Therefore, it is often called polyphenol. Tea polyphenols used to be called tea tannin and tea tannin. Tea polyphenols in tea
Generally, its content is 15%-20%.
Flavanol is the main component of tea polyphenols, and flavanol is catechin.
Material is dominant. The content of catechin accounts for about 70% of the total amount of tea polyphenols.
Pharmacological effects of tea polyphenols;
1. has a strong scavenging effect on harmful free radicals.
2. Anti-aging effect.
3. radiation resistance.
4. Inhibitory effect on cancer cells.
5. Antibacterial and bactericidal effects.
6. Inhibitory effect on HIV.
In fact, many functions of tea are due to tea polyphenols in tea. Chaduo
Phenol can be used for food preservation and antisepsis, and it has no toxic side effects and is safe to eat. Tea can be preserved for a long time.
No deterioration time, which is beyond the reach of other leaves, vegetables and flowers. tea polyphenol
Adding other organic substances (mainly food) can prolong the shelf life and prevent food from fading.
Improve the stability of cellulose and effectively protect various nutritional components of food. Its main uses are as follows
1. Used for cakes and dairy products. For high-fat cakes and dairy products, such as moon cakes and biscuits,
Cake, instant noodles, milk powder, cheese, milk, etc. Adding tea polyphenols can not only keep its original.
Flavor, antisepsis, prolonging shelf life, preventing food from fading, inhibiting and killing bacteria, extract
High food hygiene standards have prolonged the sales life of food. In addition, it can make the sweetness sour.
Disappear, the taste is sweet.
2. Tea polyphenols used in beverage production can not only be used to prepare drinks such as fruity tea and lemon tea, but also
Inhibit the degradation of vitamins such as VA and VC in beverages such as soybean milk, soda and fruit juice.
Not good, so as to ensure all kinds of nutrients in the drink.
3. Spray low-concentration tea polyphenols on fresh fruits and vegetables to keep them fresh.
The solution can inhibit bacterial reproduction, maintain the original color of fruits and vegetables, and achieve the purpose of preservation and prevention.
The purpose of corruption.
4. Tea polyphenols are used in livestock meat products for meat and its pickled products such as sausages, canned meat,
Bacon and so on. It has good quality assurance and anti-loss effect, and is especially suitable for heat-resistant buds in canned food.
Bacteria have obvious inhibition and killing effects, which can eliminate odor and fishy smell and prevent oxidation.
The role of discoloration.
Adding tea polyphenols to edible oil storage can prevent and delay the automation of unsaturated fatty acids.
Oxidative decomposition, thus preventing oil from deteriorating and prolonging the storage life of oil by more than one time.
In addition, the by-product caffeine of tea polyphenols, also known as caffeine, is white crystal or powder.
Finally, dissolve in water, ethanol, etc. It can excite the cerebral cortex, so it has a refreshing effect. Common system
The drug is caffeine benzoate, a central stimulant, which can strengthen the cerebral cortex.
Exciting process, used for neurasthenia and mental depression and preparation of compound acetylsalicylic acid and ammonia.
Non-coffee tablets are used as medical devices.