某企业有工作人员16名(男女各一半,年龄30~50岁,轻等体力活动),另设食堂用餐。请按要求采用下列的存余食物,编制一日食谱一份。存余食物:面粉、大米、豆腐干、鸡蛋、菠菜、胡萝卜、虾仁、瘦猪肉、食油、食盐、味精。
计算出食物的能量和营养素(蛋白质、脂肪、碳水化合物、钙、铁、VitA、VitB1、VitB2、VitC)
正确答案及解析
正确答案
解析
1.能量:平均每人需要量标准=(2400+2100)/2=2250kcal
实际摄入能量=300g/100g×346+100g/100g×344+50g/100g×140+75g/100g×144×0.88+300g/100g×24×0.89+100g/100g×43×0.97+50g/100g×87+50g/100g×143+30g/100g×899
=1038+344+70+95+64+42+44+72+270=2039kcal
2.蛋白质:平均每人需要量标准:(75+65)/2=70g
实际摄入量=300g/100g×7.4+100g/100g×11.2+50g/100g×16.2+75g/100g×13.3×0.88+300g/100g×2.6×0.89+100g/100g×1.4×0.97+50g/100g×16.4+50g/100g×20.3+30g/100g×0
=22.2+11.2+8.1+8.8+6.9+1.4+8.2+10=76.8g
3.脂肪:平均每人需要量标准:2250kcal×20%=450kcal
450kcal/9=50g
实际摄入量=300g/100g×0.8+100g/100g×1.5+50g/100g×3.6+75g/100g×8.8×0.88+300g/100g×0.3×0.89+100g/100g×0.2×0.97+50g/100g×2.4+50g/100g×6.2+30g/100g×99.9
=2.4+1.5+1.8+5.8+0.8+0.2+1.3+3.1+30
=46.9g
4.钙:平均每人需要量标准:800mg
实际摄入量
=300g/100g×13+100g/100g×31+50g/100g×308+75g/100g×56×0.88+300g/100g×66×0.89+100g/100g×32×0.97+50g/100g×6+50g/100g×13+30g/100g×0
=39+31+104+37+176+31+3+6.5=427.5mg
5.铁:平均每人需要量标准:(15+20)/2=17.5mg
实际摄入量
=300g/100g×2.3+100g/100g×3.5+50g/100g×4.9+75g/100g×2×0.88+300g/100g×2.9×0.89+100g/100g×0.5×0.97+50g/100g×3+50g/100g×2+30g/100g×0
=6.9+3.5+2.45+1.32+7.74+0.49+1.5+1=24.9mg
6.维生素A:平均每人需要量标准:(800+700)/2=750ugRE
实际摄入量
=300g/100g×0+100g/100g×0+50g/100g×0+75g/100g×234×0.88+300g/100g×487×0.89+100g/100g×668×0.97+50g/100g×44+50g/100g×0+30g/100g×0
=154.4+1300.3+648+22=2124.7ugRE
7.维生素B1:平均每人需要量标准:(1.4+1.3)/2=1.35mg
实际摄入量=300g/100g×0.11+100g/100g×0.28+50g/100g×0.03+75g/100g×0.11×0.88+300g/100g×0.04×0.89+100g/100g×0.04×0.97+50g/100g×0.54+50g/100g×0+30g/100g×0=0.33+0.28+0.015+0.07+0.11+0.04+0.27=1.12mg
8.维生素B2:平均每人需要量标准:(1.4+1.2)/2=1.3mg
实际摄入量=300g/100g×0.05+100g/100g×0.08+50g/100g×0.07+75g/100g×0.27×0.88+300g/100g×0.11×0.89+100g/100g×0.04×0.97+50g/100g×0.1+50g/100g×0+30g/100g×0=0.15+0.08+0.035+0.18+0.29+0.04+0.05=0.825mg
9.维生素C:平均每人需要量标准:100mg
实际摄入量=300g/100g×0+100g/100g×0+50g/100g×0+75g/100g×0×0.88+300g/100g×32×0.89+100g/100g×16×0.97+50g/100g×0+50g/100g×0+30g/100g×0
=85.4+15.5=100.9mg