Quercetin
Quercetin,another name:Sophora Japonica Extract.
【Physical character】Yellow powder or granular,slightly soluble in water.
【Main specification】
|
Assay: |
HPLC95% |
UV98% |
|
Specification: |
Dihydrate （9.0% ~ 12.0%） |
Anhydrate （≤4.0%） |
|
Appearance: |
Powder |
Granular |
【Botanical Source】 Sophora Japonica Buds
Related products
【Packaging】
Net weight ≤5kg, PE bag sealed, pack in Carton.
Net weight ≥5kg≤25kg, PE bag sealed,pack in Fibre Drum.
【Storage and transportation requirements】
Keep far away from fire and sunlight, dampness and keep in seal.Don't store and transport with toxic and harmful goods.
|
TESTITEM |
STANDARD |
RESULT |
|
Appearance |
Yellow |
Complies |
|
Loss on drying |
9.0%---12.0% |
Complies |
|
Mesh size |
95% pass 80 mesh |
Complies |
|
Assay |
≥95% |
Complies |
|
HEAVY METAL |
STANDARD |
RESULT(ICP-MS) |
|
Lead |
≤3ppm |
Complies |
|
Cadmium |
≤1ppm |
Complies |
|
Mercury |
≤0.1ppm |
Complies |
|
Arsenic |
≤1ppm |
Complies |
|
MICROBIOLOGICAL TEST |
STANDARD |
RESULT |
|
Total microbial count |
≤1000cfu/g |
Complies |
|
Yeast & mold |
≤100cfu/g |
Complies |
|
E.Coli |
Negative |
Negative |
|
Salmonella |
Negative |
Negative |
|
Other |
STANDARD |
RESULT |
|
Shelf life |
2 Years |
Complies |