- Product Details
- {{item.text}}
Quick Details
-
Part:
-
root
-
Place of Origin:
-
China, Shaanxi China
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Brand Name:
-
klife
-
Model Number:
-
klife
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purity:
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99%
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Product Name:
-
Quercetin Powder
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Effectives:
-
Health Food
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Storage:
-
Cool Dry Place
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Shelf Life:
-
2 years
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Appearance:
-
Bright Yellow Powder
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MOQ:
-
100g
-
Test Method:
-
HPLC UV
Quick Details
-
Form:
-
Powder
-
Extraction Type:
-
Solvent Extraction
-
Grade:
-
food
-
Part:
-
root
-
Place of Origin:
-
China, Shaanxi China
-
Brand Name:
-
klife
-
Model Number:
-
klife
-
purity:
-
99%
-
Product Name:
-
Quercetin Powder
-
Effectives:
-
Health Food
-
Storage:
-
Cool Dry Place
-
Shelf Life:
-
2 years
-
Appearance:
-
Bright Yellow Powder
-
MOQ:
-
100g
-
Test Method:
-
HPLC UV
product presentation
Product Name:Quercetin
Specification:
1.Quercetin 95% HPLC
2:Quercetin 98% UV
Test Method:HPLC,UV
Specification:
1.Quercetin 95% HPLC
2:Quercetin 98% UV
Test Method:HPLC,UV
ITEM
|
SPECIFICATION
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METHOD
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|
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Physical Description
|
|
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Appearance
|
Yellow crystalline powder
|
Visual
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|
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Odor
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Characteristic
|
Organoleptic
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|
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Taste
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Characteristic
|
Olfactory
|
|
|
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Melting point
|
305-315℃
|
CP2015
|
|
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Particle size
|
95%-99%% through 80 mesh
|
CP2015
|
|
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Chemical Tests
|
|
|
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Kaempferol
|
≥95%
|
HPLC
|
|
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Loss on drying
|
8.0%-12%
|
CP2015 (105 oC, 3 h)
|
|
|
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Ash
|
≤0.5 %
|
CP2015
|
|
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Total Heavy Metals
|
≤10 ppm
|
CP2015
|
|
|
||
Cadmium (Cd)
|
≤1 ppm
|
CP2015(AAS)
|
|
|
||
Mercury (Hg)
|
≤1 ppm
|
CP2015(AAS)
|
|
|
||
Lead (Pb)
|
≤2 ppm
|
CP2015(AAS)
|
|
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Arsenic (As)
|
≤2ppm
|
CP2015(AAS)
|
|
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||
Microbiology
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|
|
|
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Total plate count
|
≤1000 CFU/g
|
CP2015
|
|
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Yeast & mold
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≤100 CFU /g
|
CP2015
|
|
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E.coli
|
Negative
|
CP2015
|
|
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Salmonella
|
Negative
|
CP2015
|
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