Quercetin – The polyphenol quercetin is a dietary flavonoid that is found in many plants and foods, such as red wine, onions, green tea, apples, and berries. and St. John’s wort.
Quercetin mediated Nrf2 activation leads to transcriptional activation of antioxidant response elements. This activation results in prevention against oxidative damage and ultimately leads to amelioration of cognitive impairment.
Has anti-allergic functions that are known for inhibiting histamine production and pro-inflammatory mediators.
Quercetin can regulate the Th1/Th2 stability, and decrease the antigen-specific IgE antibody releasing by B cells.
The broad-spectrum antimicrobial properties of quercetin can be used in the prevention and treatment of various
infectious bacterial diseases and can provide treatment options to reduce the use of antibiotics.
Quercetin is an ideal therapeutic tool for chemoprevention of cancer and can specifically activate apoptosis in cancer cells, without inhibiting cellular growth of normal cells.