Chinese people will send some tea when visiting relatives and friends, especially if the new son-in-law wants to pass the test, then the tobacco, alcohol and tea are arranged in minutes? Every time I go to your house, is it like a delivery, and the more I see the son-in-law, the more I like it.
But if you are not addicted to drinking tea, most people are always reluctant to drink good tea sent by others and always want to wait for an opportunity to share it with others, but every time they always close it and wait and take it out, it will expire. But looking at the exquisite packaging, it was obviously not opened, isn’t it a waste to just throw it away like this?
Can expired tea still be drunk?
After the tea leaves are picked from the tea tree, it will be processed through some processes to improve the tea aroma and taste of the tea leaves. There are many varieties of tea, and the storage method and shelf life of different varieties of tea are also different.
, such as the more common green tea, yellow tea , etc., their shelf life is relatively long, normally for 18 months. If is well preserved and the packaging is not unpacked, the storage time may be longer.
. Black tea is different from green tea, etc., the production of Black tea has an additional " fermentation" process, so the storage time of will be slightly longer. Usually it takes about 3 years. , and some teas can be stored for 15 years, this kind of tea is black tea. Pu'er tea can be saved for 10-20 years.
But what affects the safety, taste and quality of tea is not just the warranty time of the tea itself, it does not mean how long it is written on the packaging. As long as you drink it during this period, it will be healthy, and tea is fine.
After buying the tea, it is related to the method of preserving the tea, such as whether is exposed to light, temperature and humidity. Is it suitable for the preservation of tea ? If the tea leaves such as the shelf life become moldy, then this kind of tea will naturally be unsatisfactory.
Russian agricultural experts say Tea itself is a relatively fragile thing , which is very sensitive to everything, especially hi environmental odor and moisture , etc. It is best to put the tea you bought home in a sealed container. It is recommended to be made of ceramic, glass, and metal , which can avoid the loss of tea fragrance. If there is too much tea, you can do vacuum treatment to extend the shelf life , and you are not afraid of damage. If you drink often, put it in a paper box to stay away from moisture .
There are many studies in many countries that drinking more tea is beneficial to health and longevity in all aspects of the body, such as green tea and black tea. If the tea leaves expire, even if there is no mold, it will quietly oxidize, and some nutrients in it will be destroyed, and the aroma will evaporate into the air. Although such tea can be drunk properly, it will lose the value of a tea. It is better not to drink such tea. How to tell whether the tea in bulk is expired? First of all, look at the appearance. If you have seen the new tea you just made, you will find that although the color of the new tea is also dark, it is very shiny. You don’t need to smell it close to you and you will smell the tea fragrance, which is very light and unique. The fresher the The tea is, the tea leaves that come out of are also very green , just like just picked from the tea tree . The color of the tea leaves soaked for a long time is in a dark state of , which is not pleasing to the eye at all. At the same time, it not only does not have any tea fragrance, but also has a little rotten smell of , which is even a bit pungent. Finally, you touch it with your hands. If you feel that the tea leaves are not easy to break, and there will be no powdery things coming out , it may be that the tea leaves are a little and are a little moisture. Don't drink them again. ①: Strong tea Tea leaves not only contain the fragrance of tea and the philosophy of life, but also some caffeine , theophylline and other substances, which are irritating to the stomach and intestines, and strong tea contains a lot of caffeine. Studies have shown that drinking too much strong tea will damage the bones and increase the risk of fractures. If it exceeds 5-7 cups, it will be a bad thing. The risk factor is higher, which may cause headaches, insomnia, and vomiting. ②: Chuanwei Tea If you want to drink good tea and taste the fragrance of tea, you naturally have to drink it purely. As mentioned above, tea is a relatively sensitive thing. If foods with strong flavor are put together, it will easily cause flavour. It would be fine if the food was, but if some items containing toxins, such as paint, 84, mothballs , etc., slowly harmful substances will pass by and will be emitted into the air and enter the tea force, which will not only affect the taste, but also affect health. ③: Raw tea Raw tea is tea that is directly dried after finishing the braising without further aggravation. This tea contains severe Raw tea . What does it mean to be angry? For example, it is like the smell of grass emitted by the grass on the roadside that has just been cut off by the lawn mower . Raw tea containing this taste is generally irritating to the gastrointestinal mucosa. If middle-aged and elderly people drink it frequently, it may affect gastrointestinal function, resulting in stomachache . Young people will also drink too much. It is best to stir-fry the raw tea you bought in an iron pot and then soak it and taste it. To sum up, if you want to drink good tea, in fact, as long as you buy it in a regular mall, tea is generally guaranteed, but you don’t know the health and hygiene problems you buy from tea vendors or make yourself. But it is known whether it has expired. Don’t rush to throw it away when the expiration difference is over. You can put it in a disposable mask and put it in the refrigerator to remove the odor. It can also be regarded as waste utilization and not waste good things. There are three kinds of tea that cannot be drunk, either with the tea flavor or can be drunk