高海拔地区驻营区及野外驻训士兵头发矿物元素含量分析

发布时间：2019-03-13 17:24

【摘要】：目的研究分析常驻高海拔地区士兵在驻营区及野外驻训期间其头发中矿物元素含量的变化。方法采用称量法调查海拔4600m、4030m、3800m高原驻营区士兵膳食中Zn、Fe、Cu、Ca、Mg和Mn等元素的摄入量,并根据《军人营养素供给量》和《中国居民膳食营养参考摄入量》进行评价。采用火焰原子吸收光谱法检测上述驻营区士兵以及海拔4300m野外驻训士兵头发中Zn、Fe、Cu、Ca、Mg、Mn和Cr的含量。结果高原驻营区部队士兵膳食Fe、Cu、Mg和Mn的摄入量充足,分别达到标准的103.7%、275.0%、81.1%和162.2%,而膳食Ca和Zn的摄入量不足,仅为军标的69.5%和77.8%。不同海拔驻营区士兵头发中Zn、Fe、Cu、Ca、Mg、Mn和Cr的含量差异无统计学意义。驻营区士兵头发中Fe和Zn的含量为边缘缺乏,Cu、Ca、Mg、Mn和Cr 5个元素的含量为充足。野外驻训士兵头发中Fe和Zn的含量为边缘缺乏,Mg的含量为中度缺乏,Cu、Ca、Mn和Cr 4个元素的含量为充足;野外驻训士兵头发中Mg的含量明显低于驻营区士兵(P0.001)。结论长期处于高原低氧环境下,机体对Zn和Fe的需要量增加,而膳食Zn和Fe的摄入量还不能满足机体需求。野外驻训士兵Mg缺乏,应增加蔬菜摄入,必要时服用营养补充剂。
[Abstract]:Objective to study the changes of mineral elements in hair of soldiers stationed at high altitude during camp and field training. Methods the dietary intake of Zn,Fe,Cu,Ca,Mg and Mn in soldiers at altitude of 4600m, 4030m and 3800m were measured by weighing method. And according to "military nutrient supply" and "Chinese residents dietary nutrition reference intake" were evaluated. The contents of Zn,Fe,Cu,Ca,Mg,Mn and Cr in the hair of soldiers in camp area and field training at 4300 m above sea level were determined by flame atomic absorption spectrometry (Faas). Results the dietary intake of Fe,Cu,Mg and Mn was adequate, which reached the standard of 103.7%, 275.0%, 81.1% and 162.2%, respectively. However, the intake of Ca and Zn was insufficient. Only 69.5% and 77.8% of the military standard. There was no significant difference in the contents of Zn,Fe,Cu,Ca,Mg,Mn and Cr in the hair of soldiers at different altitude. The contents of Fe and Zn in the hair of the soldiers in the barracks were marginal deficiency, and the contents of Cu,Ca,Mg,Mn and Cr were abundant. The contents of Fe and Zn in the hair of soldiers in field training were marginal deficiency, the content of Mg was moderate deficiency, and the contents of Cu,Ca,Mn and Cr were abundant, while the content of Mg in the hair of soldiers in field training was significantly lower than that in soldiers stationed in camp area (P0.001). Conclusion under the condition of high altitude hypoxia for a long time, the demand for Zn and Fe increased, but the intake of dietary Zn and Fe could not meet the needs of the body. Field training soldiers lack of Mg, should increase the intake of vegetables, if necessary, take nutritional supplements.
【作者单位】：第三军医大学高原军事医学系高原特需药品与卫生装备研究室;第三军医大学卫勤训练基地卫勤教研室;第三军医大学高原卫生学教研室;
【基金】：国家重点基础研究发展规划973项目(2012CB518201) 国家自然科学基金(J1310001) 军队重大项目(AWS14C007)~~
【分类号】：R82

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