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High Quality Sophora Japonica Extract 98% Quercetin

Quercetin is a flavonol compound with various biological activities and is also a pigment. The chemical formula is C15H10O7.
  • Quercetin
  • Sophora japonica Extract
  • Quercetin 95% 98%,Quercetin dihydrate 95%HPLC
  • Yellow powder
  • 117-39-5
  • C15H10O7
  • ISO,Halal,Kosher
  • Healthcare, Cosmetics, Medicine
  • 2 Years
  • 25kg/Drum
Availability:

Quercetin is widely present in the stem bark, flowers, leaves, buds, seeds and fruits of many plants, mostly in the form of glycosides.


Quercetin can scavenge free radicals in the body, anti-inflammatory, etc., and improve immunity.


Our quercetin and quercetin dihydrate is isolated and extracted from Sophora japonica with a purity of 98%. which can be used in medicine, health care, cosmetics, food additives. 


Product Name:Quercetin
CAS No.:117-39-5EINECS Number:204-187-1
Molecular formula:C15H10O7Melting point:314-317℃
Boiling point:642.4oCat 760 mmHgRefractive index:1.767
Density:1.799Water solubility:slightly soluble in water, easily soluble in alkaline aqueous solution.


Benefits of Quercetin


1. Fighting free radicals

Quercetin has antioxidant properties.


2. Reducing inflammation


3. Reducing the risk of cancer


4. Preventing neurological diseases


5. Relieving allergy symptoms


6. Preventing infections


7. Reducing the risk of heart disease


8. Lowering high blood pressure




                                                              Product Information

Product Name: Quercetin

Botanical Source: Sophora Japonica L.

Analysis

Specification

Result

Test method

Physical Description




Appearance

Yellow, crystalline powder

Complies

Visual

Odor

Characteristic

Characteristic

Organoleptic

Melting point

305-315℃

310℃

/

Particle size

100% pass 100 mesh

Complies

100 Mesh Screen

Solubility

Practically insoluble in water

Complies

/


Soluble in aqueous alkaline sol.

Complies

/

Chemical Tests




Identification

Must Positive

Positive

/

Assay ( Quercetin )

95.0% Min

95.32%

HPLC

Loss on drying

8-12%

9.97%

5g/105℃/2hrs

Sulphated Ash content

0.5% Max

0.34%

2g/525℃/3hrs

Heavy metals

10.0ppm Max

Complies

AAS

As

2.0ppm Max

Complies

AAS

Pb, Cd

1.0ppm Max

Complies

AAS

Hg

0.1ppm Max

Complies

AAS

Microbiology Control




Total plate count

1,000cfu/g Max

Complies

AOAC

Yeast & Mold

100cfu/g Max

Complies

AOAC

E. Coli

Absent

Absent

AOAC

Staphylocossue Aureus

Absent

Absent

AOAC

Pseudomonas aeruginosa

Absent

Absent

AOAC

Conclusion

Complies with the standards.

General Status

Non-GMO, ISO Certificated.

Packing and Storage

Packing: Pack in paper-carton and two plastic-bags inside.

Shelf life: 2 year when properly stored.

Storage: Store in a well-closed place with constant low temperature and no direct sun light.


1kg aluminum foil bag

5-10kg carton

25kg cardboard drum or iron drum

Or packaged according to customer requirements

Packing

Express(3-8 days)
DHL/TNT/Fedex
By Air(8-15 days)
To airport only,customer deal with customs clearance in destination airport ;Suitable for large quantity like 50kg to hundreds of kgs
Door to door(8-15days)
most efficient way under 100kg Special line service
By Sea(20-40 days)
To seaport only,customer deal with customs clearance in destination seaport; Suitable for large goods,hundreds of kgs to container;Cheaper but longer time.


OEM
Specification
Subcontract
100g 200g 250g 300g (Any other size also support customization)
Capsule
500mg 600mg (Any other size also support customization)
Tablets
100mg 500mg 750mg 1000mg (Any other size also support customization)

OEM-Capsules

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