Yam varieties
Yam belongs to Dioscorea of Dioscoreaceae. There are seven kinds of yam, namely common yam, fine-hairy yam, iron-stick yam, yamato yam, ganoderma lucidum yam, yam and yam.
The most common variety of yam is iron stick yam, which is beautiful in appearance, uniform in thickness and has high nutritional value. Generally, regular consumption can strengthen the spleen and stomach, stop diarrhea and so on.
Fine-haired yam
Fine-wool yam is a specialty of Shandong province. Its hair is fine, and it is easier to mature than other varieties of yam, and its taste is better and its nutritional value is higher.
Iron yam
Iron stick yam is more uniform in thickness than ordinary yam, and it has a lot of hair, dark skin color and delicate taste, and it will not be boiled for a long time.
Common yam
Ordinary yam is characterized by its thick skin, relatively high water content and easy to break. Its skin is thin, its taste is sweet, and its yield is higher than that of other varieties of yam.
common yam rhizomewinged yan rhizome, rhizome of common yam
Dioscorea opposita is a specialty of Henan province. It is slender and has high nutritional value. Generally, eating more Dioscorea opposita can stimulate appetite, nourish the lungs and moisten dryness, and its price is not very expensive.