Bitter vegetable is a kind of wild vegetable, also known as Rong Shu Bitter Vegetable. It is produced in Guannan, Jiangsu. Because its flowers are purple, it is named purple bitter vegetable. Purple bitter vegetables have white fluff on the back of their leaves, which is generally only useful when picked in the right season.

When there are difficulties or famines in rural areas, purple bitter herbs are used to satisfy hunger. When you eat rice, you should pay more attention to how to eat it. You can't soak it. Soaking and drinking is not good for your health. It is necessary to cook and drink, because we are all cold. When we are hungry, we often remove the bitter core in the middle, so that we don't feel bitter. It is not recommended to eat bitter vegetables alone, but to add brown sugar, which is added after cooking, not during cooking. Generally, purple flowers and bitter vegetables must be weathered before they can be eaten by people.

The overnight purple bitter vegetable soup can still be drunk if it is stored in the refrigerator in advance, but it is best not to drink it overnight. The cooked purple bitter vegetable soup can be stored in the refrigerator overnight. Boil it the second time you drink it. Authentic purple bitter medicine: There are many kinds of bitter medicine, among which purple bitter medicine is the most beneficial to people and has a good curative effect on cholecystitis and gastritis. The origin of Sophora alopecuroides is Guannan in the northeast of Jiangsu Province. The growth conditions of Sophora alopecuroides are demanding, which must meet the requirements of sufficient sunshine, mild climate and abundant rain.

When picking purple bitter vegetables, it looks like white fluff. Without white fluff, it is not purple bitter vegetables. Bitter vegetables are generally picked in spring, and they are basically useless in autumn. Bitter weeds are bitter, but there are many kinds of bitter weeds, among which purple weeds are the best, and purple weeds are also called Rong Shu purple flowers, which are the whole grass of annual wild bitter weeds in Compositae. It is usually harvested in early spring and dried naturally. Because of its purple flowers, it is also called purple bitter vegetable. Purple bitter vegetables have white fluff on the back of their leaves. From the picture, purple bitter vegetables generally grow in ditches and roadsides.

It is both scattered and concentrated. Due to season, climate or natural disasters, the number of picking is decreasing year by year. Because of the different picking time, the efficacy of purple bitter vegetables is also different. Only timely excavation can ensure the efficacy.