
- 1920
- Tongue
- English
- Weight
- 65 KB
- Volume
- 190
- Category
- Article
- ISSN
- 0016-0032
No coin nor oath required. For personal study only.
✦ Synopsis
Zinc and Copper, Regular Constituents of the Human Body.~
According to E. ROST (Die Umschau, 192o, xxiv,, zinc and copper occur in the human body; the amount of zinc, cab culated as millegrams of metal per kilogram of organ, was : Liver, 52 to 146; muscle, 47 to 52; brain, ii; copper was also present, but in lesser amount. Zinc enters the body with the food, and is derived directly or indirectly from the soil, or from water which has flowed through galvanized iron pipes. The zinc content of various foodstuffs (nlilligrams of zinc per kilogram of food) was: ]'eef, veal, pork, nmtton, and horse meat, 26 to 5o; beef liver as high as 83; horse liver its high as 339; sea tish, 4; hens' eggs, 9.8 (equal to o.5 milligram zinc per egg); bread, 5 to 8; potatoes, 2.3; dried vegetables. 6.13 . The amount of zinc present in each litre of milk was: (;ows' milk, ,3.9; goats' milk, 2.3; human milk, t. 3. Swiss cheese, beet sugar, and beer did not contain zinc. Copl)er was ,on long-continued feeding. j. s. H.