a night tea, many people first reaction is not to drink, some articles It is even said that "drinking tea overnight will cause cancer".
says the reason for the cause of cancer in the night tea is that after the tea leaves are placed overnight, it will produce two levels of amines, which can be further transformed into carcinogens, nitrosamines, but two amines are widely found in many kinds of foods, such as rice, noodles, and fish, which are not unique to tea. In order to produce nitrosamines, in order to produce nitrosamines, nitrosamines must exist together with nitrates and have chemical reactions to form nitrosamines. In general, tea water is difficult to have these conditions. On the contrary, tea itself contains rich tea polyphenols and vitamin C, all of which are natural inhibitors of nitrosamines.
, can the overnight tea be drunk?
from the point of view of nutrition and health, the vitamins in the overnight tea are lost, the other nutrients are reduced, and the content of microbes in the overnight tea will rise; and a large amount of free tannic acid will be produced in the night tea, which has a direct stimulating effect on the gastric mucosa. Therefore, the overnight tea can not be drunk, but it is not a healthy drink.
, but do not drink, do not pour, overnight tea has many magical effects.
magical effect: prevention of gingival bleeding
night tea contains plenty of acid and fluorine, which can help prevent capillary bleeding. For oral problems such as gingival bleeding, overnight tea can be gargle for prevention and treatment.
Magic two: help relieve itching
shampoo or brush with warm night tea. The fluoride in tea helps relieve itching.
magical three: except for bad breath
overnight tea contains essential oils, gargling with overnight tea can refresh your breath.
Four: Ming Mu
tea polyphenols in tea has the effect of anti-inflammatory and anti-inflammatory, if eye fatigue, can be cleaned overnight tea, but attention is not deteriorated.
clever use five: skin care
tea contains tannic acid, the effect on the skin, and tea has antioxidant effect, towel dipped in the night tea wipe the skin, skin care role.
magical six: go fishy, greasy
use night tea to wash hands and brush pan, which helps to smell fishy, greasy, and can also remove oil.
Seven: bactericidal treatment of foot gas
tea contains tannic acid, which has bactericidal effect, especially for filamentous bacteria that cause foot gas.
Magic eight: maintenance of flowers and grass
the nitrogen atoms needed for plant growth in the night tea. Watering can add nutrients and keep the water in the soil to make the flowers grow better.