alexa Antioxidant effect of vitamin E and glutathione on lipid peroxidation in boar semen plasma.
Pharmaceutical Sciences

Pharmaceutical Sciences

Biochemistry & Pharmacology: Open Access

Author(s): BrezeziskaSlebodziska E, Slebodziski AB, Pietras B, Wieczorek G

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Abstract The protective effect of vitamin E and reduced glutathione (GSH) against lipid peroxidation in boar semen plasma was studied. The lipid peroxidation, measured by the test for thiobarbituric acid reactive substances (TBARS), doubled in the presence of the lipid peroxidation Fe(2+)-sodium ascorbate-inducing system. The ascorbate-induced TBARS were inhibited by about 62\% through the water-soluble vitamin E analog (TROLOX) and about 57\% by GSH. In the in vivo experiments, 7 wk of oral DL-alpha-tocopherol acetate (1000 IU/d/animal) administration caused a significant fall in the level of the semen plasma TBARS, from 2.2 +/- 0.09 to 1.2 +/- 0.13 nmol MDA/mL. The semen plasma superoxide dismutase (SOD) and GSSG tended to increase with the time of vitamin E administration, but the increment did not reach a significant level by the seventh week. The vitamin E supplementation significantly increased the number of spermatozoa per 1 cm3 of ejaculate. The protective role of vitamin E and GSH with respect to boar semen against fatty acid peroxidation and a positive influence of vitamin E supplementation on semen quality have been evidenced.
This article was published in Biol Trace Elem Res and referenced in Biochemistry & Pharmacology: Open Access

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