Description

Theaflavine-3,3'-Digallate is a key polyphenolic compound and a major bioactive component found in black tea. This compound matters for its potent antioxidant and anti-inflammatory properties, which are central to its biological activity. It is needed by manufacturers in the nutraceutical, pharmaceutical, and cosmetic industries for applications in dietary supplements, functional foods, and advanced skincare formulations.

Application

• Primary ingredient in high-potency antioxidant dietary supplements and nutraceuticals.
• Active pharmaceutical ingredient (API) for research into anti-inflammatory and neuroprotective therapeutics.
• Functional component in cosmetic and skincare formulations targeting anti-aging and UV protection.
• Standard reference compound for analytical testing and quality control in tea extract and polyphenol production.
• Key material for scientific research in biochemistry, nutrition, and pharmacology studies.
• Additive for enhancing the bioactive profile of functional food and beverage products.

Basic Information

Product Name	Theaflavine-3,3'-Digallate
CAS No.	33377-72-9
Molecular Formula	C₄₃H₃₂O₂₀
Molecular Weight	868.71 g/mol
Synonyms	Theaflavin-3,3'-digallate; Theaflavin Digallate; TF-3; TF3; 1,3,4,6-Tetra-O-galloyl-β-D-glucose derivative; Black Tea Polyphenol; Theaflavin 3,3'-di-O-gallate
EINECS	Contact for details

Quality Control

Our Theaflavine-3,3'-Digallate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity verification, to ensure it meets the high standards required for research and commercial use. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C under an inert atmosphere (e.g., nitrogen or argon) to minimize oxidation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	Brownish-red to reddish-brown powder
Identification (HPLC/UV)	Conforms
Assay (HPLC)	≥95.0%
Loss on Drying	≤2.0%
Residue on Ignition	≤0.5%
Heavy Metals (as Pb)	≤10 ppm
Solvent Residues	Meets ICH guidelines
Microbiological Analysis	Meets standard limits

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