What Is Catechin Powder?

Catechin powder is a high-purity, plant-derived polyphenolic compound obtained primarily from tea leaves (Camellia sinensis). As one of the most extensively studied flavonoid subclasses, catechins have drawn sustained attention from the nutraceutical, functional food, cosmetic, and pharmaceutical sectors due to their broad spectrum of biological activities. Among the major catechin monomers, epigallocatechin gallate (EGCG) stands out as the most potent antioxidant, capable of neutralizing reactive oxygen species (ROS), nitric oxide (NO), and other free radical intermediates through direct scavenging and stable compound formation.

At The Extract Factory, we supply food-grade catechin powder standardized to 90% assay, manufactured under rigorous quality management systems. This ingredient serves formulators, brand owners, and raw material distributors who demand consistent potency, clean-label compliance, and full traceability from source to shipment.


Source, Extraction & Manufacturing Process

Botanical Origin

Catechin powder is derived from the leaves of Camellia sinensis, the same plant that yields green tea, black tea, and oolong tea. The concentration and profile of individual catechins—including epicatechin (EC), epigallocatechin (EGC), epicatechin gallate (ECG), and epigallocatechin gallate (EGCG)—depend on cultivar, growing region, harvest timing, and post-harvest processing.

Extraction Methodology

The production of high-assay catechin powder typically involves a multi-step process:

  1. Solvent Extraction — Dried tea leaves are extracted using food-grade hydroalcoholic solvents (ethanol-water mixtures) under controlled temperature and pressure to maximize polyphenol yield while minimizing degradation.
  2. Concentration & Purification — The crude extract undergoes vacuum concentration, membrane filtration, and column chromatography or resin adsorption to isolate and enrich the catechin fraction.
  3. Spray Drying or Crystallization — The purified concentrate is converted into a free-flowing white powder through spray drying under low-temperature conditions, preserving thermolabile catechin structures.
  4. Quality Assurance — Every batch is tested for identity, purity, microbial load, heavy metals, pesticide residues, and solvent residues before release.

The Extract Factory operates three dedicated plant extract processing and production bases, collectively capable of supplying over 500 metric tons of standardized plant extracts, 1,000 metric tons of fruit and vegetable extracts, and 500 metric tons of powdered raw materials annually. This vertical integration enables tight control over raw material sourcing, processing parameters, and final product specifications.


Product Specifications

ParameterDetail
Product NameCatechin Powder
Assay (Purity)90% (catechins, HPLC)
Other NamesCatechin; Tea Polyphenols (catechin fraction)
AppearanceWhite to off-white fine powder
Active IngredientCatechin (polyphenolic flavonoid)
Botanical SourceCamellia sinensis (Tea)
Plant Part UsedLeaf
GradeFood Grade
Extraction TypeSolvent extraction (hydroalcoholic), followed by purification and spray drying
Packaging25 kg/fiber drum with double-layer PP inner bag
StorageCool, dry place; protect from light, heat, and moisture
Shelf Life24 months when stored under recommended conditions

Functional Properties & Biological Activity

Catechin powder delivers a range of scientifically recognized functional properties that make it valuable across multiple industry verticals.

1. Potent Antioxidant Activity

Catechins are among the most effective naturally occurring antioxidants. Their radical-scavenging capacity exceeds that of vitamin E in many comparative assays. By donating hydrogen atoms to unstable free radicals, catechins form stable complexes that interrupt oxidative chain reactions, thereby protecting cellular membranes, lipids, proteins, and DNA from oxidative damage.

2. Weight Management Support

Research indicates that catechins, particularly EGCG, may support metabolic rate and fat oxidation, contributing to body weight regulation. This mechanism has made catechin powder a sought-after ingredient in weight management supplements, meal replacement formulations, and functional beverages.

3. Anti-Aging & Cellular Protection

Through sustained free radical neutralization, catechins help mitigate oxidative stress—a primary driver of cellular aging. This property supports their use in both oral nutraceuticals and topical cosmetic formulations aimed at skin vitality and cell renewal.

4. Gut Microbiota Modulation

Catechins demonstrate selective antimicrobial activity: they inhibit pathogenic bacteria such as Clostridium botulinum while sparing beneficial populations like Lactobacillus species. This prebiotic-like selectivity supports intestinal balance and digestive health, an increasingly important attribute for functional food developers.

5. Cardiovascular, Hepatic, Renal & Neurological Support

Beyond antioxidant action, catechins have been associated with cardiovascular protection, kidney and liver function support, and neuroprotective effects. These broader pharmacological potentials continue to be explored in academic and applied research, expanding the ingredient's relevance for next-generation health products.

6. Anti-Inflammatory & Antimicrobial Properties

Catechins exhibit measurable anti-inflammatory, antibacterial, and antiviral activities in vitro. While these effects are well-documented in the scientific literature, formulation developers should note that specific health claims must comply with regional regulatory frameworks.


Industry Applications

SectorTypical Use Cases
Functional Foods & BeveragesAntioxidant-enriched drinks, tea-based functional powders, sports nutrition bars, meal replacement shakes
Dietary SupplementsCapsules, tablets, and sachets targeting weight management, antioxidant defense, and cardiovascular wellness
NutraceuticalsStandardized extracts for premium health product lines
Cosmetics & Personal CareAnti-aging serums, skin-protective creams, UV-defense formulations leveraging polyphenol stability
Animal NutritionGrowth-promoting and immune-supporting feed additives (subject to regional approval)
Food PreservationNatural antioxidant alternative to synthetic preservatives in lipid-rich food systems

Quality Control & Certification

Consistency and safety are non-negotiable when sourcing catechin powder for commercial production. The Extract Factory subjects every production lot to comprehensive analytical testing in accordance with international food safety standards.

Test ParameterSpecificationResult (Typical)Status
Ash ContentNMT 0.1%0.04%Qualified
Heavy Metals (total, as Pb)NMT 0.5 ppmQualifiedQualified
Lead (Pb)NMT 0.5 ppmQualifiedQualified
BHC (Benzene Hexachloride)NMT 0.1 ppmQualifiedQualified
DDTNMT 0.1 ppmQualifiedQualified
Total Plate CountNMT 500 CFU/gQualifiedQualified
Total Yeast & MoldNMT 100 CFU/gQualifiedQualified
E. coliNegativeNegativeQualified
SalmonellaNegativeNegativeQualified

Certifications & Compliance

  • Halal Certified
  • Kosher Certified
  • ISO 9001 Quality Management System

These certifications provide assurance to importers, brand owners, and regulatory teams that the catechin powder meets stringent production, safety, and documentation standards. Full batch traceability—from raw tea leaf procurement through final packaging—is maintained to support audits and regulatory submissions.


Physical & Chemical Characteristics

PropertyDescription
ColorWhite to pale cream
OdorCharacteristic mild tea-like
TasteSlightly astringent, bitter
SolubilitySoluble in water, ethanol, and propylene glycol; sparingly soluble in oils
pH (1% aqueous solution)Approximately 4.5–6.0
Moisture ContentNMT 5.0% (typical)
Particle SizeFine powder, typically 80–120 mesh
StabilityStable under recommended storage; sensitive to prolonged heat, light, and alkaline pH

Formulators should account for the astringent taste profile when designing consumer-facing products and consider appropriate flavor-masking or encapsulation strategies for capsule and tablet applications.


Packaging, Logistics & Shipping

The Extract Factory offers flexible packaging and logistics solutions tailored to order volume and destination.

Cargo WeightPackaging ConfigurationShipping MethodEstimated Lead Time
5–50 kgBelow 5 kg: foil bag; 5–25 kg: double-layer PP bag inside master carton or cardboard drumInternational Express (FedEx / DHL / UPS)7–10 business days
100–200 kg25 kg/drum with double-layer PP bag liner inside cardboard drumAir Freight7–10 business days
Over 500 kg25 kg/drum with double-layer PP bag liner inside cardboard drumOcean Freight (FCL / LCL)20–45 business days

Custom packaging, private labeling, and tailored batch sizes are available upon request. All shipments include a Certificate of Analysis (CoA), packing list, and commercial invoice to facilitate customs clearance.


Why Source Catechin Powder from The Extract Factory?

Established in 2015 and headquartered in the Hi-Tech Industrial Zone of Xi'an, Shaanxi Province, China, The Extract Factory has grown into one of the mainland's leading powder and extract suppliers. Our operational footprint spans three production bases, enabling scalable, reliable supply for both trial orders and long-term contracts.

Who We Serve

  • Manufacturers of dietary supplements, functional foods, and cosmetics
  • Wholesalers and distributors seeking verified, food-grade botanical ingredients
  • Exporters and importers requiring consistent documentation and regulatory support
  • Brand owners and contract formulators developing proprietary product lines

Key Markets

Our catechin powder and broader botanical portfolio reach customers across North America, Europe, South Asia, Australia, and Africa, with dedicated logistics partnerships ensuring timely delivery worldwide.

Dedicated Service

A professional sales and technical support team manages every engagement from initial inquiry through post-delivery follow-up. Whether you need a custom assay specification, a pre-shipment sample, or formulation guidance, our team provides responsive, project-level support.


Get in Touch

For pricing, sample requests, technical data sheets, or partnership inquiries, contact our team directly:

Email: [email protected]

The Extract Factory — your trusted partner for high-quality catechin powder and standardized botanical ingredients.

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