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Product name: QuercetinIt Beijing Opera,
The antioxidant flavonoids5 hydroxy flavone2-(3, 4-dihydroxy phenyl)-3,5, 7-trihydroxy -4H-chroene-4-ketone chemical formula C15H10O7  Molecular weight 302.236  CAS Accession Number 117-39-5  EINECS Accession number 204-187-1 Melting point 314 to 317 ℃  Boiling point 642.4 ℃ water soluble almost insoluble  density 1.799 g/cm³ external yellow needle-like crystalline powder  Flash point 248.1 ℃ safety description S45 hazard symbol R25; R40 Danger Description TUN Dangerous goods no. 2811
Quercetin, widely distributed in plant kingdom, has a variety of bioactive flavonol compounds. Quercetin can resist free radicals, complexate or capture free radicals to prevent lipid peroxidation.
Quercetin can directly inhibit the tumor, effectively play the role of cancer prevention and cancer prevention; It also has strong biological activity in antibacterial, anti - inflammatory, anti - allergic and prevention of diabetes complications. In addition, quercetin can also reduce blood pressure, enhance capillary resistance, reduce capillary brittleness, reduce blood lipids, dilate coronary arteries, increase coronary blood flow and other effects, and has an auxiliary therapeutic effect on patients with coronary heart disease and hypertension. Quercetin is non-toxic, therefore, it is of great significance for the treatment and prevention of cancer, aging and cardiovascular diseases, and has great development value.