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If the tea leaves expire, the tea will slowly moisten, some molds breed in it, the tea is soaked in water due to the temperature drop, the bacteria will corrode the soaked tea leaves, and the expired tea leaves cannot be drunk.
Tea has a shelf life, but it is related to the variety of tea, and the shelf life of different teas is also different.
In general, it is better to be fresh. Like green tea, the shelf life is generally about one year at room temperature. However, the main factors that affect the quality of tea are temperature, light, and humidity. If stored properly, tea leaves can last for a long time.
To judge whether the tea is expired, there are mainly the following aspects: to see whether it is moldy; Whether the green tea turns red, and the soup color turns brown and dark; The strength of the taste, in addition to the shelf life on the packaging, and if it is a loose tea, it is best not to drink it for more than 18 months.
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China's tea culture has a long history, our love for tea is very large, so there are many kinds of tea, tea in different regions have different characteristics, its taste and tea aroma will be different, although the fried tea can be preserved for a long time, but it is inevitable to encounter the expiration of the tea time, so what will happen to the expired tea? Now let's talk about it in detail.
If it is a freshly expired tea, even if you drink it accidentally, it will not have a great impact on the body, the only effect is that the taste and taste will change, and the color of the brewed tea will be relatively turbid. For friends who pursue high-quality tea and taste, expired tea leaves can be seen as soon as they are brewed.
If it is a tea that has expired for a long time, then the tea will deteriorate and oxidize, which will not only breed some bacteria, but also produce some microorganisms, which are some toxic and harmful substances. Therefore, drinking tea that has expired for a long time will still have a certain impact on people's health, and for people with poor physical resistance, they will be easy to get sick, which will outweigh the losses.
So for expired tea, the best thing to do is to throw it away, whether it is for the taste or for the health of the body, it is not recommended to drink expired tea, so don't think that it will be wasted, good health is often the first priority.
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If it has just expired, there will generally be no problem, that is, the taste and taste will change, if your own immunity is not good, the expired tea will produce bacteria and toxic substances, and it will be easy to get sick, so you need to go to the hospital to see the specifics. Generally there are no major problems. Just pay attention next time.
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What happens when you drink expired tea? If the tea leaves expire, there will be aflatoxin when wet, so drinking expired tea leaves is likely to cause poisoning.
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Dangers of drinking expired tea:
1. Expired or deteriorated tea contains very few nutrients, and the taste and soup color will change, and the taste is not good.
2. Expired tea leaves are easy to react with air, and microorganisms will be produced in a short time, and there will be a large number of toxic substances, which will have an impact on the human body's respiratory or nervous system.
3. In addition, tea as a drink, has a certain shelf life, if the discomfort caused by drinking is expired, the merchant will not compensate, and only during the shelf life will the merchant be responsible for the quality of the tea.
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See what kind of tea it is, and then how to store it. The expiration date is very difficult to say, if the storage method is not correct, it may change the flavor in 1 or 2 months and cannot be drunk, if it is stored well, it can still be drunk for decades (it becomes old tea). If you're not sure, you can soak a little bit and take a sip to see if you can identify it.
Take Tieguanyin as an example, depending on how you save it, if you throw it casually, without putting it in the refrigerator or freezer, it usually tastes like that for half a month or a month, and you can try it yourself. Of course, there are also people who keep it in a dry and cool place, put it for a few years or even decades, and turn it into old tea, which tastes like Pu'er tea. Hehe, of course, it depends on personal taste.
Thank you for adopting!
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It is recommended not to drink it, but for bulk tea leaves, as long as there is no mildew effect, it can be eaten in the sun and does not affect drinking. But for the general tea leaves, the fresher the better. For example, the shelf life of green tea is generally about one year in a low temperature environment.
The main factors affecting the quality of tea are light, temperature and humidity. If the storage method is appropriate, reduce or eliminate these influencing factors, the tea can be kept for a longer time, but for expired vacuum-packed tea, it can also be drunk, but it will be a little ***.
Because expired tea leaves or which hall will be more or less harmful to health, although the expired tea will not be too different in color and taste, but the ingredients in it have changed, and the nutritional value has been lost, so it is still recommended to drink fresh tea for your health.
Precautions: Expired tea, especially the moldy tea, will slowly damp, and then there will be some mold breeding, this kind of tea soaked in water, due to the temperature drop, bacteria will rot the tea, generate some harmful toxins, so expired tea is best not to drink.
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It's going to expire. Expired tea, as the name suggests, is expired and spoiled tea leaves that cannot be drunk, however, expired tea has other wonderful uses. Put expired tea leaves in an open small container in the refrigerator, which can absorb various odors; If your hands have a peculiar smell, you can also rub the expired tea leaves on your hands, which also has the effect of removing the odor.
Drinking green tea mainly lies in the word "fresh", so you can drink it after the new tea comes out and is placed for half a month or a month. Green tea, not fermented, has higher requirements for preservation, and it will turn yellow if it is not stored properly, and the aroma and taste will be greatly reduced after yellowing.
Green tea has the shortest shelf life and requires higher preservation requirements because it has not been fermented. Generally speaking, the shelf life at room temperature is about 1 year, and if it is not stored properly, it may begin to appear yellowish in a few months, and some taste will change. Of course, if you are a local tyrant and have a refrigerator dedicated to storing green tea, the shelf life can be extended to about 18 months.
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Even if the tea is expired, it is not recommended to drink it again, and the shelf life is the period of normal state, environment, temperature, and storage buried in the search method, which can ensure food safety and health. If the food beyond this expiration date is easy to spoil and moldy, it cannot ensure food safety, and may also produce substances harmful to the human body such as aflatoxin, ochratoxin A, etc. Sometimes the changes are not visible to the naked eye, but the properties may have changed, and drinking may be uncomfortable and not beneficial to the human body.
1. Induce diseases: it is easy to cause abdominal pain, diarrhea, vomiting and other digestive tract discomfort reactions, if the toxins produced in the tea enter the human body, it may also cause food poisoning, dizziness, fever, fatigue, body aches and other symptoms, and may also affect the human respiratory system and nervous system;
2. Reduction of nutritional value: expired tea may have deteriorated, and its nutrients such as minerals, phosphorus, potassium, zinc, etc. will be gradually lost, which is far less nutritious than drinking fresh tea water;
3. Taste deterioration: The taste of expired tea will deteriorate, which is not mellow and rich compared with fresh tea, and may also produce peculiar smells, affecting the taste of drinking, while the taste of fresh tea is usually more distinct, sweet and curved, and layered.
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Don't throw away expired tea, it's so powerful that it solves many people's troubles.