Quercetin Dihydrate

Product name: Quercetin Dihydrate Quercetin, as the most common flavonoid, has a variety of biological activities and antioxidant activities. It plays an important role in the clinical treatment of cancer and cardiovascular disease. Quercetin also has good expectorant and antitussive effects. Description It is a yellow powder. It is soluble in hot ethanol (1:23), cold ethanol (1:300), soluble in methanol, ethyl acetate, glacial acetic acid, pyridine, etc., insoluble in petroleum ether, benzene, ether, chloroform, almost insoluble in water. Application It is a kind of expectorant commonly used in traditional Chinese medicine. Quercetin has good expectorant and antitussive effect, also has certain antiasthma effect, and has the pharmacological function of reducing blood pressure, improving capillary resistance, reducing capillary fragility, reducing blood lipid, dilating coronary artery and increasing coronary artery blood flow. Clinical quercetin is mainly used in bronchitis and sputum inflammation. It also has auxiliary therapeutic effect on patients with coronary heart disease and hypertension. Specification Appearance Yellow powder Melting point 305℃~315℃ Reducing sugars Not be detected Sulfate ≤1000ppm Chloride ≤1000ppm Heavy metals ≤10ppm Sulphated Ash ≤0.30% Water ≤12.0% Assay by HPLC ≥95.0% Total plate count ≤1000cfu/g Mildew & Yeast ≤100cfu/g E.Coli Negative Salmonella Negative Coliforms ≤10cfu/g Arsenic ≤1ppm Mercury ≤0.1ppm Cadmium ≤1ppm Lead ≤3ppm Packing 25kg/ drum or as customer requirements. Storage Store in a well-closed container. Away from moisture, light, oxygen.