Powder yam is also called "Huaiyam", and crispy yam is also called "vegetable yam".

1. Appearance and shape:

Huaiyam: thin and long

Vegetable yam: thick and big

Huaiyam is also Named Dioscorea, also known as potato, its root is used medicinally, and its medicinal effect is comparable to that of ginseng, so it is also called "Huai Shen". It is a perennial twining herb with fleshy roots, slightly cylindrical, and varying lengths. "Iron-bar yam" is a treasure among Huaiyam. It is named after its brown to red color, firm texture, long and slender body, and its shape resembling an iron bar. The main production area is Wenxian County.

Huaiyam (iron stick yam):

Vegetable yam:

Extended information:

Nutritional value:

< p>The main ingredients of Huaiyam are 16% starch (amylase), protein (including 16 kinds of amino acids), sugar (mannose, glucose, galactose), saponins, vitamins, iron and manganese, etc. Elements and other various ingredients, it has the characteristics of straight lines, white color, and sufficient powdery nature.

Baidu Encyclopedia_Huaiyam