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选择云南楚雄克山病病区６～１０岁儿童作为观察对象，分为四组；服硒蛋组，服普通鸡蛋组．服亚硒酸钠药片组及对照组，连续３年动态观察将胱甘肽过氧化物酶（ＧＳＨ－ＰＸ）的活性，结果表明：服硒蛋组全血ＧＳＨ－ＰＸ活性显著增高，显著高于其它各组，服硒片组ＧＳＨ－ＰＸ的活性也增高，与服普通鸡蛋组、对照组比有差异，但不如服硒蛋组明显。结果提示：病区长期服硒蛋和硒片都能提高全血ＧＳＨ－Ｐｘ的活性，但服硒蛋比单纯服硒片效果更好。
Select Chuxhan Keshan disease in Yunnan Province 6 to 10-year-old children as the observation object, divided into four groups; served selenium group, served ordinary egg group. Serum sodium selenite tablet group and control group, for three consecutive years of dynamic observation of the activity of glutathione peroxidase (GSH-PX), the results showed that: Serum selenium egg group GSH-PX activity was significantly higher, significantly higher In other groups, the activity of GSH-PX in clothes selenium group also increased, which was different from that in normal egg group and control group, but not as obvious as serving selenium egg group. The results suggest that long-term use of selenium eggs and selenium tablets can increase the activity of GSH-Px in whole blood, but taking selenium eggs is better than selenium alone.