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News Detail

西湖龙井 外形、气味、触感、口感

  1
Issuing time:2022-03-22 10:32

West Lake Longjing tea is known as "green in color, beautiful in shape, fragrant and mellow in taste". What will moldy Longjing tea look like and what is the difference between it and tea? The following is the difference between the shape, smell, touch, taste and other aspects of Longjing tea, so that you can see it at a glance.


shape




The tea cents are generally evenly distributed on the surface of the tea leaves. During the production process of Longjing tea leaves, a part of the white cents will fall off and gather into clusters to form white balls that look like insect eggs. The mold is distributed in filamentous pieces, usually distributed in the damp part of Longjing tea.


odor


If the Longjing tea is moldy, it means that the degree of aging is relatively heavy. Such tea will smell relatively musty and musty, and some will even smoke outside when the package is opened. If the Longjing tea leaves are fresh and the surface is covered with tea leaves, it will smell fresher.


touch




The finished products of Longjing tea have been strictly dried. If they become moldy and deteriorated, most of them are caused by moisture. Such tea leaves are soft when pinched, and in severe cases, they will feel corrupted.


soup color


Once the West Lake Longjing tea is moldy, it will be dark yellow and very turbid when brewed. If it is tea, there will be no such feeling. Tea leaves with more tea will taste very fresh.




In short, if you are not sure whether your Longjing tea is moldy or tea, brew a cup and drink it. If it smells peculiar, or tastes strange, you need to consider that the tea leaves are moldy.


In addition, there is another trick to distinguish Longjing tea from mildew. Whether it is Longjing or other teas, you must know that tea is innate. If things like fluff and pekoe could not be seen on the surface of Longjing tea before, but after a period of storage, such things suddenly appear on their own, then it is generally mildewed, and these "fluffs" are actually molds.




Tea cents are the tiny hairs on the tip of tea buds, also called tea hairs, which are rich in nutrients such as theanine and tea polyphenols, and are an important indicator of the tenderness of tea leaves. Generally speaking, the more tender the fresh leaves, the more tea leaves; the more tea leaves, the more tender the tea leaves. There are many kinds of tea, especially green tea and white tea.


But not all teas can be generalized. For example, Longjing tea, in the process of processing, there is a process called Huiguo. The purpose of Huiguo is mainly to dry the tea leaves and promote the further formation of tea aroma substances, but it also has the purpose of grinding The tea leaves on the surface of the tea leaves form its unique quality characteristics, so the tenderness of Longjing tea cannot be determined by the number of tea leaves alone.


In the same batch of Longjing tea, some tea leaves are ground clean, so they look clean, while some tea leaves are not ground clean, so you will see a bunch of tea leaves on it.




Moldy tea leaves generally refers to the growth of white hairs in the tea leaves, which smells musty. Severely moldy tea leaves will rot and agglomerate, and green hairs will grow on them. Pu-erh tea will also have black mildew. Tea is a natural phenomenon and will not affect the health of the human body. However, if the tea has been moldy, be cautious, it is best not to drink it, it is harmful to the body!


Moldy tea leaves are contaminated by Penicillium and Aspergillus, which can produce harmful substances such as aflatoxins. Aflatoxin is classified as a Class I carcinogen by the World Health Organization Cancer Research Agency, and is a highly toxic and highly toxic substance.




Aflatoxin is resistant to high temperature and cannot be eliminated by high-temperature frying and cooking. It will damage human and animal liver tissue, and in severe cases can lead to liver cancer and even death. Therefore, drinking moldy Longjing tea can cause dizziness, vertigo, diarrhea, etc., and serious diseases such as liver and kidney. For moldy or spoiled Longjing tea, no matter how much you bought it, it is best not to drink it.


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