A, green tea effects and functions?

1, sunscreen

Green tea catechins have a strong antioxidant function, will contain green tea ingredients in skin care products coated in the skin, even if the sun exposure, can make the skin leading to sunburn, sagging and roughness of the reduction of peroxides by about 1/3. This proves that the ingredients in the green tea has the function of sunscreen.

2, anti-radiation

Tea is rich in vitamin A original, absorbed by the body can be quickly converted into vitamin A. Vitamin A can synthesize retinol, so that the eyes in the dark light to see things more clearly. Therefore, green tea can not only eliminate computer radiation, but also protect and improve eyesight.

3, lipid

Drinking tea can reduce blood lipids and cholesterol in the blood, because the tea phenolic derivatives, aromatic substances, amino acids, vitamins, substances, the results of the integrated coordination, especially tea polyphenols and theophyllin and vitamin C, the combined effect of the tea polyphenols can promote fat oxidation, help digestion, lipid reduction and weight loss.

4, anti-bad breath

Green tea contains fluoride, which catechins can inhibit the role of caries-bearing bacteria, reduce plaque and the occurrence of periodontitis. Tea contains tannic acid has a bactericidal effect, can prevent the propagation of food debris bacteria, so it can effectively prevent bad breath.

5, anti-aging

Green tea contains antioxidants to help resist aging. Because the process of human metabolism, if the over-oxidation, will produce a large number of free radicals, easy to age, but also make the cell injury. SOD (superoxide dismutualization) is a free radical scavenger, can effectively remove excess free radicals, to stop the free radicals on the human body damage.

Two, green tea drinking taboos

1, easy to insomnia should not drink more green tea

Tea contains a large amount of caffeine, and these bases can promote the human brain center excitation, so often easy to insomnia should not drink tea, especially before going to bed, otherwise it will lead to the muscle body more excited.

2, tea and lamb do not match

Lamb is hot food, and tea is cool food and tea has a lot of caffeine, if you drink tea after drinking lamb soup, easy to cause diarrhea, two hours after drinking lamb soup and then drink tea.

3, pregnant women prohibited

Tea contains a large number of caffeine and tea polyphenols, and these pregnant women have a very negative impact on the fetus in the womb, which can easily lead to pregnant women in the womb of the fetus intellectual problems.

Expanded

Green tea storage method

1, avoid humidity

Green tea tea is a loose and porous hydrophilic material, so it has a very strong moisture absorption and also moisture. When storing green tea, the relative humidity at 60% is more appropriate, more than 70% will be due to moisture absorption and the occurrence of mold, and then acidification and deterioration.

2, avoid high temperature

Green tea tea leaves best preservation temperature of 0-5 ℃. Too high a temperature in the tea amino acids, sugars, vitamins and aromatic substances will be decomposed and destroyed, so that the quality, aroma, flavor are reduced.

3, avoid sunlight

Sunlight will promote the oxidation of green tea tea pigments and esters, can decompose chlorophyll into demagnesium chlorophyll. Green tea tea leaves stored in glass containers or transparent plastic bags, irradiated by sunlight, the intrinsic material will have a chemical reaction, so that the quality of green tea tea leaves deteriorated.

4, avoid oxygen

Green tea tea leaves in the chlorophyll, aldehydes, esters, vitamin C and other easy to combine with oxygen in the air, oxidized green tea tea leaves will make green tea tea soup color red, dark, so that the nutritional value is greatly reduced.

5, avoid odor

Green tea leaves contain high molecular palm enzymes and terpene compounds. These substances are extremely unstable in nature and can absorb odors. Therefore, tea and odor items mixed storage, it will absorb the odor and can not be removed.

People's Daily News - 9 effects of drinking green tea benefits

People's Daily News - What are the effects of drinking green tea? What are the contraindications to drinking green tea?