肠道能量吸收与年轻健康成年人的血糖变化有关
M Alan Dawson1, Susan N Cheung2, Michael R La Frano3
1Department of Health, Nutrition, and Food Sciences, Florida State University, Tallahassee, FL, United States; Military Nutrition Division, US Army Research Institute of Environmental Medicine, Natick, MA, United States.
人体能量消化能力,衡量肠道能量吸收,与代谢健康和肠道功能有关. 较低的便重量和较高的葡萄糖变化与较差的能量吸收相关,影响整体健康.
科学领域:
- 人类生理学 人类生理学
- 代谢健康 代谢健康
- 胃肠道功能 胃肠道功能
背景情况:
- 人类从饮食中吸收能量是不完整的,但其与代谢和胃肠道健康的联系尚未得到充分理解.
- 肠道能量吸收或消化能力在整体健康结果中起作用.
研究的目的:
- 研究能量消化能力与心脏代谢健康标志物之间的关联.
- 为了确定能量消化能力和胃肠功能之间的关系.
主要方法:
- 16名健康的成年人接受了9天的控制饮食.
- 收集了便和尿液,以测量能量和巨量营养素的损失,确定能量消化能力.
- 相关性和多变量回归分析评估了能量消化能力,胃肠道过渡时间和心脏代谢标志物之间的关系.
主要成果:
- 平均能量消化率为91.7%,对于湿和干的体重,总能量摄入量和纤维摄入量发现了显著的反向关联.
- 在能量消化能力和葡萄糖变化 (血糖游览的平均幅度),结肠过境时间,年龄和全肠过境时间之间观察到积极的关联.
- 一个多变量回归模型表明,干便重量,24小时血糖变化,结肠和全肠传输时间以及年龄共同解释了95%的能量消化能力变化.
结论:
- 能量消化能力是影响胃肠功能和葡萄糖调节的重要生理因素.
- 这些发现凸显了在精密营养策略中考虑能量的消化能力的重要性.
- 需要进一步的研究来探索能量消化能力在各种健康环境中的影响.
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