If tea leaves are placed in a place with strong sealing, cool, dry and low temperature,The comparison is favorable for preservation.Some teas, such as pu 'er tea and da hong pao, are left for a longer time, making them more mellow and delicious.Black tea.It is a fully fermented tea. Different from pu 'er tea and da hong pao tea, black tea is fresh and strong and fresh. Even if black tea is still drinkable, it will certainly taste and taste worse than before. Throw it away or use it for some other purpose.Green tea: at present, the country has made tea standards based on food hygiene standards, and also made a limit on the shelf life. Green tea generally lasts no more than a year and a half, but can expire in two months if it's not stored properly and has excessive moisture.Tea is a drink and of course it has a shelf life. Tea leaves can also be moldy after the expiration date or if stored improperly. The moldy tea can't be drunk any more.Usually, sealed tea leaves have a shelf life of 12 to 24 months and are marked on the package. The shelf life of loose tea is shorter, when buying, try to choose the new tea of the year to buy it. But if the tea really expired and no mildew, can also drink, but the stomach is not good people to be careful to drink!
