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《Laboratory Animal Science》 2007-04
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Effect of Dietary Calcium,Phosphorus and Calcium∶Phosphorus Ratio on The Contents of The Microelements in Rats' Hepatic Tissue

AN Xing-lan,FU Qiang,ZHAO Shuang,WANG Zhi-hong,LIU Yuan~*(Laboratory Animal Center of Academy of Military Medical Sciences,Beijing 100071,China)  
Objective To observe the effect of dietary calcium,phosphorus and calcium∶phosphorus ratio on the contents of the microelements in rats' hepatic tissue.Methods 70 male Wistar rats aged 30 d were divided into 7 groups randomly according to their body weigh,10 for each group was considered as one batch for test.Rats in 7 groups were raised on diets with different dietary calcium and phosphorus in 42 d.Results In the same dietary phosphorus which had different calcium∶phosphorus ratio,the contents of Cu and Mn in hepatic tissue had no significant deviation(P0.05),the content of Fe significantly decreased with the elevating of dietary calcium(P0.05),and the contents of Zn and Mg had significant deviation between the groups of low calcium and high calcium(P0.05).In the same dietary phosphorus which had different calcium∶phosphorus ratio,the content of Cu in the group of low dietary phosphorus was significant higher than the other groups(P0.05),and the contents of Fe and Mn had significant deviation(P0.05).In the same dietary calcium∶phosphorus ratio,the contents of Fe,Mn and Mg in the group of high dietary calcium and phosphorus was significant lower than the other groups(P0.05).Conclusion In rats' hepatic tissue,dietary caclcium had effect on the contents of Fe,Zn and Mg,but had no effect on the contents of Cu and Mn;dietary phosphorus had effect on the contents of Cu,Fe and Mn,but had no effect on the contents of Zn and Mg.
【CateGory Index】: R151
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Chinese Journal Full-text Database 1 Hits
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