广州市大学生膳食中硼摄入量评估  

Assessment of dietary boron intake of university students from Guangzhou

作　　者：张晓敏[1] 高永清[1] 叶蔚云[1] 严学成[1] 区子阳[1] 李凯文[1] 李剑锋[1] 

机构地区：[1]广东药学院公共卫生学院,广州510310

出　　处：《中国学校卫生》2013年第12期1426-1429,共4页Chinese Journal of School Health

基　　金：广东省大学生创新实验项目(1057310006);广东省科技计划项目(粤科函社字[2010]1096号)

摘　　要：目的评估广州市大学生膳食硼的日均摄入量及其安全性,为加强膳食指导和健康教育提供依据。方法随机分层整群抽取广州市4所高校521名学生,通过膳食调查获得大学生膳食中各类食物的消费量,采用姜黄素分光光度法检测各类食物中的硼含量,由此计算广州市大学生膳食中硼的日均摄入量。结果广州市大学生膳食硼每日摄入量均值、中位数、P90、极端P90和P97.5分别为1.90,0.98,4.10,8.04和8.08 mg;男、女生每天膳食硼摄入量均值差异无统计学意义(t=0.270,P=0.604)。大学生膳食中硼的主要食物来源为新鲜蔬菜、乳类及其制品、干豆类、大米及其制品,分别占21.58%,12.63%,12.63%和10.00%。结论广州市大学生硼的摄入量在WHO推荐的安全范围之内,但大量摄入违法添加硼的食物可能存在危害,需加强宣教与食品安全管理。Objective To assess the daily dietary boron intake and its safety among university students in Guangzhou and to provide evidence for dietary guidance and health education. Methods A total of 521 students from 4 universities in Guangzhou were obtained by stratified random sampling method and their dietary consumption was surveyed. The boron concentration in foods was determined by scurcumin spectrophotometric method and dietary boron intake was estimated. Results Average, median, the 90 percentiles （Pg0） , extreme P90 and P97.5 daily dietary boron intakes of students were： 1.90 rag, 0.98 rag, 4.10 rag, 8.04 mg and 8.08 rag, respectively. There was no significant difference between gender （t=0. 270,P=0. 604）. The main sources of boron were from fresh vegetables, fruit, beans and rice, accounting for 21.58% , 12.63% , 12.63% and 10.00% respectively. Conclu- sion The dietary boron intake among university students in Guangzhou were within a safe range which the WHO recommends, but it will increase the risk if people eat too much food contained with illegal boron. Improving food safety is necessary to increase food security.

关 键 词：饮食习惯 膳食调查 硼 学生 

分 类 号：R151.3[医药卫生—营养与食品卫生学] R195[医药卫生—公共卫生与预防医学]