Quercetin is a type of plant-based chemical, or phytochemical, known as a flavonoid. Good sources include apples, onions, teas, red wines, and many other foods. Quercetin is also available as a dietary supplement. Quercetin appears to have anti-inflammatory and antioxidant properties.
Product name:Quercetin
Plant sources: Sophora Japonica Extract
Apperance:Yellow powder
Specification: 50%, 95%HPLC, 98%UV Quercetin
Test method:HPLC/UV
Shelf time:2 years,keep away sunlight, keep dry