
Product Description
Assam tea extract is a premium, natural ingredient derived from indian assam large-leaf tea. Renowned for its standardized tea polyphenols 50%-98% – a classic tea beverage extract for antioxidant, weight management, and oral health applications, this extract is widely used in dietary supplements, functional beverages and cosmetics.
Product Description
In tea beverage flavoring and functional food formulations, a standardized and batch-stable source of tea polyphenols is a fundamental requirement for formulators. Assam tea extract uses Indian Assam large-leaf tea (Camellia sinensis) as raw material, processed through standardized extraction and enrichment, enriching and standardizing tea polyphenols (EGCG and other catechins), providing brands with a traceable source for antioxidant and weight management applications.
Assam black tea is one of the most popular black tea varieties globally, with annual production in Assam, India exceeding 600,000 tons. Tea polyphenol extracts are widely applied in the fields of antioxidant and weight management supplements.
The product is quality-controlled based on relevant regulations and industry standards. Each assam tea extract batch comes with a Certificate of Analysis (COA), covering key indicators such as characteristic component content, loss on drying, ash, heavy metals (Pb, As, Cd, Hg), pesticide residues, aflatoxins, and microorganisms.
Why Choose Nutralighting
Provide complete Assam Tea Extract technical datasheets (TDS, COA, MSDS)
Support Assam Tea Extract OEM/ODM customization: adjustment of extraction ratios, standardization levels, and packaging specifications
Provide Assam Tea Extract application solution support
Regularly provide industry regulation updates
Basic Information
| Project | Content |
| Product Name | Assam Tea Extract / Camellia Sinensis Extract |
| Alias | Assam Black Tea |
| Main Ingredients | Tea Polyphenols, Caffeine |
| Main Specifications | Tea Polyphenols 50%-98% |
| Target Market | Europe, Asia |
| Core Application Areas | Antioxidant; Weight Management; Oral Health |
Standard Specifications (COA)
The following assam tea extract specifications are for general reference, and the actual values are subject to the COA report of each batch.
| Test Items | Standards |
| Tea Polyphenols | Tea Polyphenols 50%-98% |
| Loss on Drying | ≤5.0% |
| Total Ash | ≤6.0% |
| Lead (Pb) | ≤1.0 mg/kg |
| Arsenic (As) | ≤2.0 mg/kg |
| Cadmium (Cd) | ≤0.5 mg/kg |
| Mercury (Hg) | ≤0.1 mg/kg |
| Pesticide Residues (Organochlorine/Organophosphate) | Complies with USP <561> |
| Aflatoxin B1 | ≤5.0 μg/kg |
| Total Aflatoxins | ≤10.0 μg/kg |
| Total Microbial Count (TAMC) | ≤1×10⁴ CFU/g |
| Yeasts and Molds (TYMC) | ≤1×10² CFU/g |
| Escherichia coli | Not detected (1g) |
| Salmonella | Not detected (1g) |
Introduction of Plant Material
The raw material of this product is the dried leaves of the tea plant Camellia sinensis (L.) O. Kuntze from the Theaceae family, specifically the Assam large-leaf variety. It is mainly produced in Assam, India, and in Yunnan and Fujian provinces in China. Assam tea is an important source of black tea, with a rich and mellow brew. The main active components are tea polyphenols (catechins), caffeine, and theaflavins.
Core Benefits
The following overview of assam tea extract’s benefits is based on published scientific research and traditional uses. The specific benefits need to be evaluated in combination with the product form and dosage.
Assam tea extract (Camellia sinensis) has tea polyphenols (EGCG and other catechins) and caffeine as its core active ingredients. It is an effective free radical scavenger with a clear research basis in antioxidant effects.
Studies on weight management suggest that tea polyphenols help promote fat oxidation and increase metabolic rate;
Research on oral health indicates that it can inhibit cariogenic bacteria.
Specific benefits should be comprehensively evaluated based on the product form, dosage, and applicable regulations. This information does not constitute medical or disease treatment claims.
Regulatory and Regional Access Status
The following information is compiled based on publicly available regulatory data. Actual market access is subject to the latest regulations of the target country.
| Region/Country | Regulatory Status | Key Notes |
| USA (FDA) | Dietary Supplement / GRAS | Generally regulated as a dietary supplement if it is a plant extract; some ingredients have been recognized as GRAS (case-specific confirmation required). USP has included monographs for various extracts. |
| European Union (EFSA) | Traditional herbal medicines / Food supplements | EU Directive 2004/24/EC regulates traditional herbal medicines; extracts used as ingredients in food supplements must comply with EU Novel Food Regulation (EU) 2015/2283 requirements (some traditional herbs enjoy simplified procedures). |
| Japan (MHLW) | Food additives / Health food ingredients | Extracts are used as food additives or health food ingredients; some varieties need to be notified under the functional claims food system. |
Note: Regulatory information is time-sensitive. Before export, it is recommended to confirm the latest compliance requirements with the regulatory authorities of the target market or professional consultants.
Application Directions and Recommended Dosage
| Application direction | Recommended dosage | Applicable dosage forms | Notes |
| Oral solid beverage / powder | According to specifications | Strip packaging, bag packaging, can packaging | Can be compounded with other functional ingredients, recommended to control dosage with standardized extracts |
| Compressed candy / capsules | According to specifications | Tablets, hard capsules | Each unit is recommended to contain 250~500 mg of extract, 2~3 times daily |
| Oral liquid / functional drinks | According to specifications | Glass bottles, PET bottles | It is recommended to disperse in warm water first before adding to the system, pay attention to pH stability |
| Personal care skincare products | 0.1~2.0%(w/w) | Lotion, serum, mask | Solubility and stability need to be evaluated based on the formulation system |
Recommended Daily Dosage Reference
- General Health Use: Use according to product specifications and the dosage recommended by the formulator
- Personal Care and Skincare: The amount added in formulations depends on the specific product, recommended 0.1~2.0%
Other Notes
Assam tea extract is a plant-derived product. Some individuals may have allergic reactions; it is recommended to start with a small dose when using for the first time.
Take Action Now
No matter what type of product you are developing, Nutralighting can provide extract solutions ranging from standard specifications to OEM/ODM customization, with a complete technical data package (COA / MSDS) and regulatory consultation.
Contact us now to get Assam Tea Extract samples and quotes, and start upgrading your formulation.
Appendix: References
(The following references are for technical reference. Some are open access and can be found via PubMed/PMC or the journal’s official website.)
[1] Journal of Agricultural and Food Chemistry, 2020: Assam tea catechin profile
[2] American Journal of Clinical Nutrition, 2019: Tea polyphenols and weight management
[3] Phytotherapy Research, 2020: Camellia sinensis cardiovascular effects
[4] Indian Pharmacopoeia, Camellia sinensis leaf
Frequently Asked Questions
Our standard MOQ is 1 kg for trial orders. Bulk orders start from 25 kg. Custom packaging is available for larger quantities.
Yes, a complete Certificate of Analysis (COA) and third-party test reports are provided.
Absolutely. We support OEM and ODM solutions including custom extraction ratios, blending, and private-label packaging.
The shelf life is 24 months when stored properly in a cool, dry, and sealed container away from direct sunlight.
Yes, we ship worldwide via DHL, FedEx, UPS, and sea freight. Lead time is typically 7-15 working days depending on order size and destination.
Packaging & Shipping
Standard Packaging
- Standard packaging: 1 kg/aluminum foil bag + 25 kg cardboard drum.
- Custom packaging available: 5 kg, 10 kg, or customer-specified bags and drums.
- All packaging is food-grade and moisture-proof with desiccant included.
Shipping Terms
- Express shipping: 5-7 business days (DHL, FedEx, UPS)
- Air freight: 7-10 business days
- Sea freight: 25-35 business days
- Samples: shipped via express within 3-5 business days
Shelf Life & Storage
- Store in a cool, dry place below 25°C.
- Keep container tightly sealed when not in use.
- Protect from direct sunlight, moisture, and strong odors.
- Shelf life: 24 months from date of manufacture under proper storage conditions.










