Sophora Japonica Extract Quercetin 95% 98% HPLC  

Product Name:Sophora Japonica Extract

Active ingredient:Quercetin

Specification:  95%  98%

Test method: HPLC

Appearance: Yellow fine powder

Molecular Formula:C15H10O

Molecular Weight: 302.23

CAS : 117-39-5 

What's plant source ? 

 Sophorae Japonica is native to eastern Asia, especially China and Japan. Others common names include Chinese pagoda tree, Styphnolobium japonicum, Japanese pagoda tree, and Chinese Scholar. Dried flowers and buds of Sophora japonica (Huai mi) are the main commercial source of two flavonoids, rutin and quercetin. It is traditionally used in China, Japan and Korea to stop bleeding. 

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.

How about the function for Quercetin?

1.It has good effect of expectorant, antitussive and antiasthmatic:

2.Decreasing blood pressure and blood fat;

3.Enhancing the resistance of the capillaries and reducing fragility of capillary;

4.Expanding coronary arteries and increasing coronary blood flow and so on:

5.Mainly used in the treatment of chronic bronchitis and it also has the role of adjuvant therapy 

in patients with coronary heart disease and high blood pressure. 

How to control quality?

Where to use for Quercetin?

Quercetin has a good expectorant, cough, and some asthma, for the treatment of chronic bronchitis. There are also lower blood pressure, increased capillary resistance, reduce capillary fragility, lowering blood pressure, expansion of coronary artery, increase coronary blood flow and so the role of adjuvant therapy for patients with coronary heart disease and high blood pressure.