儿童餐盘垃圾在学校的营养,环境和经济影响:两项意大利案例研究的比较
Beatrice Biasini1, Michele Donati2, Alice Rosi1
1Department of Food and Drug, University of Parma, Parma, Italy.
Public health nutrition
|February 16, 2024
概括
学校的孩子们 学生
科学领域:
- 营养科学 营养科学
- 环境科学 环境科学
- 食品服务管理管理.
背景情况:
- 学生的餐盘废物带来了重要的营养,经济和环境挑战.
- 了解意大利小学食品浪费的规模和影响对于制定有效干预措施至关重要.
研究的目的:
- 为了比较两个意大利案例研究中的板块废物,评估营养损失,经济成本和碳足迹.
- 评估餐盘废弃物对学校餐的营养充足性的影响.
主要方法:
- 在39天的时间里,采用集成选择性权重方法收集了板块废物.
- 四所小学的1-5年级的孩子们参加了这项研究 (每个案例研究有两个:帕尔马和卢卡).
主要成果:
- 帕尔马的板材废弃物百分比明显低于卢卡 (P < 0.001).
- 水果和配菜是浪费最多的物品,特别是在卢卡 (>50%).
- 板块废弃物的能量损失为26% (帕尔马) 和36% (卢卡),饮食纤维,叶酸,维生素C,和的损失很大.
- 盘子废弃物对食品的碳足迹贡献了19% (帕尔马) 和28% (卢卡).
- 盘子废物的成本为1.8欧元/公斤 (帕尔马) 和2.7欧元/公斤 (卢卡),分别占餐费的4%和10%.
结论:
- 学校餐饮服务需要重新规划,以提高效率和减少食物浪费.
- 解决餐盘废弃物对于减轻营养缺陷,经济损失和学校餐饮对环境的影响至关重要.
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