在年轻健康个体中,n-3多不和脂肪酸与氧化应激标志物水平相关的肉消费的影响:一项随机双盲研究
Tihana Nađ1,2, Nikolina Kolobarić3,4, Zrinka Mihaljević3,4
1Clinic of Pediatrics, University Hospital Centre Osijek, J. Huttlera 4, HR-31000 Osijek, Croatia.
Antioxidants (Basel, Switzerland)
|February 26, 2025
概括
在健康的年轻人中,三周食用富含n-3多不和脂肪酸 (PUFA) 的肉改善了抗氧化能力,降低了炎症标志物. 这种饮食干预增强了身体对抗氧化应激的自然防御能力.
科学领域:
- 营养科学 营养科学
- 生物化学 生物化学
- 人类健康 人类健康 人类健康
背景情况:
- 氧化应激和炎症是许多疾病的关键风险因素.
- n-3多不和脂肪酸 (n-3PUFA) 越来越多地被认为具有健康益处.
- 了解富含n-3PUFA的食物对健康标志物的影响至关重要.
研究的目的:
- 调查食用富含n-3PUFA的肉对氧化状态和抗氧化能力的影响.
- 评估健康年轻人中与氧化应激和炎症相关的生化参数的变化.
主要方法:
- 一个随机,双盲,受控试验,涉及39名健康的年轻成年人.
- 参与者吃了普通的肉 (对照组) 或 n-3 PUFA 丰富的肉 (每天约1500 毫克 n-3 PUFA) 三周.
- 生物化学标记物包括血清脂质,肝酶,抗氧化酶活性 (GPx,SOD),氧化应激标记物 (TBARS,FRAP) 和活性氧物种 (ROS) 在干预前后都被测量.
主要成果:
- 摄入富含n-3PUFA的肉显著降低了高灵敏度C反应蛋白 (hsCRP) 的水平.
- n-3 PUFA 组显示血清总抗氧化能力 (FRAP) 和抗氧化酶活性 (GPx,SOD) 显著增加.
- 在n-3PUFA组中,细胞内活性氧物种 (ROS) 的产生显著减少.
结论:
- 在健康的年轻人中,在3周的饮食中摄入富含n-3PUFA的肉显著提高了健康年轻人的总抗氧化和抗炎潜力.
- 即使没有现有的炎症过程,n-3PUFAs也可能提供保护性益处.
- 这项研究突出了n-3PUFA丰富食品作为维持健康的饮食策略的潜力.
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