Bird's nests are nests made of the saliva secreted by several species of swiftlets of the family Apodidae and their down feathers mixed and bonded together. It is mainly produced in Malaysia, Indonesia, Thailand, Myanmar and other Southeast Asian countries, as well as the coastal areas of Fujian and Guangdong in China.
Bird's nest is rich in sugars, organic acids, free amino acids and salivary acid, which has the effect of nourishing yin, moistening dryness and tonifying the middle-aged and benefiting the vital energy, etc. It is a high-class tonic used for both medicinal and food purposes, which is loved by domestic and foreign consumers.
Expanded Information:
The main nutrients of bird's nest, including the amino acids and salivary acids, are the same as those in the food. p>The main nutrient in bird's nest is protein, which has 1 essential amino acid (lysine) and 3 conditionally essential amino acids. Bird's nest is often consumed with sea cucumber, which can enhance the effectiveness of bird's nest. There are 8 essential amino acids and 13 conditionally essential amino acids that the human body needs.
Bird's nests are known as "blood bird's nests" because the food of swiftlets contains seaweeds and other substances that make their saliva red with impurities, not because of the misconception that they have not completed their nests, and that they spit blood to form their nests. After the bird's nest is picked, it has to go through complicated processing such as steaming fine, soaking, removing impurities, picking hairs and drying before it can be made into a finished bird's nest.
Baidu Encyclopedia - Bird's Nest
Baidu Encyclopedia - Golden Bird's Nest