High Quality Quercetin Dihydrate Sophora Japonica Extract 98% Quercetin Powder

Quercetin comes from dried flower buds of Sophora japonica L. The conventional content of natural sophora japonica extract is 95%,Quercetin, as an anti apoptotic and antioxidant, can protect many organs from damage, as well as anti-cancer, anti-inflammatory, antibacterial, anti-virus, hypoglycemic, hypotensive, immune function regulation and cardiovascular protection.
Quercetin also exists in apples, green tea, oranges, pears and green vegetables, with the highest content in Huaimi. We also supply locust rice extract rutin.

1. Acid hydrolysis: It is feasible to extract rutin from sophora japonica, and then produce Quercetin after Acid hydrolysis.
2. The extraction methods of rutin mainly include alkali extraction and acid precipitation, organic Liquid-liquid extraction and impregnation, of which alkali extraction and acid precipitation are the most practical. Select 0.05% NaOH solution to boil for 20 min, filter it while hot, extract it for 4 times in the same way, get the alkaline aqueous solution of rutin, add acid to separate it out, add acid to hydrolyze it after filtering to get Quercetin insoluble in water, filter, wash and dry to get Quercetin solid.
3. Enzyme conversion method:Enzymatic hydrolysis of rutin is used to prepare a large amount of Quercetin monomer with less content in plants. The operation is simple and safe, the whole process is economical and applicable, the output is large, suitable for industrial production, and the purity of the product is>90%, which can meet the needs of food and clinical application.
We an customize the packing include the private for you.

1. All of our ingredients meet strict quality and food safety standards, and surpass industry standards for purity and cleanliness.
2. Our food ingredients are certified to applicable organic standards: National Organic Program (NOP) and European Union (EU).
3. We use organic certificate who meet or exceed IFOAM standards and are accepted worldwide.
4. We also can provide ISO, HACCP, KOSHER certification.

1kg/bag (1kg net weight, 1.2kg gross weight, packed in an aluminum foil bag inside and paper carton outside ) or as per your request.

25kg/drum (25kg net weight,28kg gross weight; Packed in a cardboard-drum with two plastic-bags inside. Drum Size: 510mm high, 350mm diameter) ;
Storage: Storein 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.



                                                                                      >Get OEM service

1. Can I get some free sample of you herb extract?

Yes, we offer free sample to client but the shipping cost will be paid by client.

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 does your factory make sure the product quality?

First of all, we have about 10years experience in plant extract field, we already have a mature quality control procedure. Also we will final check before shipping to avoid any problem.

4.Can you do OEM for me?

We accept OEM orders, just contact us and send us your request. We will offer you a reasonable price and make samples ASAP.

5. How to get in touch with us? You can chat with us by email, Skype and Whats-App or simply drop us an email, a phone call. All our contacts are shown in website.