Quercetin
The flavone luteolin, with the extra OH at the 3rd position is then modified to Quercetin with positions 3, 5, 7, 3', 4'- pentahydroxy flavone.
Major polyphenolic flavonoid which has shown possibilities as an anticancer, antiviral, treatment for allergic, metabolic and inflammatory disorders, eye and cardiovascular diseases and arthritis.
Pharmacologically it has been examined as a use against microorganism and parasites including pathogenic bacteria, viruses, Plasmodium, Babesia and Theileria parasites.
Quercetin has shown beneficial effects against Alzheimer's Disease (AD) due to its inhibitory effect against acetylcholinesterase.
It has been documented to possess antioxidant, antifungal, anti-carcinogenic, hepatoprotective and cytotoxic activity.
Quercetin has shown to accumulate in the lungs, liver, kidneys and small intestines with lower levels being seen in the brain, heart and spleen. It is extracted through the renal, fecal and respiratory systems.
Found in berries, apples, cauliflower, cabbage, tea, nuts, onions.
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