Quercetin~ (q u e r e e t i n, QU; 3, 4, 5 ', 3 ', 4 'penta hydroxyl flavone) and its derivatives are widely distributed and have various biological activities in the plant kingdom. It exists in the flowers, leaves and fruits of many plants, mostly in the form of glucoside, such as rutin, quercetin, hypericin, etc. Quercetin can be obtained by acid hydrolysis.
- Product Details
- {{item.text}}
Quick Details
-
Variety:
-
Sophora Japonica Extract
-
Place of Origin:
-
Shaanxi, China
-
Brand Name:
-
No brand
-
Model Number:
-
HPS230110
-
Product Name:
-
Quercetin Powder
-
Appearance:
-
Greenish yellow powder
-
Specification:
-
98% UV
-
Storage:
-
Cool Dry Place Avoid Sunlight
-
Package:
-
1kg/bag, 15kg/drum
-
Particle Size:
-
95% Pass 80 Mesh
-
MOQ:
-
1 Kg
-
Sample:
-
Freely Offered
-
Other name:
-
Quercetin Dihydrate
-
Keyword:
-
Pure Quercetin powder
Quick Details
-
Form:
-
Powder
-
Extraction Type:
-
Solvent Extraction
-
Grade:
-
Food
-
Variety:
-
Sophora Japonica Extract
-
Place of Origin:
-
Shaanxi, China
-
Brand Name:
-
No brand
-
Model Number:
-
HPS230110
-
Product Name:
-
Quercetin Powder
-
Appearance:
-
Greenish yellow powder
-
Specification:
-
98% UV
-
Storage:
-
Cool Dry Place Avoid Sunlight
-
Package:
-
1kg/bag, 15kg/drum
-
Particle Size:
-
95% Pass 80 Mesh
-
MOQ:
-
1 Kg
-
Sample:
-
Freely Offered
-
Other name:
-
Quercetin Dihydrate
-
Keyword:
-
Pure Quercetin powder
Products Description
Common Name: Quercetin
Latin name Sophora flavescens Ait
Product Appearance: Yellow Acicular Crystal Powder
Molecular Weight: 302.236
CAS number: 117-39-5
EINECS No. : 204-287-1
Molecular Formula: C15H10
Difference between Rutin & Quercetin & L-rhamnose monohydrate & Glucose
COA
|
Product Name
|
Quercetin
|
|
|
Specification
|
98% UV, 95%HPLC
|
|
|
Extract Source
|
Sophora Japonica Extract
|
|
|
Appearance
|
Yellow or greenish-yellow, crystalline powder
|
|
|
Solubility
|
Practically insoluble in chloroform and ether
|
|
|
|
Infinitesimally soluble in cool water
|
|
|
|
Sparingly soluble in boiling ethanol and boiling water
|
|
|
|
Dissolves in solution of alkali hydroxides
|
|
|
Tests
|
|
|
|
Loss on drying
|
5.5%
|
|
|
Residue on Ignition
|
≤0.5%
|
|
|
Impurity quercetin
|
≤5%
|
|
|
Red pigments
|
≤0.004%
|
|
|
Heavy Metal
|
≤20ppm
|
|
|
Mesh Size
|
100% pass 80 mesh
|
|
|
Assay (anhydrous substance) by UV
|
≥95%
|
|
|
Microbiological test
|
|
|
|
Total plate count
|
≤1000CFU/g
|
|
|
Yeast & Mould
|
≤100CFU/g
|
|
|
E .Coli
|
Absent
|
|
|
Pseudomonas aeruginosa
|
Absent
|
|
Package&Shipping
Hot Searches
