1, yam can't be eaten with fish and shrimp. Because the general seafood not only contains minerals such as calcium, iron, phosphorus and iodine, but also is rich in protein. If eaten together, tannins will be synthesized.

2. Yam can't be eaten with cucumber. Will destroy the nutrients in yam. In addition, yam should not be eaten with pumpkin, carrot and bamboo shoots.

3, yam can not be eaten with pig liver. Because yam contains vitamin C, pig liver contains trace elements such as copper, iron and zinc.

4. Yam can't be eaten with potatoes. Because eating them together will make the stomach secrete a lot of gastric juice and produce a lot of hydrochloric acid. If you eat some yam rich in tannic acid at this time, it is easy to produce precipitation.