Green Tea Leaf Extract Powder

Green Tea Leaf Extract powder is a concentrated ingredient sourced from the leaves of the Camellia sinensis (L.) plant. It is standardized to contain the plant's most beneficial compounds, including polyphenols and L-theanine. Within its polyphenol content, you'll find potent antioxidants known as catechins, particularly EGCG, which is well-regarded for its properties. This extract is a versatile choice for products across dietary supplements, functional foods, and personal care.

The Right Partner for Your Tea Extract Needs：

Low-Temp Extraction: Modern, non-high-temperature process protects heat-sensitive compounds like EGCG, guaranteeing maximum bioactivity and stability.
Guaranteed Potency: Standardized and customizable levels of polyphenols, catechins, EGCG, and L-theanine for precise formulation.
Global Compliance: cGMP-certified production with rigorous third-party testing for heavy metals, pesticides, and microbes.
Full Documentation: Comprehensive support with COAs and MSDSs for smooth global market entry.

Green tea extract production involves many steps:
1. Preparing raw ingredients: Clean fresh green tea shoots and leaves to remove contaminants. Drying and pulverizing reduce moisture and increase the extraction surface.
2. Extraction: Tea leaves are extracted for active compounds using methods like:
Solvent extraction uses water or ethanol at a controlled temperature and time.
SFE: Effective, solvent-free chemical extraction utilizing supercritical carbon dioxide.
Microwave-Assisted Extraction: Faster active component dissolution.
3. Filtration and centrifugation: remove solids from the crude extract. Macroporous resin adsorption or membrane separation may isolate and concentrate active compounds.
4. Concentration and Drying: Low-pressure concentration removes solvent from purified extract. Spray drying turns concentrated liquid into fine green tea extract powder.
5. Quality Control: Raw materials and finished products are tested for quality. Pesticide residues, heavy metal content, moisture levels, and essential active ingredient concentrations (e.g., tea polyphenols, caffeine) are tested to ensure the extract meets quality standards.

Antioxidants' impact

In vitro, green tea polyphenols, notably EGCG, are antioxidants. These compounds can fight ROS and other free radicals, protecting lipids, proteins, and DNA.

Potential Anticancer Effects

Green tea may cut prostate cancer risk, according to epidemiological studies. EGCG, a major catechin in green tea extract, inhibits cancer cell proliferation and promotes apoptosis in vitro and preclinically. The results are intriguing, but more thorough clinical trials are needed to show anticancer efficacy in humans.

Cardiovascular System Effects

Green tea catechins have many cardiovascular advantages, according to preclinical and clinical investigations. These routes reduce oxidative stress, modulate lipid metabolism (lowering LDL cholesterol), improve endothelial function, reduce inflammation, decrease vascular smooth muscle cell proliferation, and may have anti-thrombotic effects.

Neuroprotective Potential:

Preclinical research suggests multiple neuroprotective mechanisms for green tea polyphenols. Antioxidants, chelation of dementia-causing metal ions, intracellular signaling pathway control, and protein kinase regulation are examples. Their clinical efficacy in neurodegenerative disease prevention and treatment needs more study.

Anti-Ultraviolet (UV) Effects

In vitro studies demonstrate that tea polyphenols inhibit UVB-induced retinal pigment epithelial cell damage. The proposed routes boost Survivin gene expression and minimize mitochondrial dysfunction and DNA damage. These discoveries may prevent UV-induced cellular damage, but in vivo research is needed.

Potential Anti-Obesity and Metabolic Effects

In animal models of high-fat/Western diet-induced obesity and metabolic syndrome, EGCG may reduce obesity-related symptoms and fat accumulation. This may be due to EGCG's ability to reduce fat absorption and alter inflammatory cytokines. These discoveries require human clinical studies.

Anti-Caries Potential:

Research suggests that green tea extract may reduce tooth matrix degradation by matrix metalloproteinases (MMPs). This may decrease tooth corrosion and attrition.

Antibacterial and Antiviral Properties:

Green tea extracts are antibacterial and antiviral, including against MRSA in vitro. Labs show tea polyphenols inhibit influenza, rotavirus, SARS-CoV, and HPV. The therapeutic value and efficacy of these effects in vivo need further study.

Nutraceutical and Dietary Supplement Industry:

Green tea extract is a well-established ingredient in the nutraceutical market, primarily valued for its potent antioxidant properties. It is incorporated into a diverse range of dietary supplements, including capsules, liquids, and powders, often positioned to support healthy blood glucose and blood pressure levels, aid in weight management, contribute to overall wellness, and potentially assist in recovery following physical activity.

Cosmetics and Personal Care Industry:

In the cosmetics and personal care sector, green tea extract is utilized for its antioxidant and potential anti-inflammatory properties, aiming to mitigate oxidative stress associated with skin aging. It is found in formulations such as bath products, massage oils, facial cleansers, lotions, and masks. Furthermore, research suggests potential benefits in addressing certain skin conditions like dermatitis, rosacea, warts, and acne, as well as improving skin elasticity and offering a degree of photoprotection against solar-induced damage.

Food and Beverage Industry:

Green tea extract finds application in the food and beverage industry for various functional purposes. These include enhancing flavor profiles, preserving food color and extending shelf life through its antioxidant properties, deodorizing certain food products, potentially aiding in detoxification processes, and contributing to the development of innovative food packaging materials (e.g., gels). It may also serve as a processing aid in specific food manufacturing processes.

Pharmaceutical and Biomedical Research:

Green tea extract and its constituents are subjects of ongoing research within the pharmaceutical and biomedical fields, particularly concerning their potential anti-inflammatory and weight management effects. Preclinical studies are exploring their therapeutic potential in various disease models, warranting further investigation into clinical applications.

 

 

 

Daily Chemical and Household Products:

Various daily chemical products contain antibacterial and anti-inflammatory green tea extract. Mouthwashes, deodorants, dishwashing liquids, air fresheners, toothpaste, soaps, and talcum powders strive for usefulness.

Sunscreen and Photoprotective Products:

Green tea extract absorbs UV light, suggesting photoprotection. Thus, sunscreens contain it to prevent UV damage.

Natural Colorant Applications:

Food and confectionery manufacturers can employ green tea extract's natural pigments as direct colorants. Lipsticks and hair colors use these pigments to naturally enhance color.

Fragrance Industry:

Green tea extract gives perfumes like Bulgari's Green Tea a fresh, natural touch.

 

Why Choose Shaanxi Jiuyuan Bio

 

13+ Years of Manufacturing Expertise

• Specialized in botanical extracts with mature production systems and global supply experience.

Advanced Production Capacity

• 6 workshops, 10 automated lines, and 6,000+ tons annual output ensure stable and scalable supply.

Strict Quality Control

• Full compliance with cGMP, HACCP, ISO22000, FSSC22000, KOSHER, and HALAL standards, supported by comprehensive COA, MSDS, and traceability documents.

R&D-Driven Customization

• A dedicated 12-member R&D team offering tailored specifications including polyphenols, EGCG, catechins, mesh size, and formulation needs.

Reliable Raw Material & Safety Assurance

• Controlled sourcing, low-temperature extraction, and third-party testing for heavy metals, pesticides, and microbial safety.

Global Export Experience

• Long-term supply to Europe, North America, and Asia with professional support for documentation, registration, and logistics.

 

Delivery Methods

 

By Air 100 kg- 1000 kg, 5-7 Days Airport-to-airport service professional clearance broker needed	By Sea Over 300 kg, Around 30 Days Port-to-port service professional clearance broker needed	Express Under 100kg, 3-5 Days Door-to-door service easy to pick up the goods

 

Packaging Arrangement

Material: Products will be packaged in durable cardboard boxes/wooden crates/plastic containers (depending on customer requirements) for transit protection. Durable and moisture-resistant packing prevents damage. Labeling: Product name, amount, weight, and destination address will be accurately labeled on each package. Any barcodes or tracking numbers you need will be included. Customization: Please let us know if you need unique designs or protective packing. We can personalize packaging for you. Weight and Dimensions: Space and weight will be optimized in the packing. We'll tell you each package's weight and dimensions before shipping. Please inform us of any logistics or packaging preferences. Our goal is safe and fast delivery of your items.

 

References

1. National Center for Complementary and Integrative Health (NCCIH). (2024). Green Tea: Usefulness and Safety. U.S. National Institutes of Health. Available at: https://www.nccih.nih.gov/health/green-tea
2. European Food Safety Authority (EFSA). (2018). Scientific Opinion on the Safety of Green Tea Catechins. EFSA Journal, 16(4):5239. DOI: https://doi.org/10.2903/j.efsa.2018.5239
3. National Institutes of Health. (2020). Green Tea. LiverTox: Clinical and Research Information on Drug-Induced Liver Injury. National Library of Medicine. Available at: https://www.ncbi.nlm.nih.gov/books/NBK547852/
4. Jurgens TM., Whelan AM., Killian L., et al. (2012). Green Tea for Weight Loss and Weight Maintenance in Overweight or Obese Adults: A Systematic Review. Cochrane Database of Systematic Reviews. DOI: https://doi.org/10.1002/14651858.CD008650.pub2
5. Mokra D., et al. (2022). Epigallocatechin-3-Gallate (EGCG): Molecular Mechanisms and Clinical Evidence. Nutrients, 14(6): 1232. DOI: https://doi.org/10.3390/nu14061232
6. Fujiki H. (2018). Cancer Prevention with Green Tea and Its Principal Constituent EGCG: A Review of Experimental and Epidemiological Evidence. Cancer Prevention Research. DOI: https://doi.org/10.1158/1940-6207.CAPR-17-0177
7. Zamani M., et al. (2023). Green Tea Supplementation and Cardiovascular Risk Factors: A Systematic Review and Meta-Analysis. Journal of Dietary Supplements. DOI: https://doi.org/10.1080/19390211.2021.2005634
8. Oketch-Rabah HA., et al. (2020). Green Tea Extract: Review of Composition, Safety, and Quality Issues. United States Pharmacopeia (USP) / Journal of Dietary Supplements. DOI: https://doi.org/10.1080/19390211.2020.1716292
9. Chung M., et al. (2020). Dose–Response Relation Between Tea Consumption and Cardiovascular Disease and Total Mortality: A Systematic Review and Meta-Analysis. Advances in Nutrition. DOI: https://doi.org/10.1093/advances/nmz131
10. Filippini T., et al. (2020). Green Tea (Camellia sinensis) for the Prevention of Cancer: A Systematic Review of Observational Studies. Nutrients, 12(1): 186. DOI: https://doi.org/10.3390/nu12010186 

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