Quercetin 98% Sophora Japonica Extract (CAS 117-39-5)

SpecificationsQuercetin
Quercetin Extract Powder 98% by HPLC
Latin name: Quercus iberica
Appearance: Light yellow powder
Specification:98% Quercetin
Extract Method:Grain alcohol
Description:
Quercetin is apotent 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. Quercetin blocks an enzyme that leads to accumulation of sorbitol, which has been linked to nerve, eye, and kidney damage in diabetics.
Function:
It has good expectorant, cough effect, and some asthma, for the treatment of chronic bronchitis.
It can lower blood pressure, fragility, blood fat, expanse coronary artery, and increase capillary resistance coronary blood flow, and other effects on the coronary heart disease and hypertension role of adjuvant therapy.
It can beanti-tumor and anti-platelet aggregation.
It can inhibit platelet aggregatireduce capillaryon and 5- hydroxytryptamine (5-HT) release
Quercetin is pentahydroxyflavone achieved from rutin which is hydrolyzed by dilute sulphuric acid.
This product has functions of eliminating phlegm, relieving cough and acertain degree of relieving
asthma. Meanwhile, it can reduce blood pressure, strengthen capillaries, decrease capillary fragility,
reduce blood lipid, dilate coronary artery, increase blood flow of coronary artery etc. It is used for the
treatment of chronic bronchitis, and the adjuvant therapy of coronary heart disease and hypertension.[Appearance] Light yellow needle crystal[Testing method] HPLC[Melting point and solubility] Resolving point: 314ºC. Very slightly soluble in diethyl ether,
not soluble in cold water, difficultly soluble in hot water. Solution is yellow when soluble in acetic
acid and alkaline solution.[Chemical substance] Flavonoid compounds[Effects and Functions]:
(1)It has good effect of expectorant, antitussive and antiasthmatic:
(2)Decreasing blood pressure and blood fat;
(3)Enhancing the resistance of the capillaries and reducing fragility of capillary;
(4)Expanding coronary arteries and increasing coronary blood flow and so on:
(5)Mainly used in the treatment of chronic bronchitis and it also has the role of adjuvant therapy
in patients with coronary heart disease and high blood pressure.ANALYSISSPECIFICATIONRESULTSAppearanceFine Brown powderCompliesOdorCharacteristicCompliesTastedCharacteristicCompliesAssay(Astragalosides)0.3%0.36%Sieve AnalysisNLT 90% through 80 meshCompliesLoss on Drying5% Max.3.27%Sulphated Ash5%Max3.52%Extract SolventWaterCompliesHeavy metal10ppm MaxCompliesAs2ppm MaxCompliesResidual Solvents0.05% Max.NegativeMicrobiologyTotal Plate Count1000/g MaxCompliesYeast &Mold100/g MaxCompliesE.ColiNegativeCompliesSalmonellaNegativeComplies(EYECHEM) Xi'an QingShuo import and export trade Co., Ltd. Is asource and supplier of plants ingredients by making use of local rich herbs resources and mature technology of plant extraction. We devote ourself to specialty food and nutraceutical industries. Such as herbs extracts, nutraceutical industries, pharmaceutical ingredients, food additives, cosmetics ingredients, agriculture husbandry ingredients, flavoring, etc.We have factory of 10 years history of production, Named "Xi'an QingYue biological technology Co., Ltd. (QINGHERB)". We have passed certification of KOSHER, HALAL, ISO9001 ISO22000, HACCP. In to try for GAP/GMP. Now, quality department has alot of advanced testing equipment, such as high performance liquid chromatography (HPLC), gas chromatography (GC), evaporative light-scattering light detector (ELSD), etc.Its main products are Cytisine, Aesculetin/Aesculin, Puerarin/Pueraria flavone, Epimedium P. E(Icariin/Flavone), Tabersonine, Fungus/Mushroom extract, Ginseng extract, Fruit extract, Sophora japonica P. E. Rutin, Quercetin, Genistein. Camptothecine.We hope to become your stable and reliable partner in the plant extract industry. We will do our best to offer you the latest information of China health products raw materials as your reference.Contact me anytime:Phone: +86 18966703985()
Mr. Alex Hao with 10 years of experience at plant extract Market of China