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KMID : 0613820160260091063
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Journal of Life Science
2016 Volume.26 No. 9 p.1063 ~ p.1073
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Effects of Fermented Dandelion (Taraxacum coreanum) Extract on Male Climacteric Syndrome
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Lee Hak-Su
Baek Yeon-Su
Kim Ye-Seul
Kim Hyun-Pyo
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Abstract
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Male climacteric syndrome, andropause, or testosterone deficiency syndrome (TDS) is one of the new health issues in elderly men. It is a natural phenomenon that happens with age in men, which is clinically characterized by a decline in levels of serum testosterone resulting in a significantly decreasing of physical and mental activities. The aim of this study was to investigate the putative alleviative effects of dandelion extract on the symptoms of TDS by increasing serum testosterone levels and compare the efficacy between dandelion extract (DE) and fermented dandelion extract (FDE). After daily intake of DE and FDE for 4 weeks, serum testosterone levels, muscles of vastus lateralis, forced swimming time, total sperm counts, and motile sperm counts were significantly increased in older rats (22 weeks). Additionally, SHBG, epididymal fat pad, total serum cholesterol and triglyceride were significantly decreased in DE and FDE fed groups. However, PSA levels were not different among all groups. Furthermore, DE and FDE enhanced the expression of genes related to testosterone biosynthesis in TM3 Leydig cells. Overall, these positive effects on andropause were greater in FDE compared to DE. These results suggest the potential of FDE as a safe and efficacious natural material for recovering testosterone levels and reducing andropause symptoms.
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KEYWORD
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Dandelion, male climacteric syndrome, Taraxacum coreanum, testosterone, testosterone deficiency syndrome
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