Yam and pig liver can't be eaten together. Yam is rich in vitamin C, and pig liver contains copper, iron, zinc and other metal trace elements. When vitamin C meets metal ions, it will accelerate oxidation and damage, reducing its nutritional value. Therefore, it is not suitable to eat yam after eating pig liver. Yam and cucumber, pumpkin, carrot, bamboo shoots and melons. Cucumber, pumpkin, carrot and bamboo shoots all contain vitamin C decomposing enzymes. If yam is eaten together, vitamin C will be decomposed and destroyed.

Yam and seafood. Generally, seafood (including fish, shrimp and algae) is rich in protein except minerals such as calcium, iron, phosphorus and iodine, while fruits such as hawthorn and pomegranate all contain tannic acid. If they are mixed, they will synthesize tannic acid protein, which will have astringent effect, form constipation, increase the absorption of intestinal toxins, and cause symptoms such as abdominal pain, nausea and vomiting.

Yam should not be eaten with carp and kansui. They are mutually compatible. Yam and kansui should not be eaten together; Nor should it be taken with alkaline drugs.

In addition, if your stool is dry, it is not suitable for eating yam, which has extremely rich nutritional value, so no matter how you eat it, it is very beneficial to eat yam often in your life as long as you pay attention to some dietary taboos.