Product Discription: Quercetin, a bioflavonoid, is a powerful antioxidant that helps support your immune system. It is extracted from the dried buds of Sophorae Japonica. It provides a powerful antioxidant boost to help protect against harmful free radicals. People use it in supplements and medicine.

Product details

Introduction of puercetin  

English name: Quercetin

Variety: Sophora japonica L. extract powder

CAS No.:117-39-5

Molecular Formula: C15H10O7 

Molecular Weight:302.2357

Appearance:Yellow to green yellow fine powder

Active ingredients: Quercetin

Specification:98%,99% by UV

Use Part : Flower /seed

Mesh size:  100% Pass 80 Mesh

Test Method: UV


1, Quercetin may expel phlegm and arrest coughing, it can also be used as anti-asthmatic. 

2, Quercetin has anticancer activity, inhibits PI3-kinase activity and slightly inhibits PIP Kinase activity, reduces cancer cell growth via type II estrogen receptors.

3, Quercetin may inhibit histamine release from basophils and mast cells.

4, Quercetin may control the spread of certain viruses within the body.

5, Quercetin may help reduce tissue destruction.

6, Quercetin may also be beneficial in the treatment of dysentery, gout, and psoriasis

1. Applied in the food field, it has become a new raw material which used in food and beverage industry;

2. Applied in the health product field;

3. Applied in the pharmaceutical field.

Packaging & Delivery details:
Lead time: with 3-7days when receiving the confirmed payment.
Port: any port in China
MOQ:  1kgs
Net weight:  25kgs/drum
Gross weight:  28kgs/drum
Payment :  T/T, Paypal or alibaba payment, if you need other payment methods, please contact me.
Freight:  The freight cost will charge according to the destination detailed quantity
Storge:  Stored in dry and cool place, keep away from strong light and heat.
Shelf life:  Two years when properly stored.Product Discription

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