Longjing tea, as a common green tea, contains a variety of nutrients, including vitamins, tea polyphenols, caffeine, fatty acids, and various inorganic salts and trace elements such as potassium, zinc, magnesium, iron, manganese, cobalt, selenium and fluorine. And has good health care effect. The nutritional value of Longjing tea specifically includes:
1, Longjing tea contains many vitamins, especially vitamin C. The content of vitamin C in fresh leaves of super-grade Longjing can reach above 1%. After making dry tea, vitamin C 100 ~ 300mg remains in 100g dry tea.
2. Longjing contains a variety of B vitamins. 100g of dry tea contains about 0.5mg of vitamin B 1 (thiamine), about 0.5mg of vitamin B2 (riboflavin), about 0.8mg of vitamin B3 (pantothenic acid) and about 6.5mg of calcium pantothenate (nicotinic acid). ..
3. Longjing tea contains more vitamin E, and100g dry tea contains about 35mg.
4. Longjing tea contains a certain amount of carotene, which is the source of vitamin A. 100 g of dry tea contains about 18 mg.
5. Longjing tea contains a lot of tea polyphenols, among which the content of catechin is large, and the content of ester catechin with strong pharmacological activity is high. 100g dry tea contains 20-25g tea polyphenols, of which about 15g is catechin.
What kind of tea is Longjing tea?
Longjing tea is one of the famous teas in China, which belongs to green tea (what are the varieties of green tea? >>). Longjing tea is mainly produced in West Lake, Hangzhou, Zhejiang. Longjing Tea is named after Longjing Village in West Lake. Among them, Longjing tea produced in West Lake area is called West Lake Longjing, which is very famous among famous teas in China. Others can be called Zhejiang Longjing Tea, including Qiantang Longjing Tea and Yuezhou Longjing Tea. Longjing tea is green in color, mellow in taste, rich in tea fragrance and shaped like a hairy tip.
Expanding knowledge: the efficacy and function of Longjing tea
As we all know, drinking tea is good for people. Different kinds of tea have different effects on the body. So what are the benefits of drinking Longjing tea?
1, antibacterial and anti-inflammatory
Tea contains tea polyphenols, tannic acid and other substances, and bacteria themselves are composed of protein. When tea polyphenols meet bacterial proteins, bacteria will die immediately. Therefore, Longjing tea has very good antibacterial and anti-inflammatory effects.
Step 2 lose weight
Everyone has heard of drinking tea to lose weight. Obesity is mainly caused by excessive body fat. Caffeine, inositol, folic acid, pantothenic acid and aromatic substances in tea are very helpful to the regulation of fat.
3, refreshing
Everyone knows that drinking tea will affect sleep, because caffeine in tea will excite people's central nervous system. But in order to achieve the effect of refreshing and eliminating fatigue, drinking Longjing tea is also a good choice.
4. Promote urination
At the same time, caffeine and theophylline have diuretic effects, so they have a good effect on treating edema and stagnant tumors.
5. Reduce blood pressure and blood lipids
Tea polyphenols, vitamin C and vitamin P in tea are all effective pharmaceutical ingredients for preventing and treating hypertension. Tea polyphenols can improve the function of capillaries, catechins and theaflavins can inhibit the activity of vascular conversion enzymes and directly lower blood pressure. At the same time, it has a good effect on inhibiting arteriosclerosis, strengthening the heart and relieving spasm.
Step 6 fight cancer
Studies show that tea polyphenols can prevent cancer. In addition, vitamin C and vitamin E in Longjing tea can block the synthesis of nitrosamines, which are carcinogenic substances, and also play a great role in the prevention and treatment of cancer.
7. Protect your teeth
We know that toothpaste contains fluorine, which has a great health care effect on teeth, and tea also contains fluorine, so it has a good health care effect on teeth. So there is often tea to gargle after meals.
8. Fresh breath
Fresh breath to remove bad breath is one of the important benefits of drinking Longjing tea, because Longjing tea is rich in tea polyphenols and theophylline, which can inhibit the activity of bacteria in human mouth, prevent these bacteria from breeding in human body, remove bad breath, refresh breath and prevent oral inflammation.