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昆明种小白鼠３６只随机分成３组，分别饮用自来水、八矿饮用水和康冷矿泉水１００ｄ和１５０ｄ后取股动脉血进行血清ＳＯＤ和ＭＤＡ水平测定。结果：１００ｄ时八矿饮用水组小鼠血清中的ＳＯＤ和ＭＤＡ含量均低于自来水组而高于康冷矿泉水组（８５６０±１５１１＞７２２２±９３０＞５４６６±１５６３Ｕ·ｍｌ－１；９２．６０±３８．０５＞８６．６７±３４．１１＞５１４４±２３．７１μｍｏｌ·ｍｌ－１），１５０ｄ时亦显示同样趋势，但经统计处理，八矿饮用水与自来水间差异无显著性，与康冷矿泉水组相比则差异有显著性（Ｐ＜００５）。提示：一定剂量范围的高放射性饮水对实验动物血清的ＳＯＤ和ＭＤＡ含量无明显影响，但强度较高时则可显著降低动物血清的ＳＯＤ和ＭＤＡ水平
36 Kunming mice were randomly divided into 3 groups, drinking tap water, drinking water 8, and Kang cold mineral water 100d and 150d after taking the femoral artery blood serum SOD and MDA levels were measured. Results: The levels of SOD and MDA in the serum of the eight-mineral drinking water group were lower than those of the tap water group and those of the KangLan mineral water group at the 100th day (8560 ± 1511> 7222 ± 930> 54 66 ± 1563U · ml-1; 92.60 ± 38.05> 86.67 ± 34.11> 5144 ± 23.71μmol · ml-1). The same trend was observed at 150 days, but after statistical processing There was no significant difference between drinking water and tap water in the No.8 Mine, which was significantly different from that in the Kangrun mineral water group (P <005). It is suggested that high dose of drinking water has no significant effect on serum SOD and MDA contents in experimental animals, but high level of radiation can significantly reduce the level of SOD and MDA in serum