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KMID : 0377619720220010033
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Korean Jungang Medical Journal
1972 Volume.22 No. 1 p.33 ~ p.39
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The Influence on the Contents of Ca and P in the Bone, Serum, Hb and Ht by Alternating Feeding of the Low and High Protein
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Abstract
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This study was designed to investigate the effect of alternating feeding of the low and high protein diet on the level of Ca and P in the bone and serum and Hb and Ht value in the blood. The subjects were 108 male albino rats being just weaned. They were divided into 18 groups by diets feeding terms and alternating feeding patterns: groups fed with the standard, low and high protein diet, respectively for 1, 2, 3 and 6 months(SD1, SD2, SD3,´SD6, LP1, LP2, LP3, LP6, HP1, HP2, HP3, HP6), groups fed with the high protein diet for 1 or 2 months, after fed with the low protein diet for 2 or 1 month (HP1LP2, HP2, LP1), group fed with the high protein diet for 1 month, after fed with the low protein diet for 1 month (LP1HP1), and group fed with the low protein: diet for 1 month, after fed with the high protein for 1 month(HP1LP1).
After each group was fed with the corresponding diet for the establishing period, Ca and P in the bone and serum, and Hb and Ht value in the blood were determined.
The results obtained are summarized as follow:
1. The contents of Ca and P in the bone of the high protein diet group at the growing stage,are higher and P contents in LP1HP1 group are less, than those in the standard group.
2. The contents of Ca in the serum of the high protein diet group at the early stage of growth, show higher level than that in the low protein diet group, and the P contents in the high protein diet group show higher level than that in the standard diet group.
3. The value of Hb and Ht in the blood are less in the low protein diet group and LP1HP1
group, in the early stage of growth, for that in the standard diet group.
The above results show that the contents Ca and P in the bone and serum, and Hb and lit in the blood are remarkably effected by the dietary protein in the early stage of growth, but less effects in the later stage of growth.
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KEYWORD
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