Green tea extract supplier Qherb is China’s most significant green tea extract factory—leading Tea polyphenols Manufacturers and Exporters dealing in Herbal and Plant Extracts.

Green tea extract with polyphenols is a dietary supplement that is derived from the leaves of the green tea plant (Camellia sinensis). It is a concentrated form of the beneficial compounds found in green tea, primarily polyphenols, a type of antioxidant. Green tea extract with polyphenols is known to have several health benefits.

Main components

Tea polyphenols are green tea extracts and tea’s complex components. More than 600 compounds have been found in tea extracts.


Tea polyphenols are natural compounds found in tea leaves, particularly in green and black tea. They belong to a larger group of chemicals known as polyphenols, which are known for their antioxidant properties. The main types of tea polyphenols include catechins, theaflavins, and thearubigins.

Including flavanols (catechins), 4-hydroxy flavanols, flavonoids, anthocyanins, and phenolic acids. Flavanols are the central part of polyphenols, accounting for about 80%, including catechin (C), epicatechin (EC), epigallocatechin (EGC), epigallocatechin (ECG), epigallocatechin gallate (EGCG), and a small amount of catechin gallate (CG), gallocatechin (GC), etc. Flavonoids include quercetin, kaempferol, flavonol gallate, etc.


Anthocyanins, chlorophyll, lutein, carotene, etc.


Mainly caffeine (1%~5%) and a small amount of theophylline, theobromine, and xanthine.


Theasaponol E, Theafolisaponin, etc. Protein and amino acids: theanine, phenylalanine, glutamate, etc., hydrolase, protease, phosphorylase, oxidoreductase, etc.


Cellulose, starch, pectin, etc.

Aromatic substances:

heptenenol, heptenenal, green grass alcohol, benzyl alcohol, etc.

Qherb-Your  reliable plant extract and green tea extract supplier in China

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