补充谷氨酰胺对持续性运动后血浆谷氨酰胺浓度的影响

Effect of Glutamine Supplementation on Plasma Glutamine Concentration after Endurance Training

为研究在训练中和训练后联合补充谷氨酰胺(Gln)对运动员机体的影响。10名运动员分别进行两次75%最大摄氧量的功率自行车运动,运动员在两次测试中分别补充谷氨酰胺(补充组)和安慰剂(补组)饮料,在运动后开始60min,受试者进行第一次谷氨酰胺或麦芽糖糊精饮料的补充,然后每隔45min服用等剂量的饮料,再服用4次,直到运动结束后2h,在不补组,血浆谷氨酰胺浓度在运动后即刻有所降低;而在补充组,血浆谷氨酰胺浓度基本没有变化。在运动后2h,补充组和不补组,血浆Gln浓度虽然都有所降低,但是在Gln补充组,血浆Gln的降低没有统计学意义,而在不补组,降低结果具有显著性。

The purpose of this study was to investigate the effect of glutamine supplement on plasma glutamine concentration after endurance training. Ten male athletes performed bicycle exercise for 2 h at 75% of maximum O2 consumption on 2 separate days. The two exercise trials separated by 2 weeks. Glutamine supplementation abolished the post-exercise decline in plasma glutamine concentration.