There is no difference in the efficacy of different shapes of bird's nests, only the different types of bird's nests have different efficacy. For example, White Bird's Nest and Blood Bird's Nest. Bird's nest is formed when the saliva secreted by the developed mucous glands in the throat of the swiftlet condenses into a solid mass in the air. It is a bird's nest built by the swiftlet's ingestion of insects, seaweeds, silverfish, etc. after digestion, and is white in color, so it is called the white bird's nest.

Some of the bird's nests picked from caves are also maroon or blood-colored, and the reason for its formation is mainly believed to be the result of the environment where the bird's nests are located, such as the air, humidity, rocks, and other **** with the effect, and this part of the bird's nests is known as the blood bird's nests. It is generally believed that blood bird's nests are rich in minerals and have a higher nutritional value than white bird's nests.

Bird's nests are categorized into Hairy Bird's Nest and Grass Bird's Nest according to their production form. The name "Hairy Bird's Nest" comes from the fact that the bird's nests are not processed or handled, but are in the form of some hairs.

The Hairy Bird's Nest is mainly processed into Bird's Nest Jar, Bird's Nest Strips and Bird's Nest Horns. Grass Swallows, on the other hand, are mainly made of nylon grass, and the edible part of the bird's nests are full of impurities and have a rough texture. The edible part of the bird's nest is mainly processed into broken bird's nest and bird's nest cake.

Bird's nests are categorized into marigolds, bird's nests, bird's nests bars, bird's nests minced, bird's nests cakes and bird's nests horns. Bird's nests that have been cleaned, picked, shaped and dried to reach a standard with fewer impurities and are ready to be stewed, basically retaining the original shape of the bird's nests.

Since there is no uniform standard in the bird's nest industry, different merchants classify bird's nests into different grades according to their quality, such as Dragon's Tooth Jelly, Dragon's Head Jelly, Grade 1 Bird's Nest, Grade 2 Bird's Nest, Grade A Bird's Nest, and Official Bird's Nest.

Expanded Information:

Nutritional value of bird's nest:

Bird's nest is a very good food for the body. p>Nutritional Value of Bird's Nest:

Bird's nest mainly contains water-soluble proteins, and amino acids such as glycine. Amino acids are biologically active substances that can promote the growth and regeneration of cell tissues. Therefore, bird's nest is more suitable for burn patients or patients after radiotherapy to consume during the recovery period to help repair and rebuild damaged cells. Bird's nest also contains collagen and minerals, so it is also used in various beauty cosmetics.

Bird's nest contains 50% protein, 30% carbohydrates, 5% iron, 3% other minerals, and 1.4% fiber. The protein in bird's nest is mainly mucin (in other words, saliva) secreted by the epithelial cells, of which it contains only 1 essential amino acid (lysine), and 3 conditional (deficient in some populations) essential amino acids.

The human body requires 8 essential amino acids and 13 conditionally essential amino acids, therefore, the nutritional value of bird's nest proteins is extremely low, which has been confirmed by animal tests.

Feeding bird's nest to mice along with another single-component food will result in protein malnutrition. In other words, the nutritional value of bird's nest protein lies in the quantity, not in the quality. However, the amount of bird's nest that people usually consume "occasionally" is insignificant in terms of quantity, so the nutritional value of bird's nest in terms of protein is far less than that of various high-protein foods such as meat and soybeans.

People's Daily Online - How to eat bird's nest with high nutritional value? Types of Bird's Nest Distinguished