There are many kinds of bitter herbs, but there is only one kind of purple-flowered bitter herbs. It is produced in Guannan, Jiangsu Province. Among many types, the purple-flowered bitter herbs are the most famous. Because they have purple flowers, they are also It’s called purple bittercress, and its alias is tree sowthorn. There is white fuzz on the back of the leaves. It is generally only useful when picked in the right season. Purple bitterweed is not a dandelion or a purpurea, and cannot be confused with the same thing. There are many kinds of bitterweed, but not many with purple flowers. There are all kinds of pictures about purple bitter herbs on the Internet, and the pictures of purple bitter herbs in the encyclopedia are indeed real. Due to the high nutritional value of sophora purpurea, it has been developed into sophora purpurea tea, which is more convenient for people to use. Purple sophora has many functions, which are all extended from the treatment of cholecystitis. In the past, it was often used to satisfy hunger. Purple sorrel is used to save lives, especially in famine years. When using sophora, It is also important to remove the bitter core in the middle even when satisfying hunger, so that it does not feel bitter. It is not recommended to eat more bitter vegetables alone, but when it is used to regulate the gastrointestinal tract or for maintenance, it is necessary to add brown sugar. , using it is a bit tricky. The brown sugar is added after cooking, not during the cooking process. Otherwise, it will be difficult to bring out the effects and effects of sophora purpurea.