Acute supplementation of valine reduces fatigue during swimming exercise in rats

Acute supplementation of valine reduces fatigue during swimming exercise in rats

Abstract We investigated the respective effects of the acute supplementation of valine, leucine, and isoleucine on metabolism-related markers by administering a swimming exercise test to rats. As a behavioral analysis, we evaluated the effect of valine and that of leucine on spontaneous activity aft...

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Veröffentlicht in:Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2018-05, Vol.82 (5), p.856-861
Hauptverfasser: Tsuda, Yuichi, Iwasawa, Kaori, Yamaguchi, Makoto
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creator Tsuda, Yuichi
Iwasawa, Kaori
Yamaguchi, Makoto
description Abstract We investigated the respective effects of the acute supplementation of valine, leucine, and isoleucine on metabolism-related markers by administering a swimming exercise test to rats. As a behavioral analysis, we evaluated the effect of valine and that of leucine on spontaneous activity after exercise. Acute supplementation of valine before exercise significantly suppressed the depression of the liver glycogen and the blood glucose after exercise, whereas leucine decreased the blood glucose and isoleucine had no effect. Valine or leucine supplementation significantly decreased the plasma corticosterone level after exercise, while isoleucine had no effect. In the behavioral analysis, valine significantly increased the spontaneous activity after exercise, whereas leucine had no effect. These results indicate that in rats, the acute supplementation of valine, not leucine or isoleucine, is effective for maintaining liver glycogen and blood glucose and increasing spontaneous activity after exercise, which could contribute to the reduction of fatigue during exercise. Abstract Acute supplementation of valine before exercise significantly suppressed the depression of the liver glycogen and the blood glucose after exercise.
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title Acute supplementation of valine reduces fatigue during swimming exercise in rats
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