Quercetin
Quercetin
Source: Dry flower buds from Sophora japonica L., prepared from enzymatic hydrolysis of Rutin.
Active Ingredient: Quercetin
CAS NO：117-39-5 
Molecular Formula：C15H14O9
Appearance: Yellow powder
Solubility: Slightly soluble in water. Freely soluble in methanol, alkaline solution, and glacial acetic acid.
Features: Enzymatic hydrolysis processing with no methanol used in manufacturing. The product is healthy and eco-friendly.
Specifications：
 
Item
   Results
Methods
Assay，%
 
≥
98
95
UV          method HPLC     method
Loss on drying%
≤
12
KF
As，  mg/kg
≤
2.0
GB/T5009. 11
Pb，  mg/kg
≤
3.0
GB5009. 12

Scope of application
Zhongtian quercetin is produced by enzymatic hydrolysis process and is environmentally friendly.
Quercetin is mainly used in medicine and health food fields.


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