多样性和份量大小相结合,增加了单道菜和多道菜食的食物摄入量
Paige M Cunningham1, Liane S Roe1, Kathleen L Keller2
1Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA, USA.
Appetite
|October 16, 2023
概括
增加食物的多样性和更大的部分大小都会独立地增加食物摄入量,而不管餐的结构如何. 这些因素有助于过度消费,延迟了特定感官的和感,导致整体消费增加.
科学领域:
- 行为营养 行为营养
- 食品科学 食品科学 食品科学
- 吃饭的心理学 吃饭的心理学
背景情况:
- 食物摄入量受到品种和份量大小的影响,但它们的综合作用和与食结构的相互作用尚未完全理解.
- 了解这些因素对于解决过度消费和促进更健康的饮食习惯至关重要.
研究的目的:
- 研究食物品种和份量大小如何相互作用以影响食物摄入.
- 检查食结构在这些影响中的作用 (同时或顺序).
- 评估品种和份量大小对感官特异性腹感 (SSS) 的影响.
主要方法:
- 两个随机交叉实验在四周内与女性参与者进行.
- 参与者在午餐中食用了不同的食物种类 (低与高) 和份量大小 (小与大).
- 实验1采用了同时供应的方法,而实验2采用了连续的三道菜结构. 测量了食物摄入量和SSS.
主要成果:
- 增加的食物品种和更大的部分大小都独立地增加了同时和连续的食结构中的食物摄入量.
- 在这两项实验中,在摄入量上的品种和部分大小之间没有发现显著的相互作用.
- 高品种在连续的食结构中降低了特定感官的腹感,但在同时的结构或部分大小中没有.
结论:
- 食物的多样性和大份量促进了更大的食物摄入量,无论用餐结构如何.
- 这些效应是由延迟的感官特异性腹感促进的,特别是在连续的饮食设置中.
- 综合而言,多样性和大份量有助于过度消费,突出了过度食物摄入的常见驱动因素.
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