Pork liver should not be combined with tomatoes, chili peppers, hairy beans and other vegetables rich in vitamin C in cooking. Vitamin C is extremely unstable in neutral and alkaline solutions. Especially in the presence of trace metal ions such as copper, iron ions are more susceptible to oxidative decomposition, even a trace of copper ions, can make vitamin C oxidation speed up 1000 times.

Pork liver is rich in copper and iron, each 100 grams of pork liver contains 25 mg of copper, iron 25 mg; can make vitamin C oxidation for deoxyascorbic acid, and lose its original function, so pork liver should not be eaten with vitamin C-rich fruits and vegetables.

Eating pig liver blood taboos

Taboos a:

Pig liver is a high cholesterol-containing food, people should not take more than 300 milligrams of cholesterol from food every day, this amount is equivalent to 75 grams of pig liver content. Eat too much pig liver, vitamin A intake excess, can cause poisoning, the elderly will lead to osteoporosis, pregnant women will cause fetal malformation. Therefore, eat pig liver can neither eat more than once, also can not eat too often, usually eat 1 time a week is enough. Suffering from high blood fat, liver disease, hypertension and coronary heart disease, you can eat pig liver, but pay attention to the amount of food.

Taboo two:

The liver is the detoxification organ in the pig, all kinds of toxic metabolites and certain toxic substances in the feed, will remain in the pig liver, and through its detoxification into the kidneys, and then discharged through the urine. Toxin-containing blood is dispersed in tens of thousands of pig liver sinusoids, so the blood in the liver should be removed as much as possible before cooking. Pork liver can be stir-fried, boiled, steamed or eaten with sauce. Eat pig liver, must be cooked through, do not eat liver with blood for the pursuit of tender taste.

The above content reference? People's Daily Online - pig liver can not be eaten with tomatoes, eat pig liver to replenish blood taboos