Pu'er tea is indeed strange. It often has two completely different, contradictory or even contradictory effects. In addition to the "refreshing and calming" mentioned in the previous article, the "stomach-nourishing and stomach-damaging" mentioned in this article are also very common.

There are ten stomach diseases and nine diseases. Modern people’s daily life and diet are irregular. Most people have more or less gastrointestinal problems. And tea is inseparable from our lives. We drink tea when we drink it alone, or when we are guests at the homes of close friends.

Then,

Does drinking tea have any effect on the gastrointestinal tract?

Is it "nourishing the stomach" or "hurting the stomach"?

Some people say that drinking tea hurts the stomach, and it has been verified through personal practice and experience:

My stomach hurts when I drink tea.

Some people say that drinking tea can nourish the stomach. After drinking tea for a long time, it will heal.

The stomach trouble I had suffered for many years was actually cured.

So, what is the truth?

Drinking tea hurts the stomach

Why does tea hurt the stomach? Generally speaking, tea soup with a bitter taste will hurt the stomach. Because the bitter ingredients are ester catechins, alkaloids - caffeine, theophylline, theobromine, and a small amount of anthocyanins; the astringent ingredients are catechins and tea polyphenols. When the astringent ingredients are eaten into the stomach, they are like being polished with sandpaper, grinding away the oil on the gastric mucosa. If you drink tea on an empty stomach, the gastric mucosa will be easily decomposed by catechins. Coupled with the stimulation of caffeine, it will make people feel hungry and even want to vomit. It is commonly known as drunken tea.

Another phenomenon is that you will feel hungry after drinking bitter tea after eating, but you will not be able to eat anything. This is because caffeine slightly stimulates the stomach's response to hunger, but the food in the stomach is not actually digested, so of course it cannot be eaten. If this phenomenon continues for a long time, the stomach will get sick.

This is the reason why drinking tea hurts the stomach. No matter what kind of tea, it will cause irritation to the stomach of many people. Especially green tea and large-leaf Pu'er Shengpu have higher content of catechins, alkaloids and other substances, which will cause greater irritation to the stomach, and this phenomenon of stomach irritation will be more obvious.

Drink tea to nourish your stomach

A large number of scientific studies have pointed out that cooked Pu'er tea has the effect of nourishing and protecting the stomach, detoxifying and laxative. It is especially suitable for people who suffer from constipation. With the help of Pu'er tea, it can regulate the intestines and stomach and restore normal functions. Completely solve the problems of acne and bad breath caused by constipation; it can get rid of dull skin tone. "Compendium of Materia Medica" records that "Pu'er tea has a bitter taste, can relieve the poison of greasy cattle and sheep, and can induce diarrhea in the intestines." It has the function of digestion. Pu'er tea has a mild taste. At a suitable concentration, drinking Pu'er tea will not cause irritation to the gastrointestinal tract. After the smooth and mellow Pu'er tea enters the human gastrointestinal tract, it can form a protective film attached to the surface of the stomach. Therefore, long-term drinking of Pu'er tea can nourish and protect the stomach.

Although the clinical medical research samples for this function are mainly taken from Pu'er ripe tea, this stomach-nourishing effect is not only for Pu'er ripe tea. For raw Pu'er with a short transformation period, the reason mentioned above is stomach damage. For Pu'er old tea after natural storage in the later period, the tea is mild and most of the substances that are irritating to the stomach have been oxidized. Regular drinking of Pu'er old tea can warm the stomach and protect the stomach, and to a certain extent, it can also regulate the intestines and stomach to achieve the effect of nourishing the stomach.

In addition to Pu'er tea, black tea also has the effect of nourishing and protecting the stomach: black tea is made through fermentation and baking. The tea polyphenols undergo an enzymatic oxidation reaction under the action of oxidase, and the content is reduced, which reduces the irritation to the stomach. Not only does black tea not hurt your stomach, it can actually nourish your stomach.

Achieving "both delicious and nourishing to the stomach"

Pu'er tea can be divided into raw and cooked teas. From the perspective of gastrointestinal care, we will choose cooked Pu'er tea or old tea. If we must choose raw Pu'er tea, we should also choose raw tea with less bitterness or weaker astringency. But the actual situation is: Xinshengpu is more refreshing. If you just want to drink Xinshengpu, there is a saying that "it is not a good tea if it is not bitter or astringent", so how to choose?

Pu'er tea itself is rich in substances. Good raw tea often contains high levels of catechins, which are both astringent and sweet; tea tannins are pungent and fragrant; caffeine is bitter but refreshing. If we deliberately avoid drinking bitter tea for fear of hurting our stomach, we will miss out on a lot of good tea. In this case, we can only settle for the next best thing: use newly made raw tea as the first choice for tea testing and tasting. From the perspective of health preservation, try to choose cooked Pu Pu as ration tea, and then save a batch of raw Pu Pu that has passed the tea test year by year as old tea for future drinking. This is called:

"Try new tea", "Drink mature tea", "Taste old tea"

　 (Editor: Bonnie)

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