Tea contains tea polyphenols, which have strong antioxidant effects and can effectively remove excess free radicals that are harmful to the human body. But to be especially vigilant is the three types of tea, moldy tea, burnt tea and too hot tea cannot drink, especially too hot tea, easy to cause esophageal cancer stomach cancer risk.
- Moldy tea, once moldy, the tea brewed not only no tea, but also may cause diarrhea, dizziness and other symptoms, once you find the tea moldy don’t drink it.
- Burnt tea, production if the baking is too much may produce a burnt taste, leading to the destruction of certain components of the tea, and even produce certain carcinogens, so try to stay away from burnt tea.
- Too hot tea, drinking too hot tea will lead to esophageal mucosa burns, repeated stimulation may increase the risk of esophageal cancer, stomach cancer and other cancers. According to medical experts, the outermost part of the esophagus consists of mucosa, which is a layer of epithelial tissue and connective tissue composed of membrane-like structure that can secrete mucus and is the first line of defense for the body’s immune system. But very delicate, can only tolerate temperatures of 50 to 60 ℃, more than this temperature, the mucosa of the esophagus will be scalded, and just made a good tea, the temperature is as high as 80 to 90 ℃.
The risk of esophageal cancer in people who drink tea at 70℃ or higher temperature is 8 times higher than normal; the risk of esophageal cancer in people who drink tea at 65~69℃ is 2 times higher than those who drink tea at temperatures lower than 65℃. Tea temperature between 56℃ and 60℃ is more favorable to health.
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