From the point of view of nutrition and hygiene, vitamins in overnight tea are greatly lost, other nutrients are also reduced, and the content of microorganisms in overnight tea will increase, especially when it is hot every day in summer;
Moreover, overnight tea will produce a large amount of free tannic acid, which has a direct stimulating effect on gastric mucosa. Therefore, whether you can drink overnight tea depends on your physical condition and the deterioration of tea. If the stomach is healthy and the overnight tea has not deteriorated, then the overnight tea can also be drunk.
Extended data:
Other benefits:
1, overnight tea will not cause cancer, but from the perspective of nutrition and hygiene, it is recommended to drink it now, and try to avoid drinking overnight tea, not to mention drinking spoiled overnight tea. Although you don't drink it, don't throw it away. These overnight teas can be used as "afterheat" and make full use of the value of tea, because it still has many wonderful uses.
2, overnight tea is rich in acid and fluoride, which can prevent capillary bleeding. Used for stomatitis, eczema, gingival bleeding, etc. You can gargle with overnight tea to prevent and treat it. Wash your hair or wipe your body with warm overnight tea. Fluorine in tea can quickly relieve itching and prevent eczema.
People's Network-Overnight tea is actually a good thing.