This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 Excerpt: ...will compel the inclusion of some of the more vaguely defined and unknown members of the groups spoken of as extractives, lipoids, etc., in this category. Every attempt made by us to approach the solution of the problem of inorganic salts in the dietary has brought fresh surprises. When ForsterJ fed dogs and pigeons on ...
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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 Excerpt: ...will compel the inclusion of some of the more vaguely defined and unknown members of the groups spoken of as extractives, lipoids, etc., in this category. Every attempt made by us to approach the solution of the problem of inorganic salts in the dietary has brought fresh surprises. When ForsterJ fed dogs and pigeons on salt-free foods he made the interesting observation that the animals speedily died--more rapidly even than when all food was withheld. He concluded: Der im Uebrigen in Stickstoffgleichgewicht sich befindende thierische Organismus bedarf zu seiner Erhaltung der Zufulir gewissen Salze; siiikt die Zufuhr unter einer gewisse Grenze oder wird sie ganzlich aufgehoben, so gibt der Korper Salze ab und geht daran zu Grunde. The classic experiments of Lunin on mice led to a somewhat different interpretation of the need of salts. He showed that the animals survived longer on a diet containing an addition of sodium carbonate to the ash-free food than when sodium chloride was added. In the latter case the duration of life corresponded approximately with that observed on a salt-free dietary. From these facts it was argued that the foremost value of the sodium lies in its capacity to neutralize the acids (sulphuric, phosphoric) formed in the metabolism M. S. Fine: Dissertation, Yale University, 1911 (unpublished). Cf. Mendel and Fine: Journal of Biological Chemistry, 1911, vols, x and xr. tCf. Lothrop: American Journal of Physiology, 1909, xxiv, p. 297. JForster: Zeitschrift fur Biologie, 1873, ix, pp. 297-380. Lunin: Zeitschrift fur physiologische Chemie, 1881, v, p. 31. of proteins. Sodium chloride obviously has no potential neutralizing power. If the usefulness of the salts were associated solely with their specific character as salts, the sa...
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