The cranberry , also known as turnip also known as turnip (feng), commonly known as daikoucai , also known as Jiujing woad, coleoptile, knot head vegetable, plantain blue, mustard blue, break blue, eggplant even, withdraw blue, jade trailing green and so on. Because of the plate-like shape, the south people also called dish vegetable . Cranberry has a long history of cultivation in China.

The cranberries are small with brightly colored skins, similar to radish round, fine roots without tendons, pungent flavor, crunchy texture, chewing without dregs, so the cranberries in ancient times were also used as a staple food.

Lv's Spring and Autumn Annals - the flavor of the chapter "called" cranberries for "the beauty of the dish". Later Han Shu - Huan Di Ji recorded: "Yongxing two years in June (A.D. 154) locust plague for the damage, the imperial decree of the injured counties and countries to plant turnips to help people eat." Because the fiber of the turnip is thicker than the turnip and soft, so it is more to cure hunger.

It is said that the cranberry blossomed in the spring and produced seeds, and the seeds can be extracted oil, which is the original ancestor of cultivated rapeseed. The Han Dynasty called the cranberry as "rue moss", or "hu cai", folk widely planted. The East Han people clothing piety "popular literature" contains: "rue moss is called hu cai." The Complete Book of Agricultural Politics says: "Hu Cai, Qiang, Long, daiji, Hu many kinds of this vegetable."

The Chinese medicine said cranberry is good for the five organs, light and beneficial to the body, make people fat and healthy, have down the gas to cure coughing, quench thirst, bright eyes, the function of urination. Used to treat swollen poisons, available raw cranberry root a handful, add a little salt, mashed compress the affected area, 3 times a day. Breast pain, cold and hot, take cranberry roots and leaves, remove the soil, without washing, and salt mashed coated with the affected area, the medicine is hot that is, in the winter only need to use the root can be.

The cranberries (water amoy over) 1 catty, 2 pounds of yellow essence and even, nine steam nine sun after research for the end, fasting each serving 2 money, rice soup to send down, there is a tonic for the liver and eyesight. Acute jaundice, constipation, the cranberry seeds pounded into the end, add water and juice service, such as sneezing after serving, yellow water out of the nose and diarrhea that is healed; cranberry seed oil, each time a cup of the effect is better.

Two bowel movements, distension and want to die, with cranberry seed oil a small cup, fasting under the pass. Treatment of men's scrotum swelling and pain, available cranberry root mashed compress; treatment of bleeding in the nose, available raw cranberry mashed juice drink.