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支链氨基酸对赛艇运动员极限运动血葡萄糖异生的影响 总被引：9，自引：0，他引：9
目的：探讨补充支链氨基酸（BCAA）对不同负荷运动后及恢复期糖代谢和糖异生的影响。方法；20名赛艇运动员随机分为2组（BCAA组和对照组），BCAA组每天补充支链氨基酸，时间为4周，对照组则补充安慰剂。在实验期间，两组运动员都进行相同负荷的运动训练。4周后，在赛艇测功仪上进行模拟2km和5km的耐力测试，并分别在运动前、运动后即刻和运动后30min取血测定血糖、丙氨酸和乳酸。结果：在耐力极限负荷运动中，BCAA组的血糖只在运动后即刻明显下降（P 〈0．05），而对照组则在运动后即刻和运动后30min都明显低于安静时水平（P〈0．05）。BCAA组血丙氨酸浓度在运动后即刻和运动后30min均明显增加（P，〈0．05），而对照组血丙氨酸浓度则在运动后出现明显的下降（P〈0．05）。BCAA组的血乳酸值在运动后明显低于对照组（P〈0．05）。结论：补充BCAA可促进力竭运动后及恢复期糖的异生、延缓疲劳发生和促进运动后疲劳的消除。 相似文献
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Najma Zaheer Baquer Dhananjay Gupta Jayadev Raju 《Indian journal of clinical biochemistry : IJCB》1998,13(2):63-80
Diabetes has been classified as a disease of glucose overproduction by tissues, mainly liver and glucose underutilization
by insulin requiring tissues like liver, adipose and muscle due to lack of insulin. There is, however, glucose over utilization
in tissues not dependent on insulin for glucose transport like kidney, nerve and brain. There are serious complications due
to this excess glucose in these tissues and their reversal is important for a good metabolic control and normalisation of
other parameters. Insulin, trace metals and some plant extracts have been used to see the reversal effects of the complications
of diabetes in liver and kidney in experimental diabetes. Almost complete reversal of the metabolic changes has been achieved
in the activities of key enzymes of metabolic pathways in liver and kidney and an effective glucose control has been achieved
suggesting a combination of therapies in the treatment of metabolic disturbance of the diabetic state. 相似文献
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有氧运动中影响运动能力的代谢因素 总被引：2，自引：0，他引：2
糖代谢是有氧运动中最主要的供能方式.从糖代谢过程中三羧酸循环的回补过程、苹果酸-天冬氨酸穿梭(Malate-aspartate shuttle, MA穿梭)、糖异生及线粒体功能等方面,阐述影响有氧运动能力的代谢因素,并将改善其代谢性因素的研究成果作一综述. 相似文献
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