Quercetin extract powder 1.Quercetin extract powder 2.Products:Quercetin 3.Appearance:Yellow powder 4.Purity:95%, 98% 5.Our key product 6.Anti-Oxidation natural herbal extractEnglish Name: Quercetin,Meletin, Sophoretin Specification: 95%(HPLC), 98%,99%(UV)Appearance: Greeen or Yellow powder Type: Anti-Oxidation series extract Test Method: UV/HPLC Packing: 25kg Per Drum or according to the needs of customers. Shelf life: 24 months when properly stored. Storage: Store in a well-closed container away from moisture, strong light and heat. Main Function: Quercetin is a powerful antioxidant. It is also a natural anti-histamine, and anti-inflammatory. Research shows that quercetin may help to prevent cancer, especially prostate cancer. Biological Use/Importance: quercetin is a potent antioxidant and has anti-inflammatory activity, protecting cellular structures and blood vessels from the damaging effects of free radicals. It improves blood vessel strength. Quercetin inhibits the activity of catechol-O-methyltransferase that breaks down the neurotransmitter norepinephrine. This effect may lead to elevated levels of norepinephrine and an increase in energy expenditure and fat oxidation. It also means quercetin acts as an antihistamine leading to relief of allergies and asthma. As an antioxidant, it reduces LDL cholesterol and offers protection from heart disease. Quercetin blocks an enzyme that leads to accumulation of sorbitol, which has been linked to nerve, eye, and kidney damage in diabetics.HIGH QUALITY WITH COMPETITIVE PRICE. WELCOME TO YOUR INQUIRY !