Green Tea Extract EGCG

Green tea extract is a herbal derivative from green tea leaves (Camellia sinensis), which contains antioxidant ingredients. Green tea and its derivatives are sometimes used as dietary supplements .

Green tea is one of the most popular and extensively used dietary supplement in the United States. Diverse health claims have made for green tea as a trendy ingredient in the growing market for nutraceuticals and functional foods.

Epigallocatechin gallate (EGCG), also known as epigallocatechin-3-gallate, is the ester of epigallocatechin andgallic acid, and is a type of catechin. EGCG, the most abundant catechin in tea, is a polyphenol under basic research for its potential to affect human health and disease. EGCG is used in many dietary supplements.

Xi'an Tongze can provide a variety of different green tea extract active ingredient specifications, welcome to consult.

Green tea extract is rich in a variety of active ingredients, such as tea polyphenols (especially epigallocatechin gallate EGCG), caffeine, theanine and vitamins, and has a wide range of applications and scientific support

1.Used in the Health care products

It is often added to functional powders and gummies, and can be made into capsules or tablets as a single ingredient or mixed with other ingredients such as vitamin C/E. It is used for anti-aging products, liver protection products, and weight loss products. EGCG with a purity of 50% -98% is commonly used in health products.

Xi'an Tongze Biotechnology's popular health product - Liver Protection Capsules, mixed formula with Silymarin. 

2.Used in the Cosmetic raw material

It is often added to essence liquid, face cream/lotion, sunscreen products, face cleaning products, etc., for anti-aging, anti light aging, soothing and anti-inflammatory, brightening and fading spots.

The effective concentration is usually between 0.1% and 2%, and the appropriate concentration can be selected according to your needs and the type of product

3.Used in the Food addition

Green tea extract can extend the shelf life of meat products, replacing artificial preservatives, and is recognized as one of the natural preservatives.

4.Used in the Daily chemical and agricultural innovation

The active ingredients in green tea extract can effectively kill bacteria and target disinfection sprays with an E. coli kill rate of more than 99%.

Green tea extract can inhibit the germination of cucumber powdery mildew spores and protect the growth of plants.

1.Antioxidant and anti-inflammatory

EGCG in green tea extract enhances the activity of cellular antioxidant enzymes (such as SOD and glutathione peroxidase) by activating the Nrf2 pathway, while inhibiting the NF-κB pathway to reduce inflammation.

Cream with 5% green tea extract can reduce the area of UV-induced skin erythema by up to 25%

Green tea polyphenols can reduce joint swelling in rheumatoid arthritis

2.Metabolic regulation

Catechins inhibit catechol-O-methyltransferase (COMT), prolong the decomposition of epinephrine to adipocytes, and activate lipolysis.

Inhibit fat synthesis and reduce preadipocyte differentiation.

Delay intestinal carbon and water absorption, reduce postprandial blood sugar peak by 15-20%, inhibit α-glucosidase

3.Neuroprotection and cognitive enhancement

Theanine penetrates the blood-brain barrier to promote the generation of alpha brain waves and enhance attention, while EGCG reduces the deposition of amyloid beta and reduces the neuronal damage in Alzheimer's disease model mice, which has a great effect on improving brain function.

4.Antibacterial and antiviral

0.5% green tea extract can reduce the formation of Staphylococcus aureus biofilm by 60%, and can also be combined with antibiotics to increase the eradication rate by about 18%.

EGCG blocks the binding of influenza virus hemagglutinin to host cells, indicating that green tea extract has antiviral effects.

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