be mutually destructive
Potatoes+persimmons: After eating potatoes, people will produce a lot of hydrochloric acid in their stomachs. If they eat persimmons again, persimmons will precipitate under the action of gastric acid, which is difficult to digest and excrete.
Potatoes+tomatoes: potatoes will produce a lot of hydrochloric acid in the gastrointestinal tract of human body; Tomatoes will produce water-insoluble precipitates in a strong acidic environment, which will lead to poor appetite and indigestion.
Potato+banana: eating together will cause spots on the face.
Potatoes+fragrant finches: it is easy to get freckles when eating together.
Potato+pomegranate: Eating together will cause poisoning, and you can detoxify with leek water.
Potato+cherry tomato: lead to poor appetite and indigestion.