【摘要】 [目的]了解青岛市中小学生专业配送午餐的营养质量,为加强学生营养监测工作提供依据。[方法]2007年5月,在青岛市城区7家学生配餐公司1周内提供的盒装午餐中抽取74份,称重后,折算成生食重量,再计算能量、各种营养素量,按照《学生营养午餐营养供给量》进行评价。[结果]中、小学生午餐能量平均值分别为4.42MJ和3.83MJ,蛋白质平均值分别为39.76g和33.52g,脂肪平均值分别为35.81g和35.02g,碳水化合物平均值分别为143.59g和116.77g。能量、蛋白质、脂肪、维生素C、铁摄入量均超过标准规定;视黄醇当量、维生素B1、维生素B2和钙、锌摄入量尚未达到标准要求。[结论]青岛市学生午餐配餐公司供应的午餐营养质量尚未达到《学生营养午餐营养供给量》标准。更多还原

【Abstract】 [Objective]To understand the nutritional quality of lunch from commercial suppliers for the students of urban primary and middle schools in Qingdao,provide scientific basis for supervision of school diets.[Methods]74 food samples were collected from 7 commercial food suppliers in a week in May 2007.After weighting,the row food weight was calculated.Then the energy,nutritional composition were calculated and analyzed based on "Standard of Nutritional Lunch for Students’.[Results]The average energy of a lunch was 3.83 MJ and 4.42 MJ.Average contents of protein,fat and carbohydrates were 33.52 g and 39.76 g,35.02g and 35.81g,116.77 g and 143.59 g respectively.The intake of energy,protein,fat,vitamin C and iron was over its recommended value.The intake of retinol-equivalent,vitamin B1,vitamin B2,calcium and zinc was under the standard.[Conclusion]The nutritional quality of lunch supplied by commercial lunch suppliers was not up to standard based on " standard of nutritional lunch for students".更多还原