Product Picture:

Introduction:
A flavonol widely distributed in plants. It is an antioxidant, like many other phenolic heterocyclic compounds. Glycosylated forms include RUTIN and quercetrin.

Synonyms:
Quertine, 3,3',4,5,7-Pentahydroxyflavone, Quercetine

Molecular Structure of Quercetin:


Quercetin
Molecular Formula: C₁₅H₁₀O₇
Molecular Weight: 302.24
CAS No.: 117-39-5

Specifications:
Botanical Origin: Sophora japonica L. - Bud
Identification: Positive by TLC
Appearance: Yellow powder
Melting point: 305 - 315 degree Celsius
Assay: Quercetin 98% Min. (HPLC)
Moisture: 9.0% - 12.0%
Ash: 0.2% Max.
Heavy Metals: 20ppm Max.
Total Aerobic Count: 1,000cfu/g Max.
Yeast & Mold: 100cfu/g Max.
E. coli: Negative
Salmonella: Negative

Packing: 25kgs/Fibre drum, two plastic-bags inside
Storage: Stored in a well-closed container away from moisture and light
Shelf Life: Two years

Main Biological Activity:
1. Lower blood pressure
2. Expectorant, Antitussive
3. Lower blood lipids

Main Application:
1. Health food
2. Pharmaceutical
3. Dietary supplements