Does the animal liver have no nutrition?

There are many types of animal livers. Some people think that the liver is very nutritious and some people think that they should eat less. So, is there any nutrition? Today, Xiao Bian has come to give us a detailed introduction to the principles of animal liver and common questions and answers. Let's take a look.

The principles of eating of animal liver

Choose the liver of a healthy animal. The liver of the quarantined poultry shall be selected at the time of purchase, and the livers of the livestock whose disease or death is unknown shall not be eaten. The liver of a healthy animal is reddish-brown, smooth and shiny, soft and tender, and the fingers can be inserted into the incision at a small force. The taste is fresh after being cooked.

Wash thoroughly before eating. First wash the animal's liver in tap water for a few minutes, soak it in cold water for 30 minutes, then remove it and put it in clean water. If you need to eat immediately, the liver can be cut into pieces and gently hand-washed in clean water, then removed and placed in a plastic or metal drain pan, rinsed under a tap. Does the animal liver have no nutrition?

Cook and fry when cooking. When cooking, avoid “rapid stir-fry and osmosis”, not to mention “creating a pot immediately”. It is necessary to cook and fry thoroughly so that the liver becomes completely grayish brown, and it is not good to see bloodlines to ensure food safety.

Do not eat with Vitamin C tablets. The animal liver is rich in trace elements such as zinc, manganese, and copper. If it is eaten with a vitamin C tablet, a chemical reaction will occur, resulting in oxidation of vitamin C to dehydroascorbic acid and loss of normal function.

Eat less foods high in saturated fats. When eating animal livers, especially pig livers, eat less foods high in saturated fatty acids, such as animal oils, fatty meats, butter, butter, and whole milk, in order to avoid saturated fatty acids in these foods from promoting human cholesterol in the liver. Absorption. You can eat soy and soy products at the same time as you eat pig's liver, because the structure of soy sterols is similar to that of cholesterol, which can reduce the body's absorption of cholesterol.

Intake should be appropriate. Take pig liver as an example, eat twice a week, 50 to 100 grams each time, to meet the body's needs for iron and vitamin A.

Next, there are answers to common questions about animal livers, so let's continue.

General questions about animal liver

The animal's internal organs have nourishment, and the belly and intestine parts of the pale animal are removed. Most of the internal organs are dark red, especially the liver, kidneys, heart and spleen. Eating deep red animal viscera can help iron deficiency anemia iron supplementation, because the internal organs are not only high iron content, absorption and utilization is also very high. The liver can also help some people improve their eye health because the vitamin A content in the liver of the animal is particularly high and can effectively prevent eye diseases such as night blindness, dry eye disease and corneal softening. In addition, the liver is the stronghold of nutrient reserves. It contains all 13 vitamins the body needs, including vitamin A, vitamin D, vitamin B2, and vitamin B12. The protein in the liver exceeds the content of lean pork. Trace elements such as iron, zinc, copper, and manganese are abundant, and they are almost the most abundant and nutrient foods in nature. If the contents of various B vitamins and trace elements are considered, the nevi (such as chicken gizzards and duck gizzards) of the kidney, heart and poultry are significantly higher than those of ordinary meat. That is, they are "red meats" with higher nutrient content.

Is the viscera high in fat and cholesterol? Liver fat such as fattening duck liver, fat foie gras, etc. Liver has a relatively high fat content, usually up to 10% to 30%, which is comparable to that of fattened cattle and the like. However, the normal liver has a fat content of less than 5%, which is lower than that of lean pork. It is a high-protein, low-fat diet. Healthy kidneys are also high-protein, low-fat foods, and the heart's fat content is comparable to ordinary meats. Since the liver is a place where cholesterol is synthesized in organisms, its cholesterol content is usually 3 to 4 times that of lean meat. In comparison, the kidney's cholesterol content is slightly lower, and the heart's cholesterol content is almost equivalent to that of ordinary meat. There is no need to worry about it. If the total amount of daily meat is not excessive, eat once or twice a month and eat one or two livers each time, you need not worry too much.

Is it true that the liver is poisoned? Indeed, the liver is like a huge “chemical plant”. It is the most important nutritional synthesis organ in animals. It is also a detoxification organ. Various toxins are sent to the liver for treatment. The kidney is the animal body. The detox organ, it is also difficult to avoid dealing with poisons. Therefore, the statement that eating liver poisoning is not entirely alarmist. However, these harmful effects of the liver are based on the fact that the animals themselves are ill, or excessive use of veterinary drugs, or feed water sources are contaminated. The same is true of the kidneys. After eating qualified products that have passed inspection and quarantine, as long as attention is paid to controlling intake and cooking methods, poisoning will generally not occur.

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