| Customization: | Available |
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| Certification: | RoHS, BRC, ISO, FDA, HACCP, ISO22000, Halal |
| Assay Method: | HPLC-MS, HPLC, UV |
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Quercetin is a flavonoid compound widely distributed in the plant kingdom and has a variety of biological activities. Quercetin is widely found in stem bark, flowers, leaves, buds, seeds, and fruits of many plants. Exist in the form of glycosides.
| Product name | quercetin powder/capsule | |
| ANALYSIS ITEMS | SPECIFICATION | TEST METHOD |
| Appearance | Crystalline powder | Organoleptic |
| Color | Yellow green | Visual |
| Odour & Taste | Characteristic | Organoleptic |
| Identification | Identical to R.S. sample | HPTLC |
| Quercetin | NLT 95.0% | HPLC |
| Extract ratio | 12:01 | |
| Solubility | Practically insoluble in water | |
| Hydrocarbons PAHs | ≤ 50 ppb -Reg.UE 1933/2015 | GC-MS |
| Benzo(a)pyren | ≤ 10 ppb -Reg.UE 1933/2015 | GC-MS |
| Radioactivity | ≤ 600 Bq/Kg -Reg. CE 1409/2009 | |
| Apparent density | ≥ 0.15g/ml | |
| Sieve Analysis | 100% through 80 mesh | USP39 <786> |
| Loss on drying | ≤ 12.0% | Eur.Ph.9.0 [2.5.12] |
| Total Ash | ≤ 0.5% | Eur.Ph.9.0 [2.4.16] |
| Lead (Pb) | ≤ 3.0 mg/kg | Eur.Ph.9.0<2.2.58>ICP-MS |
| Arsenic (As) | ≤ 1.0 mg/kg | Eur.Ph.9.0<2.2.58>ICP-MS |
| Cadmium(Cd) | ≤ 1.0 mg/kg | Eur.Ph.9.0<2.2.58>ICP-MS |
| Mercury(Hg) | ≤ 0.1 mg/kg -Reg.EC629/2008 | Eur.Ph.9.0<2.2.58>ICP-MS |
| Heavy metal | ≤ 10.0 mg/kg | Eur.Ph.9.0<2.4.8> |
| Solvents Residue | Conform Eur.ph. 9.0 <5,4 > and EC European Directive 2009/32 | Eur.Ph.9.0<2.4.24> |
| Pesticides Residues | Conform Regulations(EC) No.396/2005 including annexes and successive updates Reg.2008/839/CE | Gas Chromatography |
| Aerobic bacteria(TAMC) | ≤1000 cfu/g | USP39 <61> |
| Yeast/Moulds(TAMC) | ≤100 cfu/g | USP39 <61> |
| Bile-tol.gram- b./Enterobact.: | ≤100 cfu/g | |
| Escherichia coli: | Absent in 1g | USP39 <62> |
| Salmonella spp: | Absent in 25g | USP39 <62> |
| Staphylococcus aureus: | Absent in 1g | |
| Listeria Monocytogenens | Absent in 25g | |
| Aflatoxins B1 | ≤ 5 ppb -Reg.EC 1881/2006 | USP39 <62> |
| Aflatoxins ∑ B1, B2, G1, G2 | ≤ 10 ppb -Reg.EC 1881/2006 | USP39 <62> |
1. Quercetin can expel phlegm and arrest coughing, it can also be used as anti-asthmatic.
2. Quercetin can inhibit histamine release from basophils and mast cells.
3. Quercetin can control the spread of certain viruses within the body.
4. Quercetin can help reduce tissue destruction.
5. Quercetin can also be beneficial in the treatment of dysentery, gout, and psoriasis.
1.It can applied in healthy care field .
2.It can applied in Cosmetic field.
3.It can applied in dustry field.
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About quercetin product, we can supply powder, capsule, gummy forms.
And we also supply customized packaging according customer inquire (Bags and bottles in various colors with private labels).
We undertake the customization business of healthy care products, including natural plant materials, customized packaging and labels to nutrition supplement. We can also make compound products, such as kidney body supplement capsules and tablets, solid drinks and tablet candies, gummy bears, liquld and so on.
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As a supplier of plant extracts for 15 years, we can guarantee the quality of products, we can provide different customized services.If you have any requirements, please contact us.
By the way, If there is a product quality problem, if the test is unqualified, there is after-sales guarantee,we can return and exchange the product free of charge, so that you have no worries.
We can supply International Express--Fedex/DHL/UPS, air shipping and sea shipping
Storage: Store in cool & dry place. Do not freeze. Keep away from strong light and heat.
Shelf life: two years when properly stored.
Shipping method: International express by air, by sea, UPS and EMS service.
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Cargo weight
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Packing
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Shipping method
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Lead-time
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1-50kg
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Below 5kg Use Foil bag;5-25kg use two layer PP bag,then into master carton or cardboard drum
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International express
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2~4 days after your payment
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100-200kg
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25kg/drum,use two layer PP bag,then into cardboard drum
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Air shipping Sea Shipping |
3~7 days after your payment
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Over 500kg
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25kg/drum,use two layer PP bag,then into cardboard drum
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Sea shipping
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5~15 days after your payment
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Xi'an Haoze Biotechnology Co., Ltd. Established in 2014, is a professional company engaged in the research, development, sales of health care material, cosmetics material and food additive ingredients. We are located in Xi'an City in the middle of China, which is back to Qinling Mountain, have a huge natural resources with convenient transportation.
We have excellent team who focus on product development & design, quality control & inspection, and company running. Dedicated to strict quality control and thoughtful customer service. There is a whole production line with extracting, column chromatography, reaction still, spray dry, freeze dry and vacuums dry equipment, it could produce 350kg finished product per hour, the annual production capacity is 2500-3000 tons. Also we have a full-scale of testing facility which are UV, HPLC, TLC and others. We own a GMP medical clean room which cover an area of 2000 m2, and have research project with our local collage or institution every year. In addition, we have obtained ISO22000, HALAL and Kosher certificates to support different customer's request. We also welcome OEM and ODM orders. "Top Quality, Customer First" is our conviction, and we implement the principle of "high standards, safe & fast delivery, good service" to create a mutual benefit partnership with customers. We warmly welcome overseas customer to establish long-term cooperation.
1. Can I get some free sample?
Yes, we offer free sample to client and you only need to pay the freight.
2. How to make payment and what is the payment term?
Payment can be done by T/T, Credit Card, Western Union, PayPal and more.
3. How about delivery time?
Delivery time is about 3-5 days after payment made. But this need to be checked with sales person if there is stock.
4. Is there any discount?
Yes, some of the products is apply for discount, but it depends on the quantity.
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