What kind of yam is the healthiest?

The best yam should be Jiaozuo yam. The origin of Dioscorea opposita is a small area in wen county, Jiaozuo, which is called authentic Dioscorea opposita.

There are two kinds of yam: yam and yam, of which Arundo donax is the best. And the wild Hu Aishan Mountain, which grows on the mountain. That's a rare thing.

Yam, also known as Dioscorea opposita, is a sweet potato. Its root is used as medicine, because its efficacy can be compared with ginseng, so it is also called "Huaishen". It is a perennial twining herb with fleshy roots, slightly columnar and different lengths. Yam is a precious medicinal material, which has the functions of invigorating spleen and stomach, nourishing liver and kidney. There are many producing areas of yam in China, but the yam in Jiaozuo, Henan Province is the best. Jiaozuo was called Huaiqing House in ancient times, so the yam here is also called yam. Chinese yam. It has always been evaluated by doctors as "warming and nourishing" and "balancing nature", which is a model of "homology of medicine and food" and can be used as normal food to satisfy hunger, and users have no taboos.

There is also a joke about the characteristics of Chinese yam tonic. Tell men that eat woman can't stand it, and women can't stand eating men. Men and women can't stand eating beds. Then why not have a variety of spots? I can't stand planting too much. This shows how powerful it is.