Green Tea Extract Polyphenols

Expertise in botany and precision on an industrial scale are the hallmarks of Shaanxi Rebecca Biotechnology Co., Ltd. Our facility uses state-of-the-art technology for ultra-fine grinding and high-temperature drying, which allows us to achieve powder with superior characteristics while preserving the delicate catechins.

One of our many strengths in production is:

· Research and development group: experts in helping with formulation and optimising extraction

· Ensures pharmaceutical-level hygiene standards in 100,000-Grade Cleanroom Manufacturing.

· High-Performance Liquid Chromatography (HPLC), UV-Vis Spectroscopy (UV-Vis), and Fourier Transform Infrared (FTIR) Analysers for Comprehensive Compositional Analysis

· ISO9001, ISO22000, FSSC22000, HACCP, HALAL, KOSHER, and NOP organic certifications are just a few of the many.

· Powder blends, tablets, and hard capsules can all be tailored to your specifications with our OEM/ODM services.

· A well-oiled logistics system guarantees on-time deliveries all over the globe as part of the global supply chain.

We collaborate with you to address formulation issues; we do more than provide ingredients.

Our Green Tea Extract Polyphenols come from high-quality tea plants grown in provinces across China, including Zhejiang, Anhui, Fujian, and Yunnan. The active compounds are at their peak in buds harvested in the spring.

Grading System:

· Spring buds that are food-and diet-grade, with stringent controls for heavy metals and pesticides

· Certified Organic by USDA and ECOCERT; Made with No Artificial Ingredients; Completely Trackable from Farm to Fork

· Regular Grade: Summer and autumn foliage for uses where money is tight

Each batch complies with the EC396 and EU 2023/915 regulations regarding contaminants and comes with paperwork covering the entire process, from planting to packaging.

Solubility Characteristics:

· Insoluble in cold water but soluble in ethanol

· Water-soluble (though high-purity grades may exhibit slight precipitation) at ambient temperature

· Oil-based systems necessitate emulsifiers.

Stability Parameters:

· Temperature: stable up to 70 °C; danger of oxidation at 85 °C and higher

· Optimal pH range: 3.0 to 6.5; stay away from acidic environments (they cause browning)

· For aqueous solutions, use light-protective packaging because of their sensitivity to light.

· Humidity: Hygroscopic high-purity grades (90 percent or higher) require sealed storage.

1. Raw Material Inspection  ：Quality green tea sorting, mold removal    Visual inspection, moisture testing
2. Crushing  ：Mill to 10-20 mesh    Particle size verification
3. Hot Water Extraction ：60-70°C, 2-3 cycles, 1:8-12 ratio    Temperature monitoring, extraction time
4. Multi-Stage Filtration： Coarse → Plate & Frame → Membrane    Clarity testing, impurity removal
5. Vacuum Concentration ：≤65°C under negative pressure    Prevent thermal degradation
6. Purification (High Grade) ：Macroporous resin enrichment, ethanol elution    Polyphenol content verification
7. Spray Drying ：Inlet 150-170°C, outlet ≤75°C    Moisture content, particle size
8. Quality Testing ：HPLC polyphenol assay, heavy metals, pesticides    Certificate of Analysis issued
9. Packaging ：Double-layer moisture/light-proof drums    Seal integrity check​​​​​​​

Not only do you get a product, but you also get evidence of trust. Components of our quality system are:

· Comprehensive List of Certifications: Organic, ISO, HACCP

· In-House Laboratory: Activity, microbiological limit, and contaminant testing

· Third-Party Verification: Accredited labs check for accuracy and strength

· Lot Numbering and Origin of Raw Materials Batch Traceability

· Data on Stability: Storage Suggestions Supported by Excessive Ageing Research

In order to facilitate regulatory filings in the target markets, all shipments come with extensive documentation.

Standard Packaging:

· Bags made of two layers of food-grade, water-resistant film for the inside

· The exterior consists of 25 kg net weight fibre drums.

· Product name, specs, batch number, and production/expiration dates should be labelled

Personal Settings:

· Three different volume options: 1 kg, 5 kg, and 10 kg

· Private labeling for brand partners

· Packaging tailored to delicate shipping conditions

Transport: Expedited shipping via air for time-sensitive orders and bulk shipments via sea. When it comes to customs paperwork and temperature-controlled transport, our logistics team has you covered.

Q: Are your raw materials free from contamination?

A: Yes. All incoming tea undergoes manual sorting to remove scorched, moldy, or inferior leaves. We use consistent spring tea for stable composition.

Q: Will the extract discolor in my formulation?

A: Processing below 70°C and maintaining pH 3.0–6.5 prevents oxidation. Alkaline environments cause reddish-brown discoloration.

Q: How does packaging prevent moisture damage during shipping?

A: Double-layered moisture-proof inner bags plus sealed drums effectively protect high-purity grades even in humid ocean freight conditions.

Q: Can I get samples before bulk ordering?

A: Absolutely. contact us at information@sxrebecca.com for sample requests with your specific application requirements.

Q: What specifications suit dietary supplements versus cosmetics?

A: 80-90% grades work well for supplements. Cosmetics often use 90-98% encapsulated forms for stability in emulsions.

Ready to enhance your formulations with standardized Green Tea Extract Polyphenols? Reach out today: information@sxrebecca.com