The main components of bird's nest are: water-soluble protein, carbohydrates, trace elements such as calcium, phosphorus, iron, sodium, potassium, fat and neuraminic acid, also known as "bird's nest acid". Bird's nest acid can promote the information transmission speed of brain nerve cells. Bird's nest acid in breast milk can provide immunity for the early growth of infants and improve the absorption capacity of vitamins and minerals in the intestine.

Bird's nest is a nest made of saliva secreted by some Swifts and saliva secreted by several Swifts, and then mixed with other substances. Because bird's nest acid is not degraded by digestive enzymes when it passes through the digestive system, it can enter the intestine through the digestive tract, preventing the absorption of intestinal pathogenic bacteria, viruses and cells, which plays an important role in resisting various bacteria.

Extended data:

Bird's nest purchasing skills:

1. First determine the place of origin: the growing place of Jin Yan affects the quality of bird's nest. The industry in the producing area is developed, and the air pollution is serious. The more impurities such as dust, the darker the color of bird's nest, the higher the coverage area of rainforest in the producing area, and the better the wool quality of bird's nest. Many well-known bird's nest brands in China come from the above-mentioned producing areas.

2. Secondly, look at the hair of bird's nest: Bird's nest picked in different periods also has different hair heads.

3. It depends on whether the bird's nest is clean: the finer the hair, the better.

4, choose the shape of the lamp: the thinner the head and feet at both ends of the bird's nest, the more beautiful.

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