Basic Info.
Certification
BRC, ISO, HACCP
Extraction Process
Physical
Application
Cosmetics, Food, Health Care Products
Extract Source
Sophorajaponica
Other Name
Stevia Leaf Extract Stevioside
Garde
Food Grade,Cosmetic Grade
Particle Size
95% Pass Through 60 Mesh
Transport Package
25kg/Drum
Product Description
Product Description
English name: Quercetin
CAS No.:117-39-5
Molecular Formula: C15H10O7
Molecular Weight:302.2357
Appearance:Yellow to green yellow fine powder
Active ingredients: Quercetin
Specification:98%,99% by UV
Use Part : Flower /seed
Mesh size: 100% Pass 80 Mesh
Test Method: UV
Detailed Photos
Product Parameters
Analysis | Specification | Results |
Assay (UV) | ≥98% | 98.2% |
Identification | Positive | Complies |
Melting Point | 310ºC | 305ºC~315ºC |
Appearance | Yellow powder | Complies |
Ash | ≤5.0% | 1.65% |
Moisture | ≤12.0% | 9.5% |
Pesticides | Negative | Complies |
Heavy metals | ≤10ppm | Complies |
Pb | ≤2.0ppm | Complies |
As | ≤2.0ppm | Complies |
Hg | ≤1.0ppm | Complies |
Odor | Characteristic | Complies |
Particle size | 95% through 80 mesh | Complies |
Microbioiogical : |
Total of bacteria | ≤1000cfu/g | Complies |
Fungi | ≤100cfu/g | Complies |
Salmgosella | Negative | Complies |
Coli | Negative | Complies |