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156. The composition of milk and whey, with special reference to the partition of calcium and phosphorus

Published online by Cambridge University Press:  01 June 2009

E. R. Ling
E. R. Ling
Affiliation:
Midland Agricultural College, Sutton Bonington
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Extract

1. The means and standard deviations of analytical data obtained from fifty-four samples of mixed milk (alternate a.m. and p.m.) and whey from the College herd of Dairy Shorthorns are presented in Table I. The samples were taken at intervals during the period late September 1935 to November 1936.

2. While no outstanding differences in composition are evident between morning and evening samples, the time of rennet coagulation was appreciably greater with the evening's samples. Evidence is presented to show that the longer time of cold storage of these samples must be regarded as a contributory cause of this effect.

3. In the discussion of the mean values, special treatment has been given to the partition of calcium and phosphorus between the four phases, soluble and insoluble, organic and inorganic. The caseinogen values are examined in the light of current theories.

Type
Original Articles
Information
Journal of Dairy Research , Volume 8 , Issue 2 , June 1937 , pp. 173 - 194
Copyright
Copyright © Proprietors of Journal of Dairy Research 1937

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