家庭提供免费产品需要密集干预,以增加水果和蔬菜的摄入量,减少餐盘垃圾:一个随机试验
Brian E Roe1, Hanim E Diktas2, Danyi Qi3
1Dept. of Agricultural, Environmental & Development Economics, Ohio State University, Columbus, OH 43210.
The Journal of nutrition
|February 13, 2026
概括
免费提供水果和蔬菜 (FV) 没有干预,增加了FV浪费,而不是摄入量. 将免费的FV与指导相结合,对于改善FV消费和减少食物浪费至关重要.
科学领域:
- 营养科学 营养科学
- 减少食物浪费 减少食物浪费
- 公共卫生干预措施 公共卫生干预措施
背景情况:
- 政策旨在促进水果和蔬菜 (FV) 消费,减少食物浪费.
- 关于补贴食品消费是否无意中增加食品浪费的研究有限.
研究的目的:
- 评估免费FV提供和智能指导干预对FV摄入量,废物和库存的影响.
- 评估干预措施是否可以减少食物浪费,并鼓励FV替代营养较低的食物.
主要方法:
- 随机对照试验与路易斯安那州巴顿鲁日的46个家庭.
- 参与者测量了FV摄入量和废物在干预前和后3天或更长时间.
- 两个组:密集干预 (减少废物,FV替代) 和控制,两者都获得免费的FV.
主要成果:
- 对照组:免费的FV增加了库存和浪费事件,但没有摄入量;总热量摄入量下降.
- 治疗组:与对照组相比,增加了FV摄入量和冷的FV库存.
- 在饮食质量 (HEI),总热量摄入量,总FV库存或盘子废物方面,两组之间没有显著差异.
结论:
- 仅仅免费提供FV并不会增加FV摄入量,而且会加剧FV浪费.
- 与免费光伏相结合的干预措施对于改善光伏消费至关重要.
- 为了大幅减少光伏废物,需要采取更为密集的干预策略.
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