Effect of quercetin supplementation on maximal oxygen uptake in men and women
Quercetin is a naturally occurring flavonoid with anti-oxidant and anti-inflammatory properties. The effect of quercetin supplementation on maximal oxygen uptake ([Vdot]O 2max ) is unknown. The purpose of this investigation was to test the effects of quercetin supplementation on [Vdot]O 2max in untr...
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Published in | Journal of sports sciences Vol. 28; no. 2; pp. 201 - 208 |
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Main Authors | , , , , , , , |
Format | Journal Article |
Language | English |
Published |
Abingdon
Routledge
01.01.2010
Taylor & Francis Taylor & Francis Ltd |
Subjects | |
Online Access | Get full text |
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Summary: | Quercetin is a naturally occurring flavonoid with anti-oxidant and anti-inflammatory properties. The effect of quercetin supplementation on maximal oxygen uptake ([Vdot]O
2max
) is unknown. The purpose of this investigation was to test the effects of quercetin supplementation on [Vdot]O
2max
in untrained, sedentary individuals. After baseline treadmill [Vdot]O
2max
testing, 11 participants (5 males, 6 females) ingested either placebo or quercetin-supplemented (1000 mg · day
−1
) food bars in a randomized, double-blind, counterbalanced, crossover research design. The participants ingested food bars for six consecutive mornings (5 days). On the sixth morning, participants underwent repeat [Vdot]O
2max
testing. After a 22 day wash-out, the participants repeated baseline [Vdot]O
2max
testing, daily consumption of the opposite food bars, and post-supplementation [Vdot]O
2max
testing. The condition × time interaction for [Vdot]O
2max
was non-significant when expressed in absolute (litres · min
−1
; P = 0.929) and relative (ml · kg
−1
· min
−1
; P = 0.778) terms. These findings were similar when taking sex into account (P > 0.05). The mean difference in [Vdot]O
2max
change from pre to post between groups (quercetin vs. placebo) was 0.139 ml · kg
−1
· min
−1
(P = 0.780). Other physiological measures also were similar between conditions (P > 0.05). In conclusion, 5 days of quercetin supplementation did not influence [Vdot]O
2max
or related variables in sedentary men and women. |
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Bibliography: | ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-News-1 ObjectType-Feature-3 content type line 23 ObjectType-Feature-1 |
ISSN: | 0264-0414 1466-447X |
DOI: | 10.1080/02640410903428558 |