Porphyra yezoensis, also known as red cabbage head and red root beet, is a variety of beet species belonging to the genus Betula of Chenopodiaceae. Its fleshy roots can be eaten raw, cooked or canned. The meat is crisp and tender, slightly sweet, with high nutritional value, rich in sugar and various minerals, and has the functions of treating diarrhea and expelling parasites in the abdomen. It has high economic benefits, strong foreign exchange earning ability and great development prospects.

root vetch is slightly sweet, crisp and tasty when eaten raw.

Western food is mostly used as raw food, and colorful salads are made with various colors or single colors of root vegetables. The traditional eating method is to boil the fleshy roots and make them into puree. Add seasoning and mix well.

when purchasing, the straight roots are oblate, spherical, conical or even long conical, and the flesh is generally dark red to deep purple, and it is better to have white occasionally.