First of all, it depends on whether there is white fluff. The picture of the business card of Purple Bitter Grass Encyclopedia is right, but this is not the case below. It was uploaded blindly. Purple Bitter Grass Tea has white fluff, but the fake one doesn't.
The second is to smell, purple bitter herb is very particular about preservation. If it is not well preserved, it will be easy to get damp and mildew, which will be harmful to your health. You must choose dry purple bitter herb. Dry bitter herb will be brittle and fragile by touching it, and it will smell fresh.
The third is that through cooking, the cooked taste will float all over the kitchen, and the soup will be greener.
There is also a look at the origin, its origin is Guannan, Jiangsu, and there is also a single purple bitter herb that is not recommended. You must add brown sugar when you use it.
Shurong Sonchus oleraceus L., also known as Purple Sonchus oleraceus L., has one of its characteristics-Sonchus oleraceus L. Properties: Sonchus oleraceus L. is a biennial herb potherb, which is rich in wild resources through seed transmission. It is the whole grass or root of Sophora alopecuroides in Compositae.
The second feature-growth time: it is usually harvested in early spring without washing, and it is mostly dry when used, rarely used, and is a weed in the field.
Feature 3-Function: There are many kinds of bitter herbs, among which purple bitter herbs are the most beneficial to people. Purple bitter herbs, also known as Shurong bitter herbs, have a very good curative effect on cholecystitis and gastritis. It is named after the purple flower, and its efficacy is different at different picking times. Only timely mining can ensure the efficacy.
The fourth feature-origin of use: It was used to satisfy hunger when people didn't eat it in the 1950s and 1960s. The origin of Sonchus oleraceus is located in Guannan, in the north of East China, where there is plenty of sunshine, mild climate and abundant rain, which fully meets all the elements of the growth of Sonchus oleraceus.