Xiaoqinggan combines the fresh fruity aroma and the mellow Pu'er tea. It is fragrant and sweet, yet mellow and smooth, and is deeply loved by many tea lovers. People who have nuts with small green mandarins may find that there is a layer of white frost on the surface of some small green mandarins, which looks a bit like mold. They are worried about whether they can drink it. Let’s find out together. Can you drink the white frost on the outside of tangerines?

Some tangerines may have white frost on the outside, but this is not mold. It is a white powder that precipitates from the citrus oil contained in tea tangerines after being exposed to the sun or roasted at low temperature for a long time. It is called "citrus oil crystals", also known as "brain crystals". If the green mandarin oranges are aged for a period of time, white frost will appear on the surface, but they can be drunk. They are very effective for chronic bronchitis, dry cough, pharyngitis, etc.

The "white frost" on the surface of dried fruits is often called "fruit frost", which is a sugary substance. Fresh fruits contain a large amount of water, glucose, fructose, etc. When exposed to the sun or naturally air-dried, the water gradually evaporates, and the glucose and fructose in the pulp seep out of the skin and condense into white powder, becoming hoarfrost. The difference between mildew and crystallization of green mandarin oranges

With normal crystallization, green mandarin oranges have no peculiar smell or irritation and can be drunk.

Moldy tea has a pungent taste, and tea leaves contain a variety of harmful bacteria, such as aflatoxin. Moldy tea has moldy areas in patches. In Pu'er tea and brick tea, the moldy product is not hard and can be pried out effortlessly, while the non-mouldy tea is tight and strong.

You can touch moldy tea products carefully with your hands. You will find that the tea has a moist feeling and the tea is not crisp enough. Moldy tea is difficult to crush because of the moisture, but tea without mold is crisp and easy to crush. broken. How to identify high-quality small green mandarin oranges? Look at the appearance

The shell will not be smooth and flat, and there may even be traces of branches being whipped. Check whether the color is uniform and whether the shell is damaged. Also check to see if the cooked rice inside is even and clean. Smell the aroma

After the high-quality small green tangerines are opened, they will have a faint fruity aroma of tangerine peel, which is refreshing and pleasant. Inferior quality may cause mildew due to raw materials or workmanship, leading to mildew or damp smell. Brew and taste

After brewing, observe whether the color of the soup is clear and bright, clean and deep red. If the soup is turbid, it may be inferior. High-quality mandarin oranges have a mellow and refreshing taste, are highly resistant to soaking, and do not change significantly in taste between each soaking. If the taste is difficult to swallow and there is no taste after three or five soaks, it may be of low quality. Leaf viewing bottom

Tear open the shell of the small green tangerine to see if the color is bright, and pinch it to see if it is pliable and elastic. Also observe whether the inside of the Pu'er tea is clean and free of foreign matter.