Certification: | BRC, ISO, HACCP |
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Storage Method: | Normal |
Extraction Process: | Physical |
Application: | Cosmetics, Food, Health Care Products |
State: | Powder |
Extract Source: | Sophorajaponica |
Samples: |
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Customization: |
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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
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 : |
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Total of bacteria |
≤1000cfu/g |
Complies |
Fungi |
≤100cfu/g |
Complies |
Salmgosella |
Negative |
Complies |
Coli |
Negative |
Complies |