Nutr Res Pract.  2009 Sep;3(3):208-211.

Effect of vitamin B6 deficiency on antioxidative status in rats with exercise-induced oxidative stress

• Choi EY
• Cho YO

Abstract

This study investigated the effect of vitamin B6 deficiency on antioxidant enzyme activities and lipid profile in rats with exercise-induced oxidative stress. Forty eight rats were fed either a vitamin B6 deficient diet (B6-) or a control diet (control) for 4 weeks and then subdivided into 3 groups: pre-exercise (PreE); post-exercise (PostE); recess after exercise (recessE). Compared to those of control group, plasma catalase and hepatic cytosol superoxide dismutase (SOD, EC 1.15.1.1) activities of B6- group were lower regardless of exercise. The ratio of reduced glutathione/oxidized glutathione (GSH/GSSG) of B6- group was lower in PreE and there was no difference between PostE and recessE. The level of malondialdehyde (MDA) of B6- was significantly higher in PreE and PostE. High-density lipoprotein-cholesterol (HDL-C) level of B6- group was lower regardless of exercise. Atherosclerotic index of B6- group was higher in PreE and there was no difference between PostE and recessE. It is suggested that a reduction in antioxidative status caused by vitamin B6 deficiency may be aggravated under exercise-induced oxidative stress.

Keyword

Vitamin B6 deficiency; exercise; antioxidative enzymes; oxidative stress

MeSH Terms

Animals
Catalase
Cytosol
Diet
Glutathione
Malondialdehyde
Oxidative Stress
Plasma
Rats
Superoxide Dismutase
Vitamin B 6
Vitamin B 6 Deficiency
Vitamins
Catalase
Glutathione
Malondialdehyde
Superoxide Dismutase
Vitamin B 6
Vitamins

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