Basic Information
| Product Name | Green Tea Extract |
|---|---|
| Synonym | Tea, Ext.; Green Tea Leaf Extract; Camellia Sinensis (Tea Plant) Leaf Extract; Camellia Sinensis Leaves Extract; Thea Chinensis Extract; Extract Of Camellia Sinensis Leaves; Camellia Sinensis Leaf Extract; Camellia Sinensis (Green Tea) Leaf Extract. |
| Latin Name | Camellia Sinensis O. Ktze. |
| CAS Number | 989-51-5 |
| Part Used | Leaf/Green Tea |
| Origin | China |
| Trademark | JINGMU |
| HS Code | 1302199099 |
| Grade | Food Grade |
| Appearance | Light Yellow Powder |
| Specification | EGCG 50%, 60%, 70%, 95% 98% ; TP 50%, 70%, 95%, 98%; Green Tea Powder 20% TP. |
| Solubility | 100% Water Soluble |
| Test Method | HPLC |
| Free Sample | 20g or 50g is avaliable |
| Production Capacity | 2 Tons/Month |
Description
Green Tea Extract, particularly its most abundant and bioactive catechin, Epigallocatechin Gallate (EGCG), delivers a wide spectrum of scientifically supported health benefits. Accounting for 30% to 50% of the total catechins in green tea, EGCG is a potent antioxidant. Its free radical scavenging capacity is remarkably 25 to 100 times stronger than that of vitamins C and E, making it a crucial defender against oxidative stress at the cellular level.
Sourced from premium Chinese green tea leaves, EGCG extract exhibits significant protective effects. Its mechanisms contribute to the prevention of certain cancers and cardiovascular diseases. Notably, EGCG demonstrates the ability to reverse Multi-Drug Resistance (MDR) in cancer cells, potentially enhancing the efficacy of conventional chemotherapy treatments. Furthermore, research indicates it can help mitigate cardiotoxicity, offering protective benefits for heart health.
Utilizing high-purity EGCG (90%-95%) ensures the concentrated delivery of green tea’s beneficial properties without unnecessary plant compounds. This purified form retains the core health advantages while offering exceptional compatibility and versatility. It integrates seamlessly into a diverse range of applications – including functional foods, beverages, and dietary supplements – imparting only a minimal, neutral flavor impact, allowing for flexible formulation across various product types and dosages.
Function
EGCG (Epigallocatechin Gallate): A Multifaceted Powerhouse from Green Tea
EGCG, the most abundant and biologically active catechin extracted from Camellia sinensis (green tea), stands as a remarkable phytochemical with profound implications for human health and wellness. Its unique molecular structure underpins a diverse spectrum of potent biological activities, making it a subject of intense scientific research and a highly valued ingredient in nutraceutical, cosmetic, and pharmaceutical applications. Below is a detailed overview of its key properties and benefits:
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Potent Antioxidant Activity:
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EGCG is renowned for its exceptionally strong antioxidant capacity, significantly exceeding that of vitamins C and E in many assays. It effectively scavenges harmful free radicals (reactive oxygen species – ROS and reactive nitrogen species – RNS) throughout the body.
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This robust antioxidant action is fundamental to its protective effects against oxidative stress, a key driver of cellular damage, aging, and numerous chronic diseases.
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Broad-Spectrum Health Protection:
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Antiviral Effects: Research demonstrates EGCG’s ability to inhibit the replication of a wide range of viruses, including influenza, herpes simplex, hepatitis C, and HIV, through various mechanisms like blocking viral entry or interfering with viral enzymes.
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Anti-Cancer Potential: EGCG exhibits significant chemopreventive and anti-proliferative effects against various cancer types (e.g., breast, prostate, lung, colorectal). Its mechanisms include inducing apoptosis (programmed cell death) in cancer cells, inhibiting angiogenesis (tumor blood vessel formation), suppressing tumor cell invasion and metastasis, and modulating signaling pathways involved in cell growth and survival. While not a standalone cure, it shows considerable promise as a valuable adjunct in cancer prevention and supportive therapy strategies.
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Cardiovascular Support: EGCG contributes to heart health by:
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Reducing blood lipid levels (cholesterol, triglycerides).
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Inhibiting LDL (“bad”) cholesterol oxidation, a critical step in plaque formation.
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Preventing atherosclerosis (hardening and narrowing of arteries).
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Improving endothelial function (blood vessel health).
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Reducing abnormal blood clotting (anti-thrombotic effects).
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Supporting anti-atherogenic processes overall.
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Metabolic & Weight Management Support: EGCG can:
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Enhance metabolism and promote fat oxidation (thermogenesis).
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Support healthy weight management efforts, particularly when combined with diet and exercise, by modulating fat absorption and utilization.
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Renal & Immune System Benefits:
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Renal Function: Studies suggest EGCG may protect kidney cells from damage caused by toxins, inflammation, or high blood sugar, thereby supporting improved renal function.
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Immune Enhancement: EGCG modulates immune responses, potentially enhancing the body’s defense mechanisms against pathogens and supporting balanced immune function.
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Dermatological & Cosmetic Applications:
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Anti-Wrinkle, Anti-Aging & Skin Rejuvenation: EGCG’s potent antioxidant activity combats free radicals generated by UV radiation and pollution, major contributors to skin aging. It helps preserve collagen and elastin, reducing the appearance of wrinkles and fine lines, and promoting healthier, more youthful-looking skin.
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UV Protection: While not a replacement for sunscreen, EGCG acts as a biological UV absorber, mitigating some damage caused by UVB and UVA rays and reducing inflammation (sunburn).
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Skin Conditioning: Its miscellaneous skin-conditioning properties include soothing irritation, reducing redness, improving skin texture, and exhibiting anti-inflammatory effects, making it highly versatile in cleansers, serums, moisturizers, and anti-aging formulations.
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Topical Antioxidant Shield: Provides a powerful antioxidant defense directly at the skin surface.
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Oral Hygiene Benefits:
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Leveraging its antibacterial (bactericidal) properties, EGCG effectively combats oral pathogens associated with plaque formation, gingivitis, and bad breath.
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Its odor-neutralizing capabilities further enhance its value in mouthwashes, toothpastes, and other oral care products.
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Application
Green Tea Extract, rich in bioactive polyphenols like epigallocatechin gallate (EGCG), boasts a remarkably diverse range of applications spanning numerous sectors. Its unique combination of antioxidant, antimicrobial, and health-promoting properties makes it a highly sought-after natural compound.
Key Industrial Applications:
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Pharmaceuticals & Nutraceuticals:
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Active Pharmaceutical Ingredient (API): Utilized in formulations targeting specific health conditions due to its potent biological effects.
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Health Food Raw Material: A foundational component in dietary supplements, capsules, tablets, and functional beverages aimed at promoting wellness.
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Pharmaceutical Intermediate: Serves as a crucial starting material or intermediate in the synthesis of more complex medicinal compounds.
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Food & Beverage Industry: Green Tea Extract is prized as a multifunctional natural food additive, fulfilling several critical roles:
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Potent Natural Antioxidant: Effectively combats lipid oxidation and rancidity in fats, oils, and fatty foods (e.g., snacks, baked goods, dressings), significantly extending shelf life and preserving freshness.
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Antistaling Agent: Helps maintain the texture, flavor, and overall quality of food products over time.
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Anti-Fading Agent (Color Stabilizer): Protects the natural pigments in foods and beverages, preventing undesirable color degradation.
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Functional Ingredient: Incorporated into health-focused foods and drinks to impart its inherent bioactive benefits.
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Cosmetics & Personal Care: Valued as a powerful cosmetic additive, it delivers multiple skin and oral health benefits:
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Anti-Aging & Anti-Wrinkle: Neutralizes free radicals and supports collagen production, helping to reduce the appearance of fine lines and wrinkles and improve skin elasticity.
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Brightening & Spot Reduction: Inhibits melanin production, effectively helping to fade hyperpigmentation and dark spots for a more even skin tone.
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Skin Soothing & Protective: Offers anti-inflammatory properties that aid in preventing and soothing skin sensitivities and certain dermatological conditions. Protects skin cells from damage caused by environmental stressors.
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Oral Care: Contributes to formulations that fight bacteria causing tooth decay (caries), dental plaque, gingivitis, periodontitis, and bad breath (halitosis).
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Photoprotection: Provides supplementary protection against harmful ultraviolet (UV) radiation from the sun, mitigating skin damage and contributing to the prevention of long-term effects like skin cancer. Often found in sunscreens and after-sun products.
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