Potatoes are comparable to tomatoes, bananas, pomegranates and eggs.
Grams of spinach are as follows:
Spinach+honey: cause heartache
Spinach+cucumber: Vitamin C in spinach will be destroyed by decomposing enzymes in cucumber.
Spinach+tofu: oxalic acid in spinach and calcium in tofu form calcium oxalate, which makes calcium in human body unable to be absorbed.
Spinach+milk: Eating together can cause dysentery.
Spinach+cheese: Spinach is rich in calcium, and the chemical components contained in cheese will affect the digestion and absorption of calcium.
Spinach+leek: diarrhea
Spinach+eel: It's easy to have diarrhea when eaten together.
Spinach+soybean: Vitamin C in food will inhibit the release of copper.
Spinach+Pork: Reducing the Absorption of Copper