Tea polyphenols can prevent skin ultraviolet damage, eliminate oxygen free radicals, and prevent skin aging and wrinkle formation.
As an effective antioxidant, tea polyphenols can also inhibit the oxidation of dopaquinone and prevent the formation of pigment.
2. Anti-aging. Prevent wrinkles and pigments from appearing on the face.
It is mainly composed of tea polyphenols in white tea. Tea polyphenols in tea can improve skin antioxidant level, prevent free radicals from damaging cells and promote the growth of skin cells.
An experiment in Japan confirmed that the anti-aging effect of tea polyphenols is 18 times stronger than that of vitamin E, which can effectively prevent wrinkles and delay aging.
3, whitening.
Tannic acid in tea has a good effect on removing yellow gas and brightening skin color. Tea beauty has the advantages of safety and low irritation. The use method is simple, economical and applicable, and long-term adherence can achieve good results.
4, drainage slimming and fat reduction. Because white tea contains caffeine.
Extended data:
White tea production process:
The production process of white tea is the most natural. Put the collected fresh tea leaves thinly on a bamboo mat in weak light or in a room with good ventilation and light transmission effect, and let them wither naturally.
When it is 70% to 80%, it can be dried slowly with slow fire. Because the manufacturing process is simple, the processing procedures are the least.
It is made of single bud according to the processing technology of white tea, and is called Silver Needle Bai Hao.
White tea is generally collected from one bud and one leaf of Fuding Dabaicha, Quanchenghong, Quanchenglv, Fuding Dahao Tea, Quanchenghong, Quanchenglv, Zhenghe Dabaicha and fuan dabaicha, and processed into Bai Mudan or new white tea according to the white tea processing technology;
Using a bud and a leaf of vegetable tea, it is processed into Gongmei; White tea made of fresh leaves after acupuncture is called Shoumei. The production technology of white tea is generally divided into two processes: withering and drying, and the key is withering.
Withering is divided into indoor natural withering, compound withering and heating withering. It needs to be mastered flexibly according to the climatic conditions, and indoor withering or compound withering is better in sunny days in spring and autumn or in summer without sultry weather.
Its refining process is to remove stems, slice, wax leaves, red leaves and dark leaves, bake them with slow fire until they are dry enough, and only use fire incense to set off tea fragrance. When the water content is 4 ~ 5%, box it while it is hot.
The preparation method of white tea is characterized by not destroying the activity of enzyme, nor promoting oxidation, but also maintaining aroma and refreshing taste.
1, pick up the goods
White tea is picked one bud and one leaf according to the temperature, so that it can be picked early, tender, diligent and clean. Buds and leaves are blooming, with uniform size and short stems. Light mining and light release. Bamboo baskets are packed and stored.
Step 2 dry up
When picking fresh leaves, spread out bamboo plaques in time, with uniform thickness, and don't turn them over. After spreading, indoor natural withering, compound withering or heating withering can be flexibly selected according to climatic conditions and fresh leaf grades. When the tea leaves are 70% to 80% dry, indoor natural withering and compound withering need to be screened together.
3. Dry ...
Primary drying: dryer temperature 100- 120℃, time 10 min; Let it cool: 15 minutes. Redrying: the temperature is 80-90 DEG C; Bake at low temperature for a long time at about 70℃.
Step 4 rescue
The water content of dry tea leaves should be controlled within 5%, and put into the freezer at 1-5℃. The tea leaves taken out of the freezer are unpacked after three hours.
White tea storage can be summarized in eight words: ventilation, sun protection and moisture protection? [8]? . In the preservation of white tea, we must pay attention to the storage environment of tea, and we must not place white tea in an environment with high temperature, strong light and peculiar smell? [8]? It is best to ensure that the tea storage environment can be properly ventilated, dry, room temperature, and no odor.
White tea efficacy:
White tea not only contains nutrients inherent in other tea leaves, but also contains active enzymes necessary for human body. Drinking white tea for a long time can significantly improve the activity of lipase in the body and promote fat catabolism.
White tea is rich in a variety of amino acids, cold and cool, and has the functions of clearing away heat, relieving summer heat and detoxifying. Drinking a cup of Bai Mudan tea in summer in producing areas, few people will get heatstroke.
The longer the storage time of white tea, the higher its medicinal value.
White tea is also rich in provitamin A, which can be quickly converted into vitamin A after being absorbed by the human body. Vitamin A can synthesize rhodopsin, which can make eyes see things more clearly in dark light and prevent night blindness and dry eye.
At the same time, white tea also contains anti-radiation substances, which have a significant protective effect on human hematopoietic function and can reduce the harm of TV radiation.
Therefore, it is good to drink more white tea when watching TV, especially for children, who should advocate drinking more white tea to protect their eyes.
References:
Baidu encyclopedia-white tea