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The inhibitory effects on adult male reproductive functions of crude garlic （Allium sativum） feeding

Asian Journal of Andrology 2008年第4期10卷 593-601页

作者： Irnen Hammami Afef Nahdi Claire Mauduit Mohamed Benahmed Mohamed Amri Awatef Ben Amar semy zekri Ahmed El May Michele Veronique El May Research unity n° 01/UR/08-07 Faculty of Medicine Tunis 1007 Tunisia Inserm U407 Oullins F-69921 France University of Lyon Oullins F-69921 France Civil Hospitals of Lyon Hospital Center of Lyon-Sud Laboratory of Anatomy and Cytology-Pathology Pierre-Benite cedex F-69495 France Nutrition Physiology Laboratory Faculty of Sciences Tunis 1006 Tunisia Laboratory of Electronic Microscopy Faculty of Medicine Tunis 1007 Tunisia Laboratory of lmmuno-histo-cytology Salah Azaiez Institute Tunis 1006 Tunisia

Aim： To investigate the effects of crude garlic on adult male rat reproductive functions. Methods： Thirty male rats were divided into five groups： group 1 （untreated） and groups 2, 3, 4 and 5 were fed for 30 days with 5%, 10%, 15% and 30% crude garlic, respectively. Testes and accessory organs were weighed and some markers were assessed. Light and electron microscopy observations were also performed. Results： A significant decrease was observed in the body weight of groups 4 （14%; P 〈 0.01） and 5 （20%; P 〈 0.01）; of the prostate weight in group 5 （29.1%; P 〈 0.05） and of seminal vesicle weight in groups 3 （14.4%; P 〈 0.01）, 4 （18.3%; P 〈 0.01） and 5 （27.3%; P 〈 0.01）. In contrast, testis and epididymis weights were unchanged. In epididymis tissue, the alpha glucosidase activity and the spermatozoa density were unchanged. The treatment resulted in a significant decrease in testosterone serum levels in groups 3 （77.3%; P 〈 0.01）, 4 （77.3%; P 〈 0.01） and 5 （90.9%; P 〈 0.01）, associated with a significant increase in LH serum levels （P 〈 0.01）. Testicular histology showed a dose-dependent increase in the percentage of empty seminiferous tubules. Moreover, testicular function was affected; a significant decrease in phosphatase acid activity （P 〈 0.01） and testosterone （P 〈 0.05） contents were observed. Conclusion： Crude garlic consumption during 1 month reduced testosterone secretion and altered spermatogenesis at 10%, 15% and 30% doses.

关键词： crude garlic spermatogenesis testosterone luteinizing hormone testis sexual accessory organs Sertoli cell Leydig cell germ cells

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