Overnight tea is generally fine to drink, but it is not recommended if a change in food properties such as odor has occurred.
Tea is a beverage made from tea leaves, also known as tea. Tea can be drunk overnight, as long as it is stored in a sealed container and at the right temperature, it will not deteriorate and will not produce toxins and harmful substances. Appropriate consumption of tea can supplement the body with the right amount of water, tea polyphenols and other nutrients.
Normally, you can drink a moderate amount of fresh tea, because the tea leaves in the overnight tea steeped for too long, will lose green, yellow, tea flavor will be slightly bitter, taste is not good.
The tea brewed on the same day, can try to drink the same day, such as really can not drink the end, can be sealed and covered with tea placed in the refrigerator, once found that the overnight tea deterioration, odor phenomenon, can not be consumed again. If you feel unwell after drinking overnight tea, you should consult a doctor in time.