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锌参与体内多种酶代谢,维护人体各种功能正常活动,如果长期低锌、酶活性降低,即出现人体代谢障碍,表现出多种临床症状。我们1994年1～7月份对在来我科就诊的73例有低锌症状,如偏食、厌食、地图舌、生长发育落后的2～5岁幼儿,在排除有关疾病之后进行了发微量元素测定,同时与192例健康集体儿童进行了对照分析。我们采用γ原子吸收光谱测定仪,取后枕部离头皮4cm之内的头发0.5g,专人操作,测定发Zn、Fe、Cu、Ca4种微量元素,本文只分析了3种,诊断标准是采用北京地区发锌16.83±1.53μmol/L为标准。结果表明,除2岁组的孩子观察组和对照组发Zn均值无显著性差异外(可能由于2岁以内的孩子咀嚼功能不完
Zinc participates in a variety of enzyme metabolism in the body, maintaining the normal activities of various human body functions, if the long-term low zinc, enzyme activity decreased, that is, human metabolic disorders, showing a variety of clinical symptoms. From January to July 1994, 73 children aged 2 to 5 years with low-zinc symptoms, such as partial eclipse, anorexia, map tongue, and poor growth and development, who were present in our department were examined for trace elements after excluding the related diseases , At the same time with 192 healthy group children were analyzed. We use γ atomic absorption spectrometer, take the occipital head within 4cm from the scalp hair 0.5g, hand operation, the determination of hair Zn, Fe, Cu, Ca hair four kinds of trace elements, this paper only analyzed three kinds of diagnostic criteria is the use of Beijing hair zinc 16.83 ± 1.53μmol / L as the standard. The results showed that in addition to the 2-year-old child observation group and control group issued Zn mean no significant difference (probably due to children under 2 years of masticatory function is not complete