Nutritional value of pig's trotters;

1. trotters contain a lot of collagen, which is a colloidal substance composed of biological macromolecules. It is the most important protein component in muscle health, ligaments and connective tissues, accounting for 1/3 of the total protein of human body. It is appropriate to call collagen "bone" in bones, just like the relationship between steel frame and cement, which supports each other and is very important.

2. After eating pig's trotters, collagen can be digested into a large amount of glycine in human small intestine. These amino acids can not only participate in the synthesis of human collagen, but also be central nervous system inhibitors in brain cells, which can have a sedative effect on the central nervous system.

3. Regular consumption of pig's trotters can also effectively prevent and treat progressive muscular dystrophy, and has a certain effect on hemorrhagic diseases such as gastrointestinal bleeding, and can improve systemic microcirculation, thus improving coronary heart disease and ischemic encephalopathy.

4, the elderly often eat trotters, which can accelerate metabolism, delay physical aging, and people will live longer. However, due to the weakened gastrointestinal digestive function of the elderly and the high fat content in pig's trotters, it is not advisable to eat too much at a time to avoid digestive difficulties and affect appetite. For the elderly with chronic hepatitis, cholecystitis and gallstones, it is best not to eat pig's trotters, otherwise it will aggravate the condition or induce the recurrence of old diseases.

Extended data:

Tips for purchasing pig's trotters:

1, look at the color and check the hoof. The trotters after normal hair removal should be light yellow, so be vigilant when you see clean trotters. However, pig's trotters soaked in liquid medicine are not all white, and some are red. By referring to the skin color of hands, we can tell whether this "white" is white or not.

2, compare the avatar and see the size. Soaked trotters are usually bigger than those that have not been soaked, so you can't just choose the big trotters. A normal pig's trotters is about eight taels to a catty.

3. Touch and stick. The pig's trotters soaked in medicinal liquid feel sticky, and those that have not been soaked have no such sticky feeling. Gently press a button on the pig's trotters with your hand, and the soaked pig's trotters feel hard, while those that have not been soaked feel softer.

4. Come closer and smell it. Soaked pig's trotters can smell faint liquid medicine, which sometimes masks the fishy smell of pork itself. You can't smell the medicine if you haven't soaked it.

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People's Network-Four Tips for Pig's trotters with high nutritional value teach you how to buy.