According to ancient records, bird's nest is "sweet and flat in taste, nourishing lung and yin, resolving phlegm and relieving cough, and tonifying it, which is the holy medicine for conditioning fatigue." 」

The latest research report of Professor Jiang Runxiang from the Department of Biochemistry of the Chinese University of Hong Kong points out that bird's nest contains mitogenic hormone and epidermal factor in the solid surface of isolated cells, which can stimulate the growth and reproduction of cells and promote the growth, cell regeneration and cell-induced immunity of human tissues. The unique bioactive protein molecules contained in bird's nest have the following three functions.

1. Promote epidermal cell regeneration

2. Increase the immune function induced by cells

3. Improve individual resistance to X-ray injury.

Active protein molecules are easily absorbed by human body, which is also the reason why protein is far less than bird's nest in other foods. The report also pointed out that cytokinin in bird's nest can maintain its activity at about 80 degrees Celsius, but after heating and boiling, the nutrition will slowly lose. This is why the bird's nest needs to be simmered.