Natural quercetin is widely found in the stem bark, flowers, leaves, seeds and fruits of rutin and other plants, but mostly in the form of glycosides. Quercetin powder can be obtained by acid hydrolysis.
It is a polyhydroxyflavonoid compound with multiple biological activities and high medicinal value. It can be used to develop quercetin series supplements, functional foods, health foods and medicines, providing a new way to health.
Item | Specification | Method | Result |
Appearance | Green Yellow Powder | Organoleptic | Conforms |
Loss on Drying | ≤3.0% | HB43-S Moisture Meter | 2.80% |
Ignition Ash | ≤2.0% | USP37<561> | 1.30% |
Mesh Size | 98% Through 80 Mesh | Organoleptic | Conforms |
Mercury(Hg) | ≤0.1mg/Kg | Atomic Absorption | Conforms |
Lead(Pb) | ≤3.0 mg/Kg | Atomic Absorption | Conforms |
Arsenic(As) | ≤2.0 mg/Kg | Atomic Absorption | Conforms |
Cadmimum(Cd) | ≤1.0 mg/Kg | Atomic Absorption | Conforms |
Total Plate Count | ≤1000cfu/g | USP30<61> | Conforms |
Yeast&Mold | ≤500cfu/g | USP30<61> | Conforms |
E.Coli | Negative | USP30<62> | Conforms |
Salmonella | Negative | USP30<62> | Conforms |
Conclusion: | Meet the standard |
It has anti-inflammatory and antioxidant properties and can be used as a functional ingredient for health care.
Feature Tea contains a variety of active ingredients, such as amino acids, tea polysaccharides, alkaloids, tea polyphenols and pectin. Tea Polyphenols are polyphenolic compounds found…
Feature Neohesperidin Dihydrochalcone NHDC is a flavonoid derivative extracted from natural citrus plants.NHDC has a strong sweet taste, and its sweetness is 1,500 to 1,800…
Feature Carbomer 940 is a white fluffy powder that is soluble in water, ethanol, and glycerin. It has a characteristic slight odor and is highly…