Hot Selling 99%Quercetin Powder In Stock CAS 117-39-5 CAS NO.117-39-5

Xi'an ZB Biotech Co., Ltd is specialized in researching, producing and selling herbal extract and API powder, which are mainly used in nutraceutical, cosmetic, beverage and food additives etc.

Owing plant base, extracting and purifying in GMP workshop, concentrating on the quality and cost each link. That XAZB Biotech is aiming of benefiting the world with lowest price but best products.

We are keeping overcritical on the quality and persisting in the profession all the time. XAZB owns two standardized production workshops, advanced multifunction extractors and juice concentrate equipment, covering 12,000m2. annual dried material processed 950MT, monthly production ability 60MT. 32 scientists are in R&D team. We have strict QC standards and perfect quality guarantee system, GMP certified, also FDA, ISO9001 and Halal certified. 

We also build an integrative marketing center in Xi'an city, China, involving in research, test, sale and service. With full qualification and exporting experience, our products are widely sold to more than 40 countries from Europe, America, Southeast Asia, Oceania and so on

Quercetin is an expectorant drug commonly used in clinical practice of traditional Chinese medicine in my country. This product has good expectorant and cough-relieving effects, and also has a certain anti-asthma effect. It can also lower blood pressure, improve capillary resistance, and reduce capillary Pharmacological functions of fragility, lowering blood fat, dilating coronary arteries, and increasing coronary blood flow. Clinical quercetin is mainly used for bronchitis and phlegm inflammation. It also has an adjuvant therapeutic effect on patients with coronary heart disease and hypertension. Using this product may cause dry mouth, dizziness and burning sensation in the stomach area, which will disappear after stopping the drug. Quercetin is widely found in angiosperms, such as red pipe medicine, cat's eye grass, iron-clad gold, mansanhong, loquat loquat, azalea, zhaoshanbai, low ground tea, and apocynum. It is a glycoside This kind of aglycone often exists in the form of glycosides combined with sugar, such as quercetin, rutin, hyperin, etc.

1. Quercetin not only participates in anti-oxidation in vitro, can inhibit DNA oxidative damage, but also protects tissues from oxidative damage in vivo by reducing the concentration of peroxides in tissues.
2. On the one hand, quercetin can effectively inhibit the generation of free radicals. Its flavonoids such as quercetin can significantly reduce the incidence of gastric cancer, directly inhibit the growth of cancer cells or may act on the cell transduction pathway of cancer cell proliferation.

1. Antioxidants. Mainly used in oil, beverage, cold drink, meat processing products.
2. It has good effects of eliminating phlegm, relieving cough and relieving asthma. It is used to treat chronic bronchitis, and also has auxiliary therapeutic effect on patients with coronary heart disease and hypertension.