high quality Rutin-Quercetin UV98% Quercetin,China Xi'an Rainbow price supplier

Quercetin

Product Name: Quercetin

Active Ingredients: Quercetin

 

Specification: 95%

Test Method: HPLC

Appearance: Yellow powder

CAS No.: 6151-25-3

Molecular Formula: C15H10O7

Indications and Applications:

Quercetin is a phytochemical that is part of the coloring found in the skins of Apples and red onions. Quercetin may expel phlegm and arrest oughing, it can also be used as antiasthmatic. Quercetin has anticancer activity, inhibits PI3-kinase activity and slightly inhibits PIP Kinase activity, reduces cancer cell growth via type II estrogen receptors. Quercetin may inhibit histamine release from basophils and mast cells.Quercetin may control the spread of certain viruses within the body. Quercetin may help reduce tissue destruction. Quercetin may also be beneficial in the treatment of dysentery, gout, and psoriasis.

TEST	STANDARD	RESULTS
Appearance	Yellow, crystalline powder	Yellow, crystalline powder
Solubility	Practically insoluble in water	Complies
	Soluble in aqueous alkaline sol.	Complies
Tests
Loss on drying	≤12.0%	10.89%
Sulphated ash	≤0.5%	0.32%
Melting point	305-315°C	310-312°C
Heavy Metal	≤20PPM	<10PPM
Mesh size	95% pass 80 mesh	100% pass 80 mesh
Assay (anhydrous substance) UV	≥98%	98.92%
Microbiological test
Total plate count	≤1000cfu/g	<1000cfu/g
Yeast & Mould	≤100cfu/g	<100cfu/g
E.Coli	Absent	Absent
Pseudomonas aeruginosa	Absent	Absent
Conclusion: the test results conform to 98% standard.

 

 

FUNCTION: Quercetin is a phytochemical that is part of the coloring found in the skins of apples and red onions. It has been isolated and is sold as a dietary supplement. Quercetin is a powerful antioxidant. It is also a natural anti-histamine, and anti-inflammatory. Research shows that quercetin may help to prevent cancer, especially prostate cancer.