作为常规摄入的一部分,每天一颗梨可以改善饮食质量:随机对照试验的探索性结果
Kristina S Petersen1, Sydney Smith2, Alice H Lichtenstein3
1Department of Nutritional Sciences, Pennsylvania State University, State College, PA, United States.
Current developments in nutrition
|February 20, 2024
概括
每天添加1个梨可以改善腹部肥胖的成年人饮食质量,但这种变化不能预测心脏代谢风险因素的改善. 需要进一步的研究来了解饮食质量.
科学领域:
- 营养科学 营养科学
- 心血管健康 心血管健康
- 饮食干预 饮食干预
背景情况:
- 有限的临床试验已经探索了饮食质量变化作为干预措施有效性的预测因素.
- 评估饮食质量对于理解干预结果至关重要.
研究的目的:
- 评估食品干预后2015年健康饮食指数 (HEI) 的变化.
- 确定HEI-2015的变化是否预测了对心脏代谢风险因素的干预效应.
主要方法:
- 习惯性饮食和梨试验是一项为期26周的多中心随机对照研究,涉及1008名腹部肥胖的参与者.
- 参与者每天要么食用1个梨,要么保持他们习惯的饮食.
- 饮食质量是使用HEI-2015通过四个时间点的24小时回忆来衡量的;混合模型用于分析.
主要成果:
- 与习惯饮食组相比,梨组的HEI-2015分数显著增加 (4.74分).
- 在梨组中改善了特定的HEI-2015组件,包括全部蔬菜,脂肪酸比例,,精制谷物和添加糖.
- 虽然HEI-2015在梨组内女性的健康状况有所改善,但在男性中没有明显的改善. 2015年HEI中位数变化与心脏代谢风险因素的变化没有相关性.
结论:
- 在26周的每日梨摄入量,增强了腹部肥胖的成年人对饮食指南的遵守.
- 尽管饮食质量有所改善,但HEI-2015的变化并没有预测心脏代谢疾病风险因素的干预相关变化.
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