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KMID : 0613820080180070947
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Journal of Life Science
2008 Volume.18 No. 7 p.947 ~ p.951
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Effect of Zinc-Enriched Yeast Supplementation on Serum Zinc and Testosterone Concentrations in Ethanol Feeding Rats
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Cha Jae-Young
Huo Jin-Sun
Park Bo-Kyung
Cho Young-Su
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Abstract
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Zinc is an essential trace element participating in many physiological functions and notably an important function for sperm physiology. Zinc-enriched yeast strain, Saccharomyces cerevisiae, isolated from tropical fruit rambutan. This strain contained 306 ppm zinc concentration and other components contained by K 28,640 ppm, Mg 2,342 ppm, Na 1,048 ppm, Ca 366 ppm, Fe 236 ppm and Mn 4 ppm. The serum concentration of testosterone was decreased in ethanol treatment rats. As compared with ethanol treated control rats, the zinc-enriched yeast strain supplementation showed significantly increased the testosterone concentration in serum. In addition, zinc concentration in serum was decreased in alcohol treatment, but this reduction was significantly increased by zinc-enriched yeast strain supplementation in ethanol feeding rats. These results indicate that zinc-enriched yeast Saccharomyces cerevisiae strain could play an important role in the sperm physiology by the marked elevation of serum testosterone concentration.
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KEYWORD
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Zinc, yeast, ethanol, testosterone, rat
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