Wu Ching-Lin, Yang Tsung-Jen, Wu Min-Huan, Liang Hong-Jen, Chen Yi-Liang, Wu Shey-Lin, Chiu Chih-Hui
Graduate Institute of Sports and Health Management, National Chung Hsing University, Taichung 402202, Taiwan.
Department of Physical Education, National Taiwan Normal University, Taipei 106209, Taiwan.
Metabolites. 2022 Oct 28;12(11):1038. doi: 10.3390/metabo12111038.
A higher postprandial triglycerides response and hemorheological abnormalities may increase the incidence of metabolic disorders and negatively interfere with the aging process. A single session of preprandial endurance exercise was found to be effective in reducing triglyceride levels after a high-fat diet. However, whether the exercise-induced reduction in postprandial triglyceride levels influences hemorheological indicators remains unknown. This study aims to investigate the effects of postprandial lipemia on hemorheological properties and oxidative stress. Eight healthy young male participants completed two experimental trials. On day 1, the participants were randomly assigned to walk for 1 h at 50% VO2max (EE trial) or rest (CON trial). On day 2, participants rested and consumed a high-fat meal in the morning. Results: The postprandial area under the curve (AUC) of plasma TG concentration was significantly lower in EE compared to CON (EE: 9.2 ± 1.9; CON: 10.9 ± 1.7 mmol/L·h−1; p = 0.013; Cohen’s d = 0.036). No significant difference was observed in hemorheological properties and MDA (p > 0.05). Endurance exercise effectively decreased postprandial TG concentration but did not influence the postprandial hemorheological properties and oxidative stress indicators.
较高的餐后甘油三酯反应和血液流变学异常可能会增加代谢紊乱的发生率，并对衰老过程产生负面影响。研究发现，单次餐前耐力运动可有效降低高脂饮食后的甘油三酯水平。然而，运动引起的餐后甘油三酯水平降低是否会影响血液流变学指标仍不清楚。本研究旨在探讨餐后血脂异常对血液流变学特性和氧化应激的影响。八名健康年轻男性参与者完成了两项实验。第1天，参与者被随机分配以50%VO2max的强度步行1小时（耐力运动试验，EE试验）或休息（对照组试验，CON试验）。第2天，参与者休息，并在上午食用高脂餐。结果：与CON组相比，EE组血浆TG浓度的餐后曲线下面积（AUC）显著降低（EE组：9.2±1.9；CON组：10.9±1.7 mmol/L·h−1；p = 0.013；Cohen's d = 0.036）。血液流变学特性和丙二醛水平无显著差异（p > 0.05）。耐力运动有效降低了餐后TG浓度，但未影响餐后血液流变学特性和氧化应激指标。
