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Natural Sophora Japonica Extract , Pure Plant Extracts 95% Quercetin Antioxidant

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Natural Sophora Japonica Extract , Pure Plant Extracts 95% Quercetin Antioxidant

China Natural Sophora Japonica Extract , Pure Plant Extracts 95% Quercetin Antioxidant supplier

Large Image :  Natural Sophora Japonica Extract , Pure Plant Extracts 95% Quercetin Antioxidant

Product Details:

Place of Origin: China
Brand Name: PooChun
Model Number: CAS 117-39-5

Payment & Shipping Terms:

Minimum Order Quantity: Negotiable
Price: Negotiable
Packaging Details: 1~10kg / Al-Pt bag, 10kg / 25kg fiber drum
Delivery Time: 1-3days after payment
Payment Terms: T/T, L/C
Supply Ability: 5000kg per Month
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Detailed Product Description
Variety: Sophora Japonica Extract Part: Buds
Specification: 95% Quercetin Appearance: Yellow Powder
Extraction Type: Liquid-Solid Extraction Other Name: 3,3',4',5,7-Pentahydroxyflavone
Trade Terms: FOB CNF CIF DAP DDU Shipping: DHL TNT FedEx EMS UPS By Sea By Air
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Sophora japonica extract Natural Plant Extracts 95% Quercetin for antioxidant and Anti-inflammatory





Quercetin, a member of the flavonoids family, exerts many beneficial health effects, including
Improvement of cardiovascular health,
Reducing risk for cancer,
Protection against osteoporosis
Has anti-inflammatory, anti-allergic and antitoxic effects.
Most of these properties are linked to its strong antioxidant action of quercetin but quercetin also modulates the expression of specific enzymes. Quercetin induces apoptosis and influences protein and lipid kinase signaling pathways. Quercetin is a candidate for preventing obesity-related diseases.


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




a. Quercetin is a powerful antioxidant.

b. It is also a natural anti-histamine.

c. Anti-inflammatory.

d. Prevent cancer, especially prostate cancer.




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.





Quercetin 95% Quercetin(HPLC)
Part Used Buds Solvents Used Water & Ethanol
Botanical Source Sophora Japonical. Country of Origin China
Physical&Chemical Data
Color Yellow Organoleptic
Odor & taste Characteristic Organoleptic
Appearance Fine Powder Organoleptic
Analytical Quality
Identification Identical to R.S.sample HPTLC
Quercetin ≥95.0% HPLC
Sieve analysis 100% through 80 mesh USP34<786>
Water(KF) ≤12.0% Eur.Ph.7.0<2.5.12>
Total Ash ≤1.0% Eur.Ph.7.0<2.4.16>
Lead (Pb) ≤3.0 mg/kg Eur.Ph.7.0<2.2.58>ICP-MS
Arsenic (As) ≤2.0 mg/kg Eur.Ph.7.0<2.2.58>ICP-MS
Mercury (Hg) ≤0.1 mg/kg Eur.Ph.7.0<2.2.58>ICP-MS
Cadmium (Cd) ≤1.0 mg/kg Eur.Ph.7.0<2.2.58>ICP-MS
Solvents Residue Meet Eur.Ph.7.0 <5.4> Eur.Ph.7.0<2.4.24>
Pesticides Residue Meet USP34<561> USP34<561>
Non irradiated ≤700 EN13751:2002<PSL>
  Irradiation Non irradiated  
Total Plate Count ≤1000cfu/g ≤10000cfu/g USP34<61>
Yeast&Mold ≤100cfu/g ≤1000cfu/g USP34<61>
E.coli. Negative Negative USP34<62>
Salmonella Negative Negative USP34<62>



Natural Plant Extract Herbal Ingredients product list


Product name

Specification Indications
L-5-HTP 99% L-5-HTP HPLC Memory support
Trans-resveratrol 98.0% Resveratrol HPLC Anti-cancer
Quercetin 95.0% Quercetin HPLC Antioxidant
Amygdalin 98.0% Amygdalin HPLC Improve Memory
Rutin EP/NF11/DAB Version Anti-inflammatory,antioxidant
Hesperidin 98.0% Hesperidin HPLC Antioxidant
Shikimic Acid 98.0% Shikimic Acid HPLC Intermediate
Icariin 98.0% Icariin HPLC Anti-rheumatism,Impotence
Yohimbine HCL 98.0% Yohimbine HPLC Vasodilator, Aphrodisiac.
Naringin 98.0% Naringin HPLC Antioxidant
Synephrine 98.0% Synephrine HPLC Improve bone metabolism
Saliciin 98.0% Saliciin HPLC Inflammation-relieving
Raspberry Ketone 98.0% Raspberry Ketone HPLC Weight loss
Diosmin 9.0% Diosmin HPLC Anti-inflammatory
Puerarin 98.0% Puerarin HPLC Anti-hypertension
Curcumin 95.0% Curcumin HPLC Anti-inflammatory
Daidzein 98.0% Daidzein HPLC Antioxidant
Luteolin 98.0% Luteolin HPLC Anti-leishmanial
Apigenin 98.0% Apigenin HPLC Anti-inflammatory
Troxerutin 95.0% Troxerutin HPLC Inhibit platelet aggregation
Genistein 98.0% Genistein HPLC Anti-estrogenic
Evodiamine 98.0% Evodiamine HPLC Increases metabolism
Ecdysterone 95.0% Ecdysterone HPLC immunomodulator.
Indole-3-Carbinol 98.0% Indole-3-Carbinol HPLC Anticarcinogenic
Berberine hydrochloride 98.0% Berberine HCl HPLC Anti-Bacteria
Diosmetin 98.0% Diosmetin HPLC Antioxidant, Anti-infection
Paeoniflorin 98.0% Paeoniflorin HPLC Anti-inflammation

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Shanghai Poochun Industry Co.,Ltd

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