Basic Info
  • Grade: food grade, pharmaceutical grade

    Factory Location: Shandong

    Main Sales Markets: North America,Western Europe,Eastern Europe,Australasia,Middle East,Africa

  • Packaging Information: 25.0kg/drum

  • Sample Provided: yes

    Payment Terms: T/T in advance

    Product Name:Quercetin

    Synonym(s):2-(3,4-dihydroxyphenyl)- 3,5,7-trihydroxy-4H-chromen-4-one

    Specification:98%,95%

    Test method:By UV

    Molecular Formula:C15H10O

    Molecular Weight:302.23

    CAS Registry Number:117-39-5

    Biological Source:Sophora japonica Ait.

     

    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.

    Quercetin, as an antioxidant, 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.

    Melting Point:

    316 °C

    Density:

    1.799 g/cm3

    Packing instruction:

    1kg/bag,5kg/bag,25kg/drum.

    Shelf Life:

    2years.

    Storage:

     Store in a well-closed container away from moisture, strong light and heat.

     

     

    Specification: Quercetin

    Appearance

    Yellow Green Powder 

    Identification

    Positive        

    Odor

    Characteristic        

    Loss on Drying

    <8%       

    Particle size

    100% pass through 80mesh 

    Ash

    <0.2%                       

    Heavy Metals

    <20ppm                     

    Assay

    98%min     

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