Green Tea Extract is a botanical ingredient obtained from the leaves of Camellia sinensis, the evergreen plant used to produce green tea. The leaves are processed and extracted to obtain a concentrated botanical material for use in suitable food, cosmetic, nutraceutical, and other formulation applications, subject to the grade, applicable regulations, and intended use.
Green tea extract is valued for its naturally occurring polyphenols, particularly catechins. The composition of a commercial extract depends on the source leaves, harvesting conditions, extraction method, concentration process, and standardization requirements. Product specifications should therefore be reviewed before selecting a grade for manufacturing or formulation development.
The botanical source of Green Tea Extract is Camellia sinensis. The plant belongs to the family Theaceae. Green tea is produced from tea leaves that are processed to limit oxidation compared with the manufacturing methods used for black tea. The extract may be supplied in powder or another specified form, depending on the manufacturer's process and the product grade.
For accurate product identification, buyers should confirm the botanical name, plant part, extraction method, extract ratio where applicable, and standardization details on the supplier's technical documentation.
Green tea leaves naturally contain several groups of compounds. Catechins are among the principal polyphenols associated with green tea. These may include epigallocatechin gallate (EGCG), epigallocatechin (EGC), epicatechin gallate (ECG), and epicatechin (EC). The relative quantities vary by grade and manufacturing process.
Other constituents may include caffeine, amino acids, and additional plant-derived compounds. Their levels are not identical across all commercial extracts. A product described as a standardized green tea extract should identify the relevant marker compound and its specified assay range in the applicable product documentation.
Green Tea Extract is generally produced by processing suitable tea leaves, extracting selected constituents using a defined process, separating unwanted material, and concentrating and drying the extract when a powder product is required. The final material may be milled and packed according to the manufacturer's procedures.
The extraction solvent, solvent-removal process, drying method, and standardization process can affect the product's colour, odour, solubility, and chemical profile. Buyers should consult the product's technical data sheet for details relevant to their intended formulation and quality requirements.
The colour and physical characteristics of Green Tea Extract can vary with the extraction process and degree of concentration. A powder grade may range from greenish to brownish shades, but the accepted appearance must be defined by the approved specification for the specific product.
Store the material in its original, tightly closed packaging under the conditions stated on the product label or technical documentation. Protect it from excess moisture, heat, and direct sunlight where required by the product specification. Follow the applicable safety data sheet and handling instructions.
Green Tea Extract may be considered for use in suitable formulation categories, depending on the grade and applicable regulatory requirements:
The suitability of any grade depends on its composition, quality status, intended use, and local regulatory requirements. No application should be assumed solely from the botanical name.
For commercial evaluation, review the product's identification, appearance, assay, moisture or loss on drying, ash values where applicable, heavy-metal limits, microbiological requirements, residual-solvent information, and other relevant quality parameters. The exact tests and acceptance criteria should be selected according to the product grade and its approved specification.
For standardized material, confirm whether the assay refers to total polyphenols, total catechins, EGCG, or another marker. These terms are not interchangeable. Caffeine content should also be checked when it is relevant to the formulation.
Packaging quantity, material, and configuration depend on the available commercial grade and buyer requirements. Before purchase or formulation use, request the current technical data sheet, certificate of analysis for the supplied batch, safety data sheet, and any relevant compliance documentation.
Store and transport the product in accordance with its approved documentation. Keep the packaging sealed when not in use and follow the manufacturer's recommendations for shelf life and storage conditions.
Green Tea Extract is a concentrated botanical ingredient obtained from the leaves of Camellia sinensis. Its composition depends on the extraction process and product grade.
Green tea extract may contain catechins such as EGCG, EGC, ECG, and EC, along with varying amounts of caffeine and other naturally occurring compounds.
No. Standardization varies by grade. Check the product specification to determine whether EGCG, total catechins, total polyphenols, or another marker is measured.
Appearance depends on the extraction and drying process. Confirm the accepted colour and physical form from the specific product's approved specification.
Follow the storage conditions on the product label, technical data sheet, or certificate documentation. Keep the material in its original closed packaging and protect it from conditions that may affect quality.
Review the current technical data sheet, batch-specific certificate of analysis, safety data sheet, and any documentation required for the intended application.
Confirm the intended application, botanical identity, plant part, extract ratio if applicable, marker-compound assay, caffeine specification, quality requirements, and regulatory suitability before selecting a grade.
| Parameter | Specification |
|---|---|
| Appearance | powder |