Description
Free sample Wholesale Natural Quercetin Powder
Quercetin is a type of plant-based chemical, or phytochemical, known as a flavonoid (see also Phytochemicals). Good sources include apples, onions, teas, red wines, and many other foods. Quercetin is also available as a dietary supplement. Quercetin appears to have anti-inflammatory and antioxidant properties. It has been promoted as being effective against a wide variety of diseases, including cancer. While some early lab results appear promising, as of yet there is no reliable clinical evidence that quercetin can prevent or treat cancer in humans.
| Product name | Quercetin |
| Plant sources | Sophora Japonica Extract |
| Apperance | Yellow powder |
| Specification | 95%HPLC, 98%UV Quercetin |
| Test method | HPLC/UV |
| Shelf time | 2 years,keep away sunlight, keep dry |
1. Quercetin may also be beneficial in the treatment of dysentery.
2. Quercetin may control the spread of certain viruses within the body.
3. Quercetin is a naturally-occurring polar auxin transport inhibitor.
4. Quercetin is also a natural anti-histamine, and anti-inflammatory.
1.Applied in health supplement field
2.Applied in pharmaceutical field
3.Applied in Cosmetic field
| Items | Specification | Result |
| Quercetin | 98%UV | 98.02% |
| Organoleptic | | |
| Appearance | Fine Powder | Conforms |
| Color | Yellow powder | Conforms |
| Odor | Characteristic | Conforms |
| Taste | Characteristic | Conforms |
| Physical Characteristics | | |
| Particle Size | NLT 100% Through 80 mesh | Conforms |
| Loss on Drying | <=12.0% | Conforms |
| Ash (Sulphated Ash) | <=0.5% | Conforms |
| Total Heavy Metals | ≤10ppm | Conforms |
| Microbiological Tests | | |
| Total Plate Count | ≤10000cfu/g | Conforms |
| Total Yeast & Mold | ≤1000cfu/g | Conforms |
| E.Coli | Negative | Negative |
| Salmonella | Negative | Negative |
| Staphylococcus | Negative | Negative |
| Weight | Packing method |
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs,25kg or more | by Drums or carton (3 layers plastic bag inside) |
| Weight | Delivery mothod | Delivery time | Destination |
| 1kg-25kgs | EMS,DHL,UPS,Fedex,TNT | 3-7days | Door to door |
| 25kgs-100kgs | DHL,FedEx,by Air | 3-7days | Door to door
(to Airport by Air) |
| more than 100kgs | by Air | 3-7days | Door to Airport |
| by Sea | 10-35days | Door to port |
1. How do you confirm product quality before order?
Free samples can be provided for your evaluation before ordering, and COA can be supplied of each batch products.
2. Can i get free samples?
Yes, Free samples 1-30grams available based on product value.
3. How long can i get my order?
Usually, the order will send within 1-3days after payment.
Shipping can by International Express(3-8days), by Air(3-5days), by Sea(8-35days) based on quantity and destination, or by your forwarder.
4. How is your customer service?
We provide 24-hour online service by Made in China, or by email, Skype, Whatsapp, telephone.
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