Distribution of producing area of licorice

Licorice, also known as Guolao, Sweet Grass, Ural Glycyrrhiza uralensis and Sweet Root, is mainly distributed in China and Siberia, Russia. It likes the dry climate of dark and humid, long day and low temperature. It grows in arid and semi-arid desert steppe, desert edge and loess hilly areas. Let's take a look at the producing area distribution of licorice.

Distribution of producing area of licorice

1. Domestic origin: licorice is mainly distributed in the wild in * *, Inner Mongolia, Ningxia, Gansu, Shuozhou, Shanxi, and artificially planted licorice is mainly produced in the Hexi Corridor of Inner Mongolia and Gansu, around Longxi and some areas of Ningxia.

2. Foreign origin: it is distributed in Asia, Europe, Australia, America and other places, mostly for traditional medicinal and other uses.

Producing environment of licorice

Licorice grows mostly in arid and semi-arid sandy soil, desert edge and loess hilly areas, and it is also easy to breed in the fields and beaches of the Yellow River diversion irrigation area.

Licorice likes the ecological environment with sufficient light, less rainfall, hot summer, severe cold in winter and large temperature difference between day and night, and has the characteristics of light, drought, heat, salt and alkali resistance and cold resistance. it is suitable to grow in sandy soil with deep soil layer, loose soil and good drainage.

Distinguishing the advantages and disadvantages of licorice

According to the inspection of the traditional Chinese medicine market, it is found that there are some problems such as sulfur fumigation, bacteria and heavy metals in the market, which can not meet the medicinal requirements, and even counterfeit products are sold as licorice.

1. the root is cylindrical, reddish brown or grayish brown.

2. Longitudinal furrow wrinkles and lenticels.

3. The quality is solid, the cross section is yellow and white, and the ring pattern of cambium is obvious.

4. The breath is slight and has a special sweet taste.

On the other hand, licorice similar to Pingguang Glycyrrhiza uralensis has fine but not obvious lenticels, solid quality, less cracks in cross section and sweet taste. The root and rhizome of Glycyrrhiza uralensis are stout, grayish brown or brown, hard, less powdery, sweet or bitter. As for Glycyrrhiza uralensis and Glycyrrhiza uralensis, the root strips are finer and the sweetness is slightly worse. Licorice and bitter licorice taste bitter, which can be distinguished.