Project Description
Product Description
Black Tea Extract is a natural botanical ingredient derived from the leaves of Camellia sinensis. It is standardized for theaflavins and is widely used in food, dietary supplement, and cosmetic applications. Xi’an Herb Bio supplies high-quality Black Tea Extract with stable production, flexible order quantities, and fast delivery.
Product Specifications
| Item | Specification | Test Method |
|---|---|---|
| Theaflavins | ≥20% – 80% (as per order) | HPLC |
| Total Polyphenols | ≥40% – 90% (optional) | UV-Vis |
| Caffeine | ≤5% (optional) | HPLC |
| Particle Size | 80–100 mesh | Sieve Analysis |
| Moisture | ≤5% | Loss on Drying (LOD) |
| Ash | ≤5% | Gravimetric Method |
| Heavy Metals | ≤10 ppm | ICP-MS / AAS |
Benefits
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Standardized Theaflavins: Contains theaflavins, the characteristic bioactive compounds formed during black tea fermentation.
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Rich in Polyphenols: A natural source of polyphenols studied for antioxidant properties.
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Supports Antioxidant Defense: Commonly used in dietary supplements formulated for antioxidant support.

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Supports Cardiovascular Wellness: Commonly used in supplements formulated to support normal cardiovascular function within the normal range.
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Flexible Supply: Free samples, low MOQ (1 kg), and customizable packaging.
Application
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Dietary Supplements
Used in capsules, tablets, and powders for antioxidant and cardiovascular support formulations.
Recommended Dosage: 200–1000 mg/day of Black Tea Extract, depending on extract ratio and theaflavin content. Commercial products typically provide 250–500 mg per daily serving. -
Functional Foods & Beverages
Incorporated into functional beverages, tea drinks, and health foods.
Recommended Dosage: As per local food regulations and formulation requirements. Typical range: 50–300 mg per serving. -
Cosmetics & Personal Care
Used in skincare formulations for its antioxidant and soothing properties.
Recommended Dosage: 0.5–3% in leave-on products; 0.2–2% in rinse-off products. -
Herbal Formulations
Blended with other botanical extracts (e.g., Green Tea Extract, Grape Seed Extract).
Recommended Dosage: Adjust based on the target formulation and the dosage of accompanying botanical extracts.
Packing & Shipping

Why Choose Us & How to Order?

Located in China, if you purchase from us,we offer many additional convenient services, all of which cannot be easilly provided by other ingeredient products suppliers. Welcome to contact us to get FREE SAMPLE, COA and Nutrition Facts!
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