There is theophylline in tea. Some people who don't drink tea often or drink tea on an empty stomach in the morning will have dizziness and weakness of hands and feet, which is due to the side effects of excessive theophylline absorbed by the intestine after drinking on an empty stomach. And different kinds of tea contain different amounts of theophylline. Black tea and green tea will be higher, and the content of Oolong tea will be lower. Whether tea contains theophylline, China has loved drinking tea since ancient times, and tea tasting has become a kind of inheritance. We all know that there is theophylline in tea. Theophylline extracted from tea tastes bitter, white and irregular crystal, which is harmful to human body.
Many people who don't drink tea often or drink tea on an empty stomach in the morning sometimes suffer from dizziness and weakness of hands and feet. This is because tea contains theophylline, and the side effects caused by excessive intestinal absorption after drinking on an empty stomach, so we must pay attention to it.
In addition, the amount of theophylline contained in different kinds of tea is also very different. For example, black tea and green tea will contain higher theophylline than other kinds of tea, while the content of theophylline in Oolong tea is relatively low.