(4) Indications and uses:
1. It has strong antioxidant properties. It also has good properties of chelating metal ions, such as iron ions, thereby reducing the Fenton reaction (the production of damaging oxygen free radicals).
2. It can strengthen capillaries and help people who are prone to bruising or bleeding under the skin. Studies have shown that it can help prevent venous edema (an early sign of chronic venous disease in the legs)
3. It has an anti-inflammatory effect. Animal experiments have shown that it has the function of preventing infection and helping recovery.
4. It is said that it can inhibit some of the cancer cells and indicate the precancerous state.
5. May help prevent atherosclerosis and reduce the cytotoxicity of oxidized low-density lipoprotein cholesterol.
(5) CAS number: 117-39-5; molecular formula: C15H10O7; molecular weight: 302.236
Why us?
● Made in China, using own planted raw material to make premium products
● Fast lead times
● 9 – step quality control process
● Highly experienced operations and quality assurance staff
● Stringent in-house testing standards
● Warehouse both in USA and China, fast response
Typical COA: Specification 95%HPLC
|
Analysis
|
Specification
|
Method
|
|
Assay（Quercetin）
|
≥95.0%
|
HPLC
|
|
Appearance
|
Yellow Powder
|
Visual
|
|
Odor
|
Characteristic
|
Organoleptic
|
|
Taste
|
Characteristic
|
Organoleptic
|
|
Sieve Size
|
90% pass 80mesh
|
Complies
|
|
Loss on drying
|
≤12.0%
|
CP2015
|
|
Sulphated ashes
|
≤0.50%
|
CP2015
|
|
Heavy Metals
|
|
Total
|
≤20ppm
|
CP2015
|
|
Microbiological Control
|
|
Total Plate Count
|
NMT1000cfu/g
|
CP2015
|
|
Yeast & Mold
|
NMT100cfu/g
|
CP2015
|
|
E.Coli
|
Negative
|
CP2015
|
Packing and Storage
Packing: 25kgs/drum. Packing in paper-drums and two plastic-bags inside.
Storage:Store in a well-closed container away from moisture, sun light, or heat.
Shelf Life:2 years.