What kind of swallows make bird's nests?

Rainbird swallows, swiftlets. Bird's nests are made from the saliva secreted by some of the swiftlets of the Rain Bird family and several species of swiftlets of the swiftlet genus, and then mixed with other substances to build nests. It is also known as "Swallow Vegetable", "Swallow Root" and "Swallow Vegetable". According to the nesting place, it can be categorized into "House Swallow" and "Cave Swallow".

Cave Bird's Nest has different colors due to its mineral influence, including white, yellow and red, while House Bird's Nest has only one color, ivory white. Bird's nest is one of the traditional and valuable foods that have been consumed in China since the Ming Dynasty. The so-called "blood bird's nests" on the market are rumored to be made from artificially farmed swiftlets through the "bird dung fumigation method".

Expanded Information

Effects and functions of bird's nest: Improve immune function. Scientists have extracted a substance in bird's nest that has the effect of promoting mitosis, and this substance, after entering the body, can well promote the lymphocytes to undergo mitosis and promote the body to produce more effective cells.

Lymphocytes play a very important role in the body and are important immune cells in the body. Bird's nest is able to promote the mitosis of the lymphatic system, thus improving the body's immunity and serving the purpose of strengthening the body.

People's Daily Online - Bird's nest has many effects This way to eat higher nutrition!

Baidu Encyclopedia - Bird's Nest