Description:
1.Quercetin2.Specification: 98% Solvent Extraction
3.Test Method: UV
4.CAS NO.: 117-39-5
5.Grade:Pharmaceutical grade
Wellgreen Tech.--- Quercetin
1.ProductName:Quercetin
2.OtherNames:meletin, sophoretin
3.Appearance:Yellow-green fine Powder
4.ActiveIngredient: Quercetin
5.Specification:98%
6.Test Method:UV
7.CASNO.:117-39-5
8.ExtractionType: Solvent Extraction
9.MolecularFormula: C15H10O7
10.MolecularWeight: 302.23
11.Grade:Pharmaceutical grade
12.Part used: flower
Indications andApplications:
Quercetin is a phytochemical that is part of the coloringfound in the skins of apples and red onions. Quercetin may expelphlegm and arrest oughing, it can also be used as antiasthmatic.Quercetin has anticancer activity, inhibits PI3-kinase activity andslightly inhibits PIP Kinase activity, reduces cancer cell growthvia type II estrogen receptors. Quercetin may inhibit histamine release frombasophils and mast cells.Quercetin may control the spread ofcertain viruses within the body. Quercetin may help reduce tissuedestruction. Quercetin may also be beneficial in the treatment ofdysentery, gout, and psoriasis.
Effectiveness:
1.It has good expectorant, cough effect, and some asthma, for thetreatment of chronic bronchitis.
2. It canlower blood pressure, reduce capillary fragility, blood fat,expanse coronary artery, and increase capillary resistance coronaryblood flow, and other effects on the coronary heart disease andhypertension role of adjuvant therapy.
3.It canbeanti-tumor and anti-platelet aggregation.
4.It can inhibitplatelet aggregation and 5 - hydroxytryptamine (5-HT) releaseeffect.
5.It can be a major supplementary drug as the treatment of prostatecancer.
TEST | STANDARD | RESULTS |
Appearance | Yellow –green finepowder | Yellow –green finepowder |
Solubility | Practically insoluble inwater | Complies |
Soluble in aqueous alkalinesol. | 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 (anhydroussubstance) 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 resultsconform to 98% standard. | ||
Deliverymethod:
If there any further questionsor need some sample , please contact with me.
best wishes!
Wellgreen Technology Co.,Ltd.
Miss Laura Du
Mobilephone:86-15809181521
Tel:86-29-88453375
Fax:86-29-88352329
Zip code:710065
