幼若期ラットのミネラル出納に及ぼす飼料中脂肪量の影響

概要

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The purpose of the present study was to investigate the effect of dietary fat levels on calcium, phoshorus and magnesium balance in rats. Young female Fischer 344 rats were fed the AIN-76 diets modified to contain 20% (normal) milk casein. Each of casein diets were given to three level of soybean oil of 5% (normal), 10% (high) and 20% (excess) diets. The calcium, phosphorus and magnesium intake were decreased significantly by the increase of the dietary fat level from 5% and 10% to 20%. The calcium, phosphorus and magnesium absorption were increased significantly by the increase of the dietary fat level from 10% to 20%. The increase of the dietary fat level from 5% and 10% to 20% incresed significantly urinary calcium excretion. However, the calcium and phosphorus retention were increased by increasing the dietary fat level from 10% to 20%. The contents of calcium, phosphorus and magnesium in kidney were significantly increased as the dietary fat levels were increased. These results suggested that calcium balance in rats was especially affected by dietary fat levels.
東京聖栄大学の論文
1996-12-20