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Tea polyphenols is the general name of polyphenols in tea. It is a white amorphous powder, easily soluble in water, soluble in ethanol, methanol, acetone, ethyl acetate, but insoluble in chloroform. The content of tea polyphenols in green tea is high, accounting for 15% ~ 30% of its mass. The main components of tea polyphenols are: flavanones, anthocyanins, flavonols and anthocyanins, phenolic acids and phenolic acids. Flavanones (mainly catechin compounds) are the most important, accounting for 60% ~ 80% of the total tea polyphenols, followed by flavonoids, and the content of other phenols is relatively small

Specification:Green Tea 98%Polyphenols 50% EGCG

Light yellow to brown, slightly tea aroma, astringent taste,Soluble in ethanol,highly hygroscopic, good solubility

Benefits of Green Tea 98%Polyphenols 50% EGCG

1. Anti-oxidation

A large number of experimental studies have shown that the pharmacological activities of tea polyphenols, such as anti-tumor, anti-aging and regulating blood lipid, are closely related to the antioxidant properties of tea polyphenols.

2, Regulate blood fat

Tea polyphenols can comprehensively adjust blood lipids, especially reduce the content of TG (triglycerides), TC (total cholesterol) and low density lipoprotein cholesterol (LDL-C) in serum, and increase the high density lipoprotein. In addition, tea polyphenols are strong inhibitors of low-density lipoprotein oxidation, which can effectively inhibit the oxidation modification of LDL, and have a certain inhibitory effect on the factors affecting the formation of atherosclerosis.

3, Antiviral, antibacterial effect

Tea polyphenols as a broad spectrum, strong, low toxicity antibacterial drugs has been recognized by many scholars in the world.

4. Anti-tumor effect

Tea polyphenols showed anti-mutation effect in vitro, and inhibited the tumors of skin, lung, anterior stomach, esophagus, pancreas, prostate, duodenum, colon and rectum caused by carcinogens in rodents.

5. Other functions

Tea polyphenol is a natural antioxidant with significant antioxidant effect, which can eliminate excessive free radicals in the human body, protect the structure of cell membrane, slow down human aging and prolong human life. Tea polyphenols have unique protective and therapeutic effects on the skin, which can effectively prevent the skin damage caused by ultraviolet rays, prevent aging and wrinkling, remove brown spots, prevent acne, prevent edema and anti-allergy. In addition, tea polyphenols can also improve chronic renal failure and glomerulonephritis, and regulate the immune function.

Dosages of Green Tea 98%Polyphenols 50% EGCG


Daily intake of 3 to 5 cups/day (720 to 1,200 mL) of green tea provides at least 180 mg of catechins and at least 60 mg of theanine. Green tea extract should not be taken on an empty stomach due to the potential for hepatotoxicity from excessive levels of epigallocatechin gallate (EGCG).

Why buy Green Tea 98%Polyphenols 50% EGCG from Nootropicsorigin?

We provide high purity products with factory prices and low MOQ, also provide you best delivery solutions, and we know all countries’ policies to this kind of medical ingredient.