Product name: Quercetin
Specification: Quercetin Dihydrate powder or granular 85%~98%, Quercetin Anhydrous powder or granular 85%~98%
CAS NO.: 117-39-5 (Quercetin)
CAS NO.: 6151-25-3 (Quercetin Dihydrate)
Other names: 5,7,3′,4′-flavon-3-ol, Sophoretin, Meletin, Quercetine, Xanthaurine, Quercetol, Quercitin, Quertine, Flavin meletin
Extracted from: Rutin (Bud of Sophora Japonica L.)
Quercetin is widely found in the stem skin, flowers, leaves, buds, seeds and fruits of many plants, mostly in the form of glycosides, such as rutin, quercetin, hypericin, etc. Quercetin can be obtained by acid hydrolysis. Among them, in the buckwheat rod and leaves, sea buckthorn, hawthorn, onion content is higher. Quercetin is also found in many foods, including Onions, shallots, asparagus, cabbage, mustard greens, green peppers, chicory, grapefruit, lettuce, hawthorn, apples, mangoes, plums, radishes, blackcurrants, potatoes, and spinach. In addition, about 100 kinds of medicinal plants (such as sophora rice, platycypress leaves, galangal, coltsfoot, mulberry parasitic, panax notoginseng, ginkgo biloba, elderberry, etc.) contain this ingredient.
Specification Sheet:
| Product Name: |
Quercetin Dihydrate Powder |
Latin Name: |
Sophora Japonica L |
| Plant Used: |
Bud |
Country of Origin: |
China |
| ITEM |
SPECIFICATION |
RESULT |
| Appearance |
Yellow Powder |
Complies |
| Identification |
Must positive |
Positive |
| Loss on drying |
≤12.0% |
10.77% |
| Ash |
≤1.0% |
0.55% |
| Bulk density |
/ |
0.20g/ml |
| Tapped density |
/ |
0.31g/ml |
| Mesh size |
95%pass 80 mesh |
Complies |
| Heavy metals |
≤10ppm |
Complies |
| Arsenic(As) |
≤1ppm |
Complies |
| Lead(Pb) |
≤1ppm |
Complies |
| Cadmium(Cd) |
≤1ppm |
Complies |
| Mercury(Hg) |
≤0.5ppm |
Complies |
| Pesticide residue |
USP<561> |
Complies |
| Solvent residue |
≤5000ppm |
Complies |
| Quercetin Dihydrate (Dry basis) |
≥95.0% |
95.10% |
| Total Plate Count |
≤10000CFU/g |
<10CFU/g |
| Yeast &Mould |
≤1000CFU/g |
<10CFU/g |
| Escherichia Coli |
Negative |
Negative |
| Staphylococcus Aureus |
Negative |
Negative |
| Salmonella |
Negative |
Negative |
| Packing |
Pack in paper-drums and two food grade poly bags inside. Net weight: 25kg/drum |
| Storage condition |
Store in a well closed place with constant low temperature and no direct sun light |
| Shelf life |
Three years when properly stored |
Function:
1, Quercetin has good expectorant, cough, asthma, but also has a wide range of anti-fibrosis effect, long-term used in the treatment of chronic bronchitis;
2. Quercetin has antioxidant functions, such as preventing lipid oxidation, reducing glutathione consumption, improving antioxidant enzyme activity, and inhibiting lipid peroxidation to protect liver cells against alcohol oxidative damage. The protective effect shows a dose-time effect relationship;
3. Quercetin has anti-inflammatory effects, which can reduce the body's immune response to allergens, inhibit IgE mediated release from mast cells and IgG mediated release of histamine;
4, Quercetin has antibacterial effect, has a broad spectrum antibacterial activity, and the antibacterial effect on gram-negative bacteria is stronger than Gram-positive bacteria;
5. Quercetin can enhance skin color and protect skin;
6, Quercetin has the role of cardiovascular protection, can dilate blood vessels, reduce blood pressure, prevention and treatment of coronary heart disease, reduce myocardial hypertrophy, inhibit vascular smooth muscle cell hypertrophy, and anti-thrombus formation;
7, Quercetin has anticancer effect, has a good inhibitory effect on a variety of malignant tumors.
Application:
1. It can be used as a kind of antioxidant which is mainly used for oil, drinks, cold drinks, meat processing products.
2. It has good effects of expectorant, anti-cough, anti-asthma and can be used for treating chronic bronchitis as well as for adjuvant therapy of coronary heart disease and high blood pressure.
3. It can also be used as analytical standards
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Company Profile:
* Our History:
Jingxin Nutra Co., Ltd focus on the development of R&D, manufacturing and exporting of nutrition & health ingredients since 2012. Our products are widely used in the fields of nutraceutical, dietary supplements, health food, beverage, cosmetic and pharmaceutical.
We have been proudly serving lots of contract manufacturers, brand customers and distributors in the global, and keeping very stable cooperation relationships with our customers.
* Main Market:
Europe, Russia, the Middle East, Asia, North America, South America etc. more than 50 countries and regions.
* Our Factory:
Our factory is constructed strictly in accordance with cGMP standard, it covers about 15000 square meters, with the clean workshop of 10000 square meters..
We have both production lines of plant extracts and chemicals.
-> Production lines of Plant Extracts:
We have 100,000 grade fine drying and packaging workshop to ensure that the products are not polluted.
• Extraction: It has a variety of extraction equipment, including multifunctional extraction, continuous countercurrent extraction, etc., which can be applied to the extraction of various medicinal materials, processing 8,000 tons of herb annually.
• Separation and refining: According to the product and process requirements, centrifugation, precision filtration, continuous ion exchange and other methods for separation and refining, to obtain high purity extract.
• Drying: With spray drying, freeze drying, vacuum drying, microwave drying.
-> Production lines of Chemicals:
It is based on enzyme catalysis technology to produce synthethic chemicals.The production lines are equipped with R&D center, pilot plant, chemical reaction workshop, biological fermentation workshop, clean workshop etc and meets production quality management of cGMP, FSSC22000 and HACCP.
* Main Products:
Glutathione, L-Theanine, L-Melatonin, Alpha Lipoic Acid , β-Nicotinamide mononucleotide (NMN), Coenzyme Q10, L-Carnitine Base, Selachyl alcohol, Beta Glucan, 3,3'-diindolylmethane (DIM), Ascorbic Acid (Vitamin C), Vitamin B12, Sweeteners etc.
Tongkat Ali Extract, Rutin, Fisetin, Milk Thistle Extract, Ginkgo Biloba Extract, Grape Seed Extract, Berberine HCL, Resveratrol, Monk Fruit Extract, Stevia Extract etc.
* Products Application:
Nutraceutical, dietary supplement, food additives, Beverage, cosmetics and feed additives etc.
* Certificates:
ISO, KOSHER, HALAL etc.
* Quality Control:
We adhere to the orientation of 'Quality first" and strictly control the whole production process meet cGMP standard.
Our quality inspection center is equipped with physical and chemical room, Ultraviolet analysis room, Atomic absorption room, Atomic fluorescence room, Gas chromatography room, High Performance Liquid Chromatography room, balance room, High greenhouse, calibration room, bacteria examination room, Reagent room, stability laboratory, sample room and central laboratory.
The main testing capabilities include loss on drying, Ash, density, TLC, solubility, optical rotation, Transmittance, heavy metals, Lead, Arsenic, Calcium, Mercury, PH, protein, amino nitrogen, Assay, Purity, Solvent residue, Pesticide residue. Microbial detection includes detection of total Plate count, coliforms, yeasts and molds, salmonella, staphylococcus aureus etc.
We strictly test all products from source to finished products to ensure it meet customer's requirements.
* Our Service:
We provide raw material ingredients, Premix blend and OEM are avaliable too.
We have decades of the experience in these fields, could offer considerate, timely and professional service.
If the quality do not complies with customer's specification, we will undertake the responsibility and give customer a full refund.
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