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在过度训练的小鼠中,Konjak Glucomannan具有不同分子重量的运动性能提高效果

Yu-Heng Mao¹, Minghan Wang², Yu Yuan²

¹School of Exercise and Health, Guangzhou Sport University, Guangzhou 510500, Guangdong, China; Guangdong Provincial Key Laboratory of Human Sports Performance Science, Guangzhou Sport University, Guangzhou 510500, China.

International journal of biological macromolecules

|November 14, 2024

概括

高分子量糖甘 (KGM) 有效地对抗小鼠过度训练. 本地KGM提高了耐力和力量,保持了肠道微生物群的多样性和短链脂肪酸的生产.

科学领域:

运动生理学运动生理学
营养科学营养科学
微生物组研究微生物组研究

背景情况:

过度训练综合征会对运动表现产生负面影响.
现有的过度培训干预措施存在局限性.
康杰克葡萄甘 (KGM) 是一种具有潜在健康益处的食纤维.

研究的目的:

研究KGM不同分子量对小鼠过度训练的影响.
评估KGM对肠道微生物群,耐力和力量的影响.
为了比较本地KGM与酶降解分数 (KGM-EM,KGM-EL).

主要方法:

本地KGM的酶降解以产生中等和低分子量分数.
将小鼠置于过度训练的程序中.
评估身体表现 (耐力,力量),肠道微生物组合和短链脂肪酸 (SCFA) 水平.

主要成果:

与对照小鼠相比,本地KGM显著增加了过度训练的小鼠的力量 (55.57%) 和耐力 (55.70%).
本地KGM更好地保留了便微生物多样性和组成,免受过度训练引起的改变.
较高的KGM分子量与减轻过度训练效应的改善以及血SCFA的增加相关.

结论:

高分子量KGM在预防过度训练综合征方面表现出显著的潜力.
本地KGM可以通过调节肠道微生物组和SCFA生产来提高运动表现.
进一步研究KGM对运动员的治疗应用是有必要的.

关键词:

饮食纤维的食物纤维.疲劳疲劳疲劳疲劳疲劳微生物群中的微生物群绩效表现性能表现表现表现表现聚糖类是一种多糖类.益生菌益生菌益生菌

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