Dietary bioflavonoid quercetin modulates porcine ovarian granulosa cell functions .

Quercetin is a dietary bioflavonoid used widely as a food supplement and is generally recognized as safe. The aim of this study was to examine the steroid hormone (progesterone and 17- β estradiol) release, proliferation (PCNA and cyclin B1) and apoptosis (caspase 3 and p53) of porcine ovarian granulosa cells after the addition of quercetin at concentrations 0.01, 0.