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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.