Green tea consumption increases sperm concentration and viability in male rats and is safe for reproductive, liver and kidney health

Green tea is a popularly consumed beverage worldwide and contains polyphenols, whose antioxidant activities could improve sperm parameters and fertility thereof. We investigated the effect of green tea on the male rat reproductive system as well as its safety. Male Wistar rats were administered 2 an...

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Bibliographic Details
Published in:Scientific reports 2020-09, Vol.10 (1), p.15269, Article 15269
Main Authors: Opuwari, Chinyerum, Monsees, Thomas
Format: Article
Language:English
Subjects:
631/443
631/80
692/698
Acrosome Reaction - drug effects
Animals
Antioxidants - pharmacology
Catalase - metabolism
Epididymis - drug effects
Epididymis - metabolism
Humanities and Social Sciences
Kidney - drug effects
Kidney - metabolism
Lipid Peroxidation - drug effects
Liver - drug effects
Liver - metabolism
Male
multidisciplinary
Oxidative Stress - drug effects
Plant Extracts - pharmacology
Rats
Rats, Wistar
Reproduction - drug effects
Science
Science (multidisciplinary)
Seminiferous Tubules - drug effects
Seminiferous Tubules - metabolism
Sperm Count - methods
Sperm Motility - drug effects
Spermatogenesis - drug effects
Spermatozoa - drug effects
Spermatozoa - metabolism
Superoxide Dismutase - metabolism
Tea - chemistry
Testis - drug effects
Testis - metabolism
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Summary:Green tea is a popularly consumed beverage worldwide and contains polyphenols, whose antioxidant activities could improve sperm parameters and fertility thereof. We investigated the effect of green tea on the male rat reproductive system as well as its safety. Male Wistar rats were administered 2 and 5% aqueous extract of green tea for 52 days’ ad libitum, while the control group received tap water. Total polyphenol, flavanol, flavonol and soluble solids significantly increased in a concentration-dependent manner in vitro ( P   0.05). Kidney weight, sperm concentration and vitality, spontaneous acrosome reaction increased ( P   0.05). Histological sections of testis, epididymis, kidney and liver showed no conspicuous alteration. Diameter and epithelial height of seminiferous tubule decreased, while caudal epididymis epithelial height increased ( P  
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-020-72319-6