Freeze drying of bird's nest
Bird's nest contains a lot of mucin, glycoprotein, calcium, phosphorus and other substances to enhance the body's resistance to disease.

As an ancient nourishing treasure and beauty sacred product, bird's nest has the function of nourishing yin and moisturizing the lungs, nourishing and nourishing the skin. At the same time, it can promote the metabolism of the human body, long-term consumption, maintain health and youth forever.

Then the traditional bird's nest method needs to be stewed in a saucepan for several hours, which is quite troublesome and is quite inconvenient for those who are busy and have no leisure time. The development of contemporary bioengineering makes it possible to use bird's nest to become empty energy whenever drinking tea.

The freeze-dried bird's nest process can be roughly as follows:

1. Pick the best bird's nest and soak for 3-4 hours.

2. Filter out the water and dry it by centrifugation to help keep the bird's nest elastic.

3. Load into the freeze dryer tray and pre-freeze for 4 hours.

4. Sublimation drying, 10-12 hours, control process.

5. After the freeze-drying, the bird's nest is white, not the yellowish state of the original swallow. This is because the freeze-dried bird's nest removes more than 98% of the water and is visually white.

It is convenient to eat freeze-dried bird's nest. It can be eaten by boiling water in a thermos cup for 10-15 minutes.