Sophora Japonica Extract,Quercetin 

Part of used:Flower

Test Method:HPLC

Active ingredient:Quercetin

Specs Available:90-99%

Odor:Characteristic

Appearance:Light yellow powder

CAS NO.:117-39-5

Molecular Weight:302.24

Molecular Formula:C15H10O7

Description of Sophora Japonica Extract,Quercetin 

What is Organic Quercetin,Quercetin Powder

Quercetin, also known as quercetin, quercetin dissolved in glacial acetic acid, alkaline aqueous solution was yellow, almost insoluble in water, ethanol solution taste bitter. Quercetin can be used as drugs, has a good expectorant, cough effect, and some asthma. Quercetin also used for lowering blood pressure, increasing capillary resistance, reducing capillary fragility, expansion of coronary artery, Quercetin play the role of the increase in coronary blood flow. For the treatment of chronic bronchitis. Quercetin is usefull of adjuvant therapy in patients with coronary heart disease and hypertension.

Quercetin is a potent antioxidant and has anti-inflammatory activity,protecting cellular structures and blood vessels from the damaging effects of free radicals. It improves blood vessel strength. Quercetin inhibits the activity of catechol-O-methyltransferase that breaks down the neurotransmitter norepinephrine. This effect may lead to elevate the levels of norepinephrine and an increase in energy expenditure and fat oxidation. It also means quercetin acts as an antihistamine leading to the relief of allergies and asthma. As an antioxidant, it reduces LDL cholesterol and offers protection from heart disease.

Function of Sophora Japonica Extract,Quercetin 

1.Quercetin is used for treating conditions of the heart and blood vessels including "hardening of the arteries" (atherosclerosis), high cholesterol, heart disease and circulation problems.

2.Quercetin is also used for diabetes, cataracts, hay fever, peptic ulcer, schizophrenia, inflammation, asthma, gout, viral infections, chronic fatigue syndrome(CFS), preventing cancer and for treating chronic infections of the prostate.

3.Quercetin is also used to increase endurance and improve athletic performance.

Application of Sophora Japonica Extract,Quercetin 

1.Applied in pharmaceutical field, it is usually made into tablets, capsule and granule to

warm the kidney, strengthen the spleen and enhance human immunity;

2.Applied in food field, it is mainly used in kinds of beverage, liquor and foods to enhance human immunity and anti-aging.

Q&A:

1.Are you a manufacturer or trade company
We have our own factory which located in Zhejiang,China.Meanwhile,we also have many parter factorier,so we can supply many kinds of relative products with very competitive price and good quality.

2.How  to start an order

After negoation and communication about the price,quantity,incoterm,etc.,you give me the order contract with stamp,then I sealed it ,send back to you,also give you the proforma invoice,you can arrange the payment according the PI.

3.What’s your payment terms

If sample,small amount: T/T in advance, ,Paypal.
If commercial order ,big amount: T/T in advance,L/C at sight.

4.Can I get a free sample

If this product is not very expensive,and you demand a small sample,we can supply free sample,but not including the shipping cost,you can provide a freight collect account or arrange the shipping cost by Paypal/Westunion.

5.What's the lead time
Generally we send out your order ASAP after payment,normally

small quanitity,3-5days.

big quanitity with stock,5-7days,

if without stock,we have to calculate the production period,then give you the lead tme.

6.How do you ship the order normally

If less than 50kg,will be shipped by express,such as FEDEX,DHL.

If above 50kg,we can ship it by air or sea
For very large quantity,ship it by sea will be the best choice.

7.How do you ensure the quality of your products
Strict QC with 6 steps testing from raw material purchase to finished product.

Meanwhile,we will responsible for the goods quality after be sold.