Influence of carbohydrate on cytokine and phagocytic responses to 2 h of rowing
(Influence of carbohydrate on cytokine and phagocytic responses to 2 h of rowing )
Purpose: This study examined the influence of carbohydrate (C) versus placebo (P) beverage ingestion on the phagocytic and cytokine responses to normal rowing training by 15 elite female rowers. Methods: Athletes received C or P before, during and after, two, 2-h bouts of rowing performed on consecutive days. Blood was collected before and 5-10 min and 1.5 h after rowing. Metabolic measures indicated that training was performed at moderate intensities, with some high-intensity intervals interspersed throughout the sessions. Results: Concentrations of blood neutrophils and monocytes, phagocytic activity, and plasma IL-1ra were significantly lower postexercise after C versus P ingestion. No differences were observed for oxidative burst activity, IL-6, IL-8, or TNF[alpha]. Glucose was significantly higher after 2 h of rowing with C ingestion; however, cortisol, growth hormone, epinephrine, norepinephrine, and CRP were not affected by carbohydrate. Conclusions: These data indicate that carbohydrate compared with placebo ingestion attenuated the moderate rise in blood neutrophils, monocytes, phagocytosis, and plasma IL-1ra concentrations that followed 2-h bouts of training in elite female rowers. No changes in blood hormone concentrations were found.
© Copyright 2000 Medicine & Science in Sports & Exercise. Lippincott Williams & Wilkins. Kaikki oikeudet pidätetään.
Aiheet: | solu lisäravinteiden käyttö soutu immuniteetti hiilihydraatti |
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Aihealueet: | kestävyys urheilu biologiset ja lääketieteelliset tieteet |
Julkaisussa: | Medicine & Science in Sports & Exercise |
Julkaistu: |
2000
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Vuosikerta: | 32 |
Numero: | 8 |
Sivuja: | 1384-1389 |
Julkaisutyypit: | artikkeli |
Kieli: | englanti (kieli) |
Taso: | kehittynyt |