Before drinking tea, the smell is most directly oncoming. The fragrance is refreshing, while the peculiar smell is unpleasant. Tea that smells uncomfortable will definitely not be comfortable to drink.
The peculiar smell, on the one hand, is the peculiar smell caused by poor tea-making technology, and on the other hand is the peculiar smell caused by the poor storage environment. If you smell the following peculiar smells, be careful.
Coke gas is the smell produced when the leaves are carbonized during the tea making process.
There are usually two situations when tea leaves have scorching gas: one is that if some old leaves are mixed in the tea leaves, the tea leaves are not evenly stir-fried, or there are too many shreds, it will be easy to scorch. Another more common situation is that when Wuyi rock tea is roasted, if the fire is not controlled well, or if you deliberately try to cover up some of the shortcomings of the tea, it will roast too heavily and cause the tea to be carbonized. It will smell scorching, and drink it will have a bitter taste and so on.
In daily life, many people don't care much about burnt tea. In fact, burnt tea is not suitable for drinking. Because most of the nutrients in the burnt tea have been lost, no matter from the perspective of nutrition or food hygiene, burnt leaf tea is not suitable for drinking.
Water stuffiness refers to dullness and unpleasant smell. When we drink tea, we will say "Xian Shuang", "Gan Shuang" and so on. "Stuffy" is the opposite feeling, that is, the taste is very uncomfortable to drink.
There are three main reasons for the generation of water stuffiness: one is to pick rain leaves and fail to treat the surface water of the leaves in time; the other is to increase the leaf temperature, promote fermentation, and make a pile of water before finishing; the third is that the drying temperature is too high. If it is low, the water vapor is not fully diffused; when the tea is finished, it is easy to spoil the tea without paying attention to the methods of "throwing more and less stuffiness" and "throwing stuffiness together".
The taste of such tea leaves will lack freshness, be muddy and have a dull taste, and the color and luster will be gray and yellow without oiliness. After smelling it, the nasal cavity and chest are stuffy, not as sweet as good tea.
Green odor refers to the odor of green grass after cutting the grass like a lawn mower.
The green tea in green tea may be due to insufficient stalls before the green tea is finished, and the green tea is not completely finished, or some merchants deliberately reduce the degree of green tea in order to maintain the bright green color. Be careful when you see particularly bright green green tea. The probability is high. The green gas in black tea may be caused by insufficient rolling and incomplete fermentation. The green air in green tea may be that it has been greened, has not been fully finished, or it has absorbed moisture and "turned green" after roasting.
Green tea will affect the freshness of the tea. The tea leaves are mostly dark green, with insufficient aroma and thin taste, and the green flavor is prominent.
Sour temper is a serious malaise of qualitative change. Tea with sour smell smells sour, rotten, and has a dull smell, which is unpleasant.
It is usually common in low-quality black tea. The degree of withering, twisting, and fermentation is not well controlled during the processing process, which makes the black tea have a "spoiled" feeling, and it may be that the fresh leaves pile up for too long to heat up, causing some of the raw materials to deteriorate; Or it may have a sour taste when stored in moisture.
Tea with sour smell has sour smell in both hot and cold smell, and it also has a rotten taste when tasted. The dry tea has a turbid color, the soup is turbid, and the bottom of the leaf is rotten. This kind of severely degraded tea can no longer be drunk.
Moldy gas refers to the peculiar smell produced when tea leaves are damp and mildew, which is easier to distinguish.
When storing tea, be sure to pay attention to dryness. Once the tea is damp and the moisture content reaches a certain limit, the tea is prone to mold and moldy gas. Another situation is that the pressed tea is not completely dried, and the surface looks dry, but the center part is wet, and it will soon become moldy.
Musty tea is not suitable for drinking. Slight mildew is not obvious when smelling dry tea, but after boiling the soup, it smells hot and the tea itself has a low scent and unpleasant smell, with a mildew smell. When the mildew is serious, the smell of dry tea is obvious. The hot smell of boiling soup makes the body uncomfortable. When it is severe, it is nauseous. Mold flowers and hyphae appear on the tea. It contains bacteria. People who drink moldy and deteriorating tea can take it lightly. Dizziness, vertigo, abdominal pain, diarrhea and other poisoning phenomena can cause liver, kidney, brain and other important organ diseases. It is recommended that you try not to drink.
Judging the quality of tea, the aroma is a very intuitive reflection. Smell the fragrance, you will feel refreshed; smell the peculiar smell, you will feel bored and uncomfortable. Tea lovers can "check in seats" according to the actual situation of the tea. Only by choosing tea with good production technology and proper storage, can it be beneficial to health.