Quercetin is a natural flavonoid compound extracted from Sophora Japonica bud. Our product is light yellow crystalline powder with HPLC 95% and 98% specifications. It is a popular plant extract raw material for health and cosmetic industries.

Specifications

• Product Name: Quercetin

• CAS No.: 117-39-5

• Molecular Formula: C₁₅H₁₀O₇

• Purity: 95%, 98% by HPLC

• Appearance: Light yellow to bright yellow crystalline powder

• Source: Natural Sophora Japonica bud extract

• Particle Size: 80–120 mesh, customized fine powder available

• Moisture: ≤5.0%

• Heavy Metals: Compliant with food grade and supplement standards

• Microbiology: Total plate count, mold, yeast and E. coli meet safety requirements

• Storage: Store in cool, dry and dark place, sealed to avoid moisture and oxidation

Applications

1. Dietary supplements: Used as a key ingredient in capsules, tablets and powders for antioxidant and immune support products. It is a popular plant active ingredient in global markets.

2. Functional foods: Added into solid drinks, candy tablets, nutrition bars to enhance nutritional benefits.

3. Cosmetic & skincare raw material: With antioxidant properties, it can be formulated in skincare products to fight free radicals and soothe skin.

4. Research use: Available as laboratory reagent for pharmacological research in universities and research institutes.