无法通过增加食盐的使用来补偿饮食中的减少
G K Beauchamp1, M Bertino, K Engelman
1Monell Chemical Senses Center, Philadelphia, PA 19104.
JAMA
|December 11, 1987
概括
低饮食的个体通过添加食盐来补偿最小的补偿. 这表明,即使可以免费获得盐,也可以实现大幅度的饮食减少.
科学领域:
- 营养科学 营养科学
- 饮食研究 饮食研究
背景情况:
- 饮食中的摄入量是一个重大的公共卫生问题.
- 减少摄入量对于管理血压和心血管健康至关重要.
研究的目的:
- 为了研究低饮食中个体的补偿盐摄入行为.
- 为了确定食盐的使用在多大程度上抵消了饮食中的减少.
主要方法:
- 11名学生参加了为期14周的受控养研究.
- 饮食中的从135 mmol/d减少到70 mmol/d,持续了10周.
- 在整个研究过程中,使用预称重的盐器监测食盐的使用情况.
主要成果:
- 通过增加食盐的使用,参与者补偿了少于20%的饮食的减少.
- 没有观察到盐味偏好或强度感知的显著变化.
- 味觉功能保持稳定,尽管饮食的波动.
结论:
- 显著减少饮食中的摄入量是可行的,即使个人可以不受限制地获得食盐.
- 减少饮食的行为补偿是有限的,支持饮食限制策略的有效性.
- 进一步的研究可以探索长期坚持和更广泛的人口对减少干预措施的反应.
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