1、 What is yam

Yam belongs to a plant of dioscoreaceae. It is also called yam, hemp yam, native potato, yam, < a href=“ https://baike.sogou.com/lemma/ShowInnerLink.htm?lemmaId=34442863& ; ss_ c=ssc. citiao. link "> white yam < / a >, Mao yam, Guangshan yam, etc. can be used as both food and medicine. It is cylindrical in shape, relatively straight, slightly curved, about 15-30cm long, with longitudinal grooves on the surface and milky white inside. Yam originated from Asia and has a long cultivation history in China. Now it is mainly distributed in Shanxi, Shandong, Henan, Shaanxi and other places. It likes to grow in warm and sunny places The soil should be fertile, well drained, afraid of cold and unable to withstand frost

2、 The difference between yam and Huaishan

Yam is often seen in daily life. It has many producing areas. It can be called yam produced in different regions. Although its texture is also relatively hard, it is not so dense and can be easily broken. Although yam can also be used as medicine, it is more eaten as a kind of food. After cutting the yam, you can see that the incision turns yellow after a period of time

Huaishan is mainly produced near Jiangsu and Anhui. Only those produced in this area can be called Huaishan. It has a denser texture and contains more water. It is mainly used as a medicinal material with high nutritional value. After cutting the Huaishan mountain, it can maintain milky white for a long time and will not turn yellow easily