Description

(-)-Dihydroquercetin is a highly purified, bioactive flavonoid compound, also known as taxifolin. This potent antioxidant is valued for its superior stability and bioavailability compared to other flavonoids, making it a critical ingredient for advanced formulations. It is essential for manufacturers in the nutraceutical, pharmaceutical, and cosmetic industries seeking to enhance product efficacy with a natural, science-backed ingredient.

Application

• Nutraceutical & Dietary Supplements: A key active ingredient in antioxidant formulas, cardiovascular support supplements, and general wellness products for its free radical scavenging and anti-inflammatory properties.
• Pharmaceutical Intermediates: Used in the research and development of therapeutic agents targeting oxidative stress-related conditions, including metabolic and neurodegenerative diseases.
• Cosmetics & Personal Care: Incorporated into anti-aging serums, creams, and lotions for its skin-protective effects against UV radiation and environmental pollutants.
• Functional Food & Beverages: Added to health drinks, fortified foods, and sports nutrition products as a natural preservative and functional nutrient.
• Biochemical Research: Serves as a standard or reagent in laboratory studies investigating flavonoid metabolism, antioxidant mechanisms, and cell signaling pathways.
• Veterinary Supplements: Used in animal health products to support immune function and overall vitality in companion and livestock animals.

Basic Information

Product Name	(-)-Dihydroquercetin
CAS No.	111003-33-9
Molecular Formula	C15H12O7
Molecular Weight	304.25 g/mol
Synonyms	Taxifolin; (2R,3R)-Dihydroquercetin; 3,3',4',5,7-Pentahydroxyflavanone; (+)-Taxifolin; Dihydroquercetol; Distylin; Larixine; Venoruton; Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Our (-)-Dihydroquercetin is produced under strict quality management systems. Each batch is tested to ensure it meets high-purity standards suitable for nutraceutical and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is light-sensitive and easily oxidized; for long-term storage, keeping the container under an inert atmosphere such as nitrogen is recommended to maintain stability and potency.

Specification

Item	Specification
Appearance	Light yellow to white powder
Identification (HPLC/IR)	Conforms to standard
Assay (HPLC)	≥95.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤10 ppm
Residual Solvents	Meets ICH guidelines
Specific Rotation	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.