Green Tea Polyphenols

Shaanxi Yuantai Biological Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of green tea polyphenols in China. With abundant experience, we warmly welcome you to wholesale bulk green tea polyphenols for sale here from our factory. Quality products and reasonable price are available.

Tea polyphenols are a general term for polyhydroxyphenolic compounds in tea. They consist of flavanols (mainly catechins, accounting for 60%-80%), flavonols, anthocyanins, phenolic acids, and benzoic acid derivatives. Tea polyphenols are widely used in functional foods, dietary supplements, oral care products, and skincare products.

YTBIO supplies Green Tea Polyphenols in a full range of grades from 15% to 90%. All products are made from unfermented green tea and are suitable for tablets, capsules, solid beverages, oral liquids, and daily chemical formulations. They are fully certified, support sample testing, and offer flexible MOQs.

 Please contact us for more product specifications, test reports, and other information.

1. Helps to delay aging.

Tea polyphenols have good antioxidant capacity. Tea polyphenols are the scavenging elements of free radicals in the human body. Only a small amount of tea polyphenols is needed to scavenge a large number of free radicals in the human body. Tea polyphenols also have the ability to block the excessive oxidation of fatty substances, so that active enzymes can be well removed.

2. Helps prevent and treat radiation injuries

Tea polyphenols are known as the strongest anti-radiation substances, because tea polyphenols and its oxidized substances can absorb the damage caused by radioactive substances very well.

3. Helps inhibit and fight bacteria

Tea polyphenols also have a strong antibacterial effect. Good bactericidal effect on bacteria

4. Helps in beauty and skin care

Tea polyphenols can inhibit the abnormal activity of melanocytes, reduce the formation of melanin, increase the elasticity of collagen and the amount of protein, so that the skin can be whitened, bright, natural and wrinkle-free.

5. The effect of preventing caries and fixing teeth and removing bad breath

Tea polyphenols can kill lactic acid bacteria and other carious bacteria existing in the crevices of the teeth, and have the effect of inhibiting the activity of glucose polymerase, so that the bacteria cannot implant on the teeth, effectively interrupting the process of caries formation. The protein food remaining in the teeth becomes the matrix for the proliferation of spoilage bacteria, and tea polyphenols can kill such bacteria.

6. Aids in digestion

Tea polyphenols can enhance the peristalsis of the digestive tract. In addition, tea polyphenol compounds can adhere to the wound of the stomach in a thin film state, and play a protective role on the ulcer wound.

7. Improve human immunity

Tea polyphenols stimulate changes in antibody activity by increasing the total amount of immune globulin in the human body and maintaining it at a high level, thereby improving the overall immunity of the human body

Food application

The phenolic hydroxyl groups in tea polyphenols have the ability to provide active protons and capture free radicals formed by the auto-oxidation of oils.

The peroxidation inhibition rate of tea polyphenols with a content of 40% on lard, fast food noodles, sausages, biscuits, etc. can reach 75-95%, which is obviously better than that of BHA, BHT, VE, etc., and has a synergistic effect with CV, VE, etc. It can enhance the stability of VA, VB2 and B-carotene in food and inhibit bacterial growth.

Daily necessities application

Tea polyphenols are water-soluble substances. Washing your face with it can remove the greasy face, astringe pores, disinfect, sterilize, resist skin aging, and reduce the damage to the skin caused by ultraviolet radiation in sunlight.

Tea polyphenols are water-soluble substances. Female friends who want to use it for skin whitening or skin care can soak tea polyphenols in water and use it to wash their faces. Not only can it clear the excess oil on the face, but it can also shrink pores to achieve a whitening effect. It has a very powerful antioxidant and anti-aging effect on the skin.

Health product application

Anti-aging and enhance immune function; aid digestion; prevent radiation damage; strengthen teeth, prevent dental caries, deodorize and detoxify, etc.

Composition

Tea polyphenols are the main components that determine the color, aroma, taste and efficacy of tea leaves, accounting for 20% to 30% of the dry weight of tea leaves. According to the main chemical components, tea polyphenols are divided into four categories: catechins, flavonoids, anthocyanins, and phenolic acids. Among them, catechins have the highest content, accounting for 60% to 80% of tea polyphenols. The catechins are mainly epicatechin (EC), epigallocatechin (EGC), epicatechin gallate (ECG) and epigallocatechin gallate (EGCG). Among them, gallocatechin (GC), epigallocatechin (EGC), epigallocatechin gallate (EGCG), epicatechin (EC), epicatechin gallate (ECG) 5 A compound is a key ingredient in tea quality control

It has good heat resistance and acid resistance, and is very stable in the range of pH=2～7. Slightly hygroscopic, the pH of the aqueous solution is 3 to 4. It is prone to oxidative browning under alkaline conditions. Catechins account for about 60% to 80% of the total tea polyphenols. In the polyphenols extracted from green tea and its by-products as raw materials, the content of tea polyphenols is greater than 95%, including 70% to 80% of catechins, 4% to 10% of flavonoids, and 0.3% to 0.5% of gallic acid; Amino acid 0.2% to 0.5%; total sugar 0.5% to 1.0%. Chlorophyll is mainly pheophytin, with a content of 0.01% to 0.05%.

During the extraction process, due to the oxidative polymerization of a small amount of tea polyphenols, it appears light yellow to brown, with a slight tea aroma and astringency; easily soluble in ethanol, methanol, ethyl acetate, acetone, etc., slightly soluble in oil, insoluble in benzene and chloroform and other organic solvents; good heat resistance, hygroscopicity, stable at pH 2 to 7, and easy to oxidative polymerization under the conditions of light or pH > 8. Can form green-black compounds with iron ions

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