高蛋白,低碳水化合物超加工食品对人类能量平衡的短期影响
Franziska A Hägele1, Catrin Herpich2, Jana Koop1
1Department of Human Nutrition, Institute of Human Nutrition and Food Science, Kiel University, Kiel, Germany.
Nature metabolism
|March 14, 2025
概括
高蛋白超加工食品 (UPF) 可以通过增加能量消耗和减少摄入量来帮助体重管理. 然而,在一项短期研究中,它们并没有防止过度饮食,尽管它们改善了能量平衡.
科学领域:
- 营养科学 营养科学
- 人类的新陈代谢.
- 饮食干预 饮食干预
背景情况:
- 超加工食品 (UPF) 通常被认为是健康的体重管理.
- 然而,与加工较少的选项相比,UPF消费与过度养和体重增加有关.
研究的目的:
- 研究蛋白质丰富的UPF对能量摄入量和能量平衡的短期影响.
- 为了比较高蛋白,低碳水化合物UPF (HPLC-UPF) 与正常蛋白,正常碳水化合物UPF (NPNC-UPF).
主要方法:
- 一个单盲交叉试验,在整个房间的热量计中与21名健康成年人进行.
- 参与者在54小时内食用HPLC-UPF或NPNC-UPF饮食,饮食的味道,卡路里,脂肪和纤维相匹配.
- 能量摄入量,支出和平衡被测量为主要结果.
主要成果:
- 与NPNC-UPF相比,HPLC-UPF饮食导致更高的能量消耗 (+128 kcal/day) 和更低的能量摄入量 (-196 kcal/day).
- 这导致了较不积极的能量平衡 (18%与32%) 与有利的蛋白质和碳水化合物平衡.
- 饭后的格林林水平下降,而葡萄糖和YY水平在HPLC-UPF中增加.
结论:
- 短期摄入富含蛋白质的UPF有利地影响了能量分割和荷尔蒙反应.
- 尽管减少了能量摄入量和增加了支出,但HPLC-UPFs在本试验中并没有完全防止过度进食.
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