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对饮水氟浓度分别为０．５９ｍｇ／Ｌ、０．９０ｍｇ／Ｌ、１．５９ｍｇ／Ｌ、１．９０ｍｇ／Ｌ、３．３７ｍｇ／Ｌ的五组人群用氯胺Ｔ氧化法测血清羟脯氨酸（ＨＹＰ）；用赖氏法测血清谷丙转氨酶（ＳＧＰＴ）；用４—氨基安替比林法测血清碱性磷酸酶（ＡＫＰ）。结果：五组人群ＨＹＰ均值依次为０．０８１ｍｇ／ｍｌ、０．２１０ｍｇ／ｍｌ、０．１５８ｍｇ／ｍｌ、０．１７９ｍｇ／ｍｌ；五组人群ＡＫＰ均依次为２．２７金氏单位／ｄ１，１０．５０金氏单位／ｄ１，１２．２１金氏单位／ｄｌ，９．６９金氏单位／ｄｌ，７．５金氏单位／ｄｌ；五组人群ＳＧＰＴ均值依次为１９．６１卡门氏单位／ｄｌ、１７．３５卡门氏单位／ｄｌ、２０．２２卡门氏单位／ｄｌ、２２．７１卡门氏单位／ｄｌ、１１．２２卡门氏单位／ｄｌ。上述结果提示：五组人群ＨＹＰ均值随水氟浓度的增高而增高；当水氟浓度在１．５９ｍｇ／Ｌ以上时，ＡＫＰ活性随水氟浓度增加而随低；当水氟浓度在０．５９ｍｇ／Ｌ～３．３７ｍｇ／Ｌ范围内，暂未看出对ＳＧＰＴ的影响。
The drinking water fluoride concentrations were 0.59mg / L, 0.90mg / L, 1.59mg / L, 1.90mg / L, 3.37mg / L of the five groups with chloramine T oxidation of serum hydroxyproline Acid (HYP). Serum alanine aminotransferase (SGPT) was determined by Lai’s method. Serum alkaline phosphatase (AKP) was measured by 4-aminoantipyrine. Results: The mean of HYP in five groups were 0.081mg / ml, 0.210mg / ml, 0.158mg / ml and 0.179mg / ml respectively. The AKP of five groups were 2.27 units / d1,10 .50 Gold unit / d1, 12.21 Gold unit / dl, 9.69 Gold unit / dl, 7.5 Gold unit / dl; five groups of SGPT mean 19.61 Carmen units / dl , 17.35 Carmen unit /dl,20.22 Carmen unit /dl,22.71 Carmen unit /dl,11.22 Carmen unit / dl. The above results suggest that the mean of HYP in five groups increased with the increase of water fluoride concentration. When the water fluoride concentration was above 1.59mg / L, the AKP activity decreased with the increase of water fluoride concentration. When the water fluoride concentration was 0.59mg /L~3.37mg/L range, temporarily not seen SGPT impact.