The health effects of green tea are well known to everyone. With the deepening of research on the role of green tea in the world, green tea seems to have become the best choice for health care for many people. Many people keep tea cups all day long, green tea does not leave the mouth, and someone in the morning gets a cup of green tea as a habit. But Weng Kun, an associate researcher at the National Tea Quality Supervision and Inspection Center, reminded that drinking green tea on an empty stomach is not good for gastrointestinal health care.
Weng Kun said that green tea is tea that has not been fermented, and retains more natural materials in fresh leaves. Among them, tea polyphenols and caffeine can retain more than 85% of fresh leaves. The components in green tea are anti-aging and anti-cancer. Anti-cancer, anti-bacterial, anti-inflammatory, etc. are indeed effective and are unmatched by other teas.
However, it is also these natural ingredients that, if consumed on an empty stomach, have an adverse effect on the human body. On an empty stomach, some of the active substances in the tea bind to the proteins in the stomach, causing irritation to the stomach, which can easily hurt the stomach.
In addition to stimulation of the gastrointestinal tract, drinking tea on an empty stomach will also dilute the digestive juice and affect digestion. At the same time, when fasting, some of the tea's contents are easily absorbed in excess, such as caffeine and fluoride. Caffeine can cause symptoms such as palpitation, dizziness, weakness in the hands and feet, and convulsions in some people, and it is medically known as the phenomenon of “tea intoxicationâ€. Once the phenomenon of tea drunk occurs, you can eat a piece of sugar or drink a cup of sugar water. The above symptoms can be relieved and disappear. If fluoride accumulates in the body, it can cause intestinal diseases and affect kidney function.
Elderly people suffering from stomach and duodenal ulcers are even less likely to drink green tea on an empty stomach in the morning. The tannic acid in tea will stimulate the gastrointestinal mucosa, leading to aggravation of the disease and indigestion or constipation.
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