Description

Theaflavin is a naturally occurring polyphenolic compound, a key pigment responsible for the bright color and astringent taste of black tea. It matters for its potent antioxidant and anti-inflammatory properties, which are the subject of extensive research for health and wellness applications. This high-purity ingredient is primarily needed by manufacturers in the nutraceutical, cosmeceutical, and functional food and beverage industries seeking to develop evidence-based products.

Application

• Dietary Supplements & Nutraceuticals: Formulated into capsules, tablets, and powders for antioxidant support and general wellness.
• Functional Food & Beverages: Incorporated into health drinks, teas, and fortified food products to enhance their bioactive profile.
• Cosmeceutical & Skincare Products: Used in anti-aging serums, creams, and lotions for its skin-protective and brightening effects.
• Pharmaceutical Research: Serves as a reference standard and active pharmaceutical ingredient (API) intermediate in clinical studies.
• Natural Colorant: Provides a stable, natural yellow to orange-red hue in various applications.

Basic Information

Product Name	Theaflavin
CAS No.	4670-05-7
Molecular Formula	C29H24O12
Molecular Weight	564.49 g/mol
Synonyms	Theaflavine; 2,8-Bis(3,4-dihydroxyphenyl)-3,4,6-trihydroxy-4a,8a-dihydro-4H,8H-benzo[1,2-b:3,4-b']dipyran-4,8-dione; Benzo[1,2-b:3,4-b']dipyran-4,8-dione, 2,8-bis(3,4-dihydroxyphenyl)-3,4,4a,6,8,8a-hexahydro-3,4,6-trihydroxy-, (4aR,8aR)-; Theaflavin (major black tea polyphenol); TF1
EINECS	Contact for details

Quality Control

Our Theaflavin is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications for nutraceutical and research use. A comprehensive Certificate of Analysis (COA) documenting all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 15-25°C. This product is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen or argon.

Specification

Item	Specification
Appearance	Orange-red to 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
Total Aerobic Microbial Count	≤ 1000 cfu/g
Total Yeast & Mold Count	≤ 100 cfu/g

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