It's soft and rotten to simmer pork feet for 3 minutes. You can open them and insert them with chopsticks when it's ready. If it's very easy to insert, it means it's cooked. Pig's trotters are rich in collagen protein, and their fat content is lower than that of fat. It can prevent skin dryness and wrinkle, enhance skin elasticity and toughness, and has special significance for delaying aging and promoting children's growth and development.

Nutritional value of pig's trotters:

Collagen in pig's trotters is composed of many amino acids, and there is one glycine in every three amino acids. After eating pig's trotters, collagen can be digested into a large number of glycine in human small intestine, which can not only participate in the synthesis of collagen in human body, but also be a central nervous system inhibitory transmitter in brain cells, which can produce sedative effect on central nervous system.

Eating pig's trotters is beneficial to reduce the excessive excitement of the central nervous system, and can also improve anxiety, neurasthenia and insomnia. In addition, glycine also exists in the intermediate neurons of human spinal cord. When the intermediate neurons are destroyed, it is necessary to replenish glycine. Glycine can inhibit the excitability of motor neurons and intermediate neurons in spinal cord, and can cause the hyperfunction of spinal cord neurons.

Eating glycine-rich trotters has a positive effect on regulating the functional activities of normal secondary neurons. Because glycine contained in pig's trotters has a sedative effect on the central nervous system, it has also been found that some people often have cramps or numbness in their calves, and there are spasms caused by certain drugs. Eating pig's trotters soup often also has certain therapeutic and relieving effects.