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平衡膳食宝塔

平衡膳食宝塔. 中小学生各类食品每人每日参考摄入量 单位:克 年龄 粮谷类 豆制品 鱼肉禽 蛋 蔬菜 植物油 糖 盐 7 岁 — 350 50 100 50 300 10-15 15 4 10 岁 — 400 100 100 50 400 10-15 15 5 12 岁 — 450 100 100 75 500 10-15 15 5

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平衡膳食宝塔

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  1. 平衡膳食宝塔

  2. 中小学生各类食品每人每日参考摄入量 单位:克 年龄 粮谷类 豆制品 鱼肉禽 蛋 蔬菜 植物油 糖 盐 7岁— 350 50 100 50 300 10-15 15 4 10岁— 400 100 100 50 400 10-15 15 5 12岁— 450 100 100 75 500 10-15 15 5 15-16岁 500 150 100 100 500 10-15 15 6 成人 500 150 150 100 750 10-15 15 10 注:①此推荐量为周平均计算;②根据个体需要适当增减。

  3. 怎样购买安全食品?

  4. 如何预防食物中毒?

  5. 怎样防止食品污染?

  6. 食品污染从哪里来 一、是工业废弃物污染农田、水源和大气,导致有害物质在农产品中聚积; 二、是随着农业产品使用量的增加,一些有害的化学物质残留在农产品中; 三、是食品生产、加工过程中,一些化学色素、化学添加剂的不适当使用,使食品中有害物质增加; 四、是贮存、加工不当导致的微生物污染。

  7. 能用发霉、变质的残羹剩饭或饲料喂养家禽家畜吗?为什么?能用发霉、变质的残羹剩饭或饲料喂养家禽家畜吗?为什么? • 2. 有人说有“虫眼”的蔬菜水果,农药含量少,可放心购买。请你作出科学评价。

  8. 了解绿色食品 www.lntv.com.cn/lntv/dxzt/sjhjr/index.htm

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