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为了解广州市区学龄前儿童的营养状况,我们于1990年5～10月对广州市东山区、荔湾区、越秀区的4所幼儿园的全托学龄前儿童进行了营养调查。内容和方法(1)膳食调查:采用称重法,以5天为1个单位,结果采用电脑处理。(2)生化检查:包括血清总蛋白(双缩脲法);血红蛋白(毫克分子消光系数法;血清锌(原子吸收法)。尿维生素B_1(荧光法);维生素B_2(荧光法);维生索C(2,4-二硝基苯肼比色法);肌酐(苦味酸法)。
To understand the nutritional status of preschool children in Guangzhou, we conducted nutritional surveys on the preschool-aged preschool children in 4 kindergartens in Dongshan District, Liwan District and Yuexiu District from May to October in 1990. Contents and Methods (1) Dietary Survey: Weighing method was used to take 5 days as a unit and the results were processed by computer. (2) biochemical tests: including serum total protein (biuret method); hemoglobin (milligrams extinction coefficient method; serum zinc (atomic absorption method). Urine vitamin B_1 (fluorescence method); vitamin B_2 Cable C (2,4 - dinitrophenylhydrazine colorimetry); creatinine (picric acid method).