创建和验证一组NOVA得分图片来评估超加工食品
Zach Hutelin1, Monica Ahrens2, Mary Elizabeth Baugh3
1Graduate Program in Translational Biology, Medicine, and Health, Virginia Tech, Blacksburg, VA, United States; Fralin Biomedical Research Institute, Virginia Tech, Roanoke, VA, United States.
Appetite
|April 15, 2024
概括
超加工食品 (UPF) 与严重的健康风险有关,并主导着美国的饮食. 本研究引入了一种经过验证的工具,用于评估UPF与最小加工食品 (MPF) 的吸引力.
科学领域:
- 营养科学 营养科学
- 行为经济学是一种行为经济学.
- 食品科学 食品科学 食品科学
背景情况:
- 现代的食品环境显示出全球趋势,即增加食品加工.
- 超加工食品 (UPF) 与严重的健康问题有关,包括心血管疾病,中风和癌症.
- 在美国,UPF占每日热量摄入量的很大一部分 (58%).
研究的目的:
- 开发和验证一套标准化的视觉刺激,用于评估超加工食品 (UPF) 和微加工食品 (MPF) 的增强性.
- 促进对UPF消费背后的心理和神经机制的研究.
- 为研究人员研究食品加工对健康结果的影响提供资源.
主要方法:
- 开发一个匹配的图像集,14个UPF和14个MPF,对视觉和营养特征进行控制.
- 使用了贝克尔-德格鲁特-马尔沙克 (BDM) 拍卖范式,这是一个经过验证的评估主观价值的方法,适用于食物刺激.
- 使用NOVA分类系统评分食品,包括营养专业人员的数据和评审者之间的可靠性评估.
主要成果:
- 创建并验证了UPF和MPF的综合图像集,在关键属性上匹配.
- 该研究提供了关于NOVA分类得分和评分机构间可靠性的数据,对该系统进行了批评.
- 所有创建的刺激,数据和代码都可供公众研究使用.
结论:
- 开发的图片集和方法为研究人员研究食品加工对食品估值和消费的影响提供了有价值的工具.
- 该资源可以帮助理解UPF的增强性质及其对不良健康结果的贡献.
- 该研究强调,需要强大的方法来调查现代食品环境对公共健康的影响.
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