Views: 9 Author: Ellie Publish Time: 2019-09-25 Origin: Site
Tea polyphenols are a general term for polyphenols in green tea. Studies have indicated that active substances such as tea polyphenols have detoxification and anti-radiation effects, are novel natural antioxidants, have inhibitory effects on collagenase and elastase, and can maintain skin elasticity and achieve anti-wrinkle effect. In addition, it also has antibacterial, anti-aging skin, and reduces the effects of ultraviolet rays on skin damage. Most of the sunscreens are oil-soluble compounds, some of which are irritating to the skin, while sunscreens with water-soluble tea polyphenols as active ingredients are naturally non-irritating, can block ultraviolet rays, remove ultraviolet-induced free radicals, and reduce melanin.
Green tea extract can be used in shampoo to achieve anti-dandruff and anti-itch effect; used for hair care, can improve hair gloss, smoothness, softness, reduce greasy, prevent hair loss; used for dyeing hair, among them for colored materials For semi-persistent dyeing and uniform long-lasting dyeing of hair. The patented products applied include toiletries, Yangshengtang uses tea polyphenols as dyes, and L'Oreal, France uses products containing green tea extracts for semi-persistent hair coloring and permanent hair coloring. Foreign countries mainly use green tea extracts for shampoos, sprays, gels, etc., which have antibacterial, anti-dandruff, anti-inflammatory effects and the like. Unilever uses green tea extract to improve hair greasy hair caused by excessive sebum secretion in the head, preventing hair aging, hair thinning, and tarnishing. Johnson & Johnson used it to treat acne and reduce scalp oil and large pores.
Green tea extract is an active ingredient extracted from green tea leaves, mainly including tea polyphenols (catechins), caffeine, aromatic oils, moisture, minerals, pigments, carbohydrates, proteins, amino acids, vitamins and the like. Tea polyphenols have anti-oxidation and scavenging free radicals. It can significantly reduce the serum total cholesterol, triglyceride, low-density lipoprotein cholesterol content of hyperlipidemia, and at the same time has the effect of restoring and protecting vascular endothelial function. The hypolipidemic effect of tea polyphenols is also one of the main reasons why tea can make obese people lose weight without rebounding.
The efficacy and effect of green tea extract:
1. Antioxidant
Tea polyphenols can block the lipid peroxidation process and increase the activity of enzymes in the human body, thereby exerting anti-mutation and anti-cancer effects.
2. Inhibit tumor
Tea polyphenols can inhibit the synthesis of DNA in tumor cells and induce the cleavage of mutant DNA, thereby inhibiting the synthesis rate of tumor cells and further inhibiting the growth of tumor growth.
3. Sterilization and detoxification
Tea polyphenols can kill botulinum and spores and inhibit the activity of bacterial exotoxins. It has an antibacterial effect on various pathogenic bacteria that cause diarrhea, respiratory tract and skin infections. Tea polyphenols have obvious inhibitory effects on Staphylococcus aureus and mutant bacilli causing purulent infection, burns and trauma.
4. Hangover and protect the liver
Alcoholic liver injury is mainly caused by free radical damage caused by ethanol. Tea polyphenols act as free radical scavengers and have the effect of inhibiting alcoholic liver damage.
5. Clearing the poison
Severe environmental pollution has obvious toxic effects on human health. Tea polyphenols have a strong adsorption effect on heavy metals, and can form complexes with heavy metals to form precipitates, which is beneficial to reduce the toxic effects of heavy metals on the human body. In addition, tea polyphenols also have the effect of improving liver function and diuresis, and thus have a better anti-lysis effect on alkaloid poisoning.
6. Improve the body's immunity
Tea polyphenols can improve the overall immunity of humans by increasing the total amount of human immunoglobulin and maintaining it at a high level, thereby promoting the body's own conditioning function.
