Model NO.: TR51
Color: Brown Fine Powder
Brand: Tianrui
Packaging Material: Plastic
Storage Method: Normal
Extraction Process: Physical
Raw Material: Plants
Trademark: TR
Transport Package: 25kg Per Drum with Plstic Bag
Specification: ISO
Origin: Xi′an
Model NO.: TR51
Color: Brown Fine Powder
Brand: Tianrui
Packaging Material: Plastic
Storage Method: Normal
Extraction Process: Physical
Raw Material: Plants
Trademark: TR
Transport Package: 25kg Per Drum with Plstic Bag
Specification: ISO
Origin: Xi′an
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Basic Informations:
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Product Name: Quercetin
Latin Name:Sophora japonica
Orgin:the buds of sophora japonica L.
Active Ingredients:Rutin
Appearance:Light yellow crystalline powder
Specification:95%,98% Rutin by HPLC
Extract Method:Grain alcohol
Testing Method:HPLC
Molecular Formula:C17H30O16
Molecular Weight:610.51
Melting Point:176-1780
Synonyms:Rutoside,quercetin-3-rutinoside and sophorin
Descriptions:
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Quercetin is a flavonoid widely distributed in nature. The name has been used since 1857, and is derived from quercetum(oak forest), after Quercus.[3][4] It is a naturally occurring polar auxin transport inhibitor.
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Specifications:
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Â
|
Item |
Specification |
Result |
|
Assay (Anhydrous substance) Â |
95.0%-101.5% |
95.2% |
|
Appearance |
Yellow, crystalline powder |
Conforms |
|
 Solubility |
Practically insoluble in water, Soluble in aqueous alkaline sol. |
 Conforms |
|
Loss on drying |
≤12.0% |
10.95% |
|
Sulphated ash |
≤0.5% |
0.14% |
|
Melting point |
305-315°C |
310-312°C |
|
Total Heavy Metals |
≤10ppm |
Conforms |
|
Pb |
≤3.0ppm |
Conforms |
|
As |
≤2.0ppm |
Conforms |
|
Hg |
≤0.1ppm |
Conforms |
|
Cd |
≤1.0ppm |
Conforms |
|
Microbiological |
 |
 |
|
Total Plate Count |
≤1000cfu/g |
Conforms |
|
Total Yeast &Â Mould |
≤100cfu/g |
Conforms |
|
E. Coli |
Negative |
Negative |
|
Salmonella |
Negative |
Negative |
Contact with us
 If you are interested in our company products, welcome inquiry!
Tel: +86-181-9112-4560
Â
Basic Informations:
Â
Product Name: Quercetin
Latin Name:Sophora japonica
Orgin:the buds of sophora japonica L.
Active Ingredients:Rutin
Appearance:Light yellow crystalline powder
Specification:95%,98% Rutin by HPLC
Extract Method:Grain alcohol
Testing Method:HPLC
Molecular Formula:C17H30O16
Molecular Weight:610.51
Melting Point:176-1780
Synonyms:Rutoside,quercetin-3-rutinoside and sophorin
Descriptions:
Â
Quercetin is a flavonoid widely distributed in nature. The name has been used since 1857, and is derived from quercetum(oak forest), after Quercus.[3][4] It is a naturally occurring polar auxin transport inhibitor.
Â
Specifications:
Â
Â
|
Item |
Specification |
Result |
|
Assay (Anhydrous substance) Â |
95.0%-101.5% |
95.2% |
|
Appearance |
Yellow, crystalline powder |
Conforms |
|
 Solubility |
Practically insoluble in water, Soluble in aqueous alkaline sol. |
 Conforms |
|
Loss on drying |
≤12.0% |
10.95% |
|
Sulphated ash |
≤0.5% |
0.14% |
|
Melting point |
305-315°C |
310-312°C |
|
Total Heavy Metals |
≤10ppm |
Conforms |
|
Pb |
≤3.0ppm |
Conforms |
|
As |
≤2.0ppm |
Conforms |
|
Hg |
≤0.1ppm |
Conforms |
|
Cd |
≤1.0ppm |
Conforms |
|
Microbiological |
 |
 |
|
Total Plate Count |
≤1000cfu/g |
Conforms |
|
Total Yeast &Â Mould |
≤100cfu/g |
Conforms |
|
E. Coli |
Negative |
Negative |
|
Salmonella |
Negative |
Negative |
Contact with us
 If you are interested in our company products, welcome inquiry!
Tel: +86-181-9112-4560
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