In terms of energy and fat content, several livers are slightly different, among which bovine liver and sheep liver have the highest energy. Among protein, protein content in pig liver and bovine liver is the highest, and protein content in duck liver is the least. Let's talk about vitamin A first. It is a very important vitamin in the liver, and the eyesight improving effect of the liver is attributed to it. Vitamin A can also promote growth and development, maintain skin health and enhance immunity. The content of bovine liver and sheep liver is the highest, followed by chicken liver and pig liver.

2. Look at the cholesterol content.

Generally speaking, the cholesterol content in liver is relatively high, among which the cholesterol content in sheep liver, chicken liver and bovine liver is the most, and that in pig liver is slightly less.

3. Mineral content.

The first is iron, and the liver is a good food for iron supplementation. The iron content in pig liver is the most abundant, and its digestion and absorption rate is very high. Therefore, anemia patients, pregnant women and children can choose pig liver and chicken liver. The contents of zinc and other minerals in pig liver and bovine liver are high.

Because the liver is the largest detoxification organ in animals, it is easy to accumulate toxins, so eating the liver should consider safety. Generally speaking, the growth period of large animals such as cattle and sheep is long, so there are more toxins accumulated in the liver, especially in cattle liver. In addition, large-scale cultured animals that are prone to illness should also eat less liver, such as chickens. Therefore, relatively speaking, the safety of pig liver is slightly higher.

Cholesterol content in the liver is relatively high, so it is not advisable to eat more. It is generally recommended that normal people eat about 50 grams at a time, and it is appropriate to eat 1-2 times a week. Patients with cardiovascular diseases should eat less liver, or choose liver with low fat and cholesterol, such as pig liver, which is not higher than 25 grams each time/kloc-0 times per week, and pay attention to collocation with vegetables, fruits, coarse grains and other foods.