Possible stimulatory effect of quercetin on secretion of selected pituitary hormones

Eva Tušimová, Dagmara Packová, Anton Kováčik, Ľubomír Ondruška, Rastislav Jurčík, Adriana Kolesárová


Quercetin is found in various types of foods such as apples, red onions, grapes, berries, citrus fruits, cherries, broccoli, tea etc. It is characterized by antioxidative, anti-carcinogenic, bacteriostatic and anti-inflammatory effects on the animal organism. The aim of our study was to examine its effect on endocrine system of the rabbit in vivo. Twenty healthy adult female rabbits were divided into four groups (control group and three experimental groups). Various concentrations of quercetin (10, 100 and 1000 µg/kg body weight) were intramuscularly administrated to rabbits in experimental groups during 30 days. A sensitive, biochemical method, ELISA was used to determine the concentrations of selected hormones (follicle-stimulating hormone - FSH, luteinizing hormone – LH, prolactin – PRL) after 30 days of administration. Non-significant differences between groups were found after application of different quercetin concentrations. Stimulatory effect was observed on FSH secretion by higher dose of quercetin. Similarly, LH and PRL increased at concentration 100 µg/kg and 1000 µg/kg. Our results indicate the possible effect of quercetin on secretion of selected pituitary hormones.


quercetin; hormone; FSH; LH; PRL

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