| Customization: | Available |
|---|---|
| Certification: | RoHS, BRC, ISO, FDA, HACCP |
| Assay Method: | HPLC, UV |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
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.
This product has good expectorant and cough-relieving effects, and has a certain antiasthmatic effect. In addition, it has the effects of lowering blood pressure, enhancing capillary resistance, reducing capillary fragility, lowering blood lipids, dilating coronary arteries, and increasing coronary blood flow. For the treatment of chronic bronchitis. It also has an auxiliary therapeutic effect on patients with coronary heart disease and hypertension.
|
Parameters
|
Specs
|
Results
|
| Appearance | Yellow-Green Powder | |
| melting point | 258~263ºC | 258~263ºC |
| content(HPLC) | ≥95% | ≥96% |
| Drying weightlessness | ≤0.5% | ≤0.5% |
| Water content | ≤0.5% | ≤0.5% |
| heavy metal | ≤10ppm | ≤10ppm |
| Arsenic | ≤2.0ppm | ≤2.0ppm |
| Lead | ≤1.0ppm | ≤1.0ppm |
| Cadmium | ≤2.0ppm | ≤2.0ppm |
| Mercury | ≤0.1ppm | ≤0.1ppm |
| Conclusion |
Conform to specification.
|
|
| Storage | Store in a cool and dry place, keep away from direct strong and heat. | |
| Shelf Life | Two years if sealed and store away from direct sun light. | |
){kind=link}