Fake bird's nests may be made of tapioca flour, isinglass, pig skin, etc., and some are glued bird's nests to gain weight.

Identification tips:

1. Look: the middle of the bird's nest has a filamentous structure, and the corners of the bird's nest have a flaky structure; whether a pure bird's nest is viewed after soaking or under light, Not completely transparent, but translucent. Since each swallow eats different food, the color of their saliva will also be different, so the colors on each bird's nest are different shades.

2. Smell: The smell of bird's nest should be very light when dry, and it should have a special fragrance and a light egg white smell after being wet. Products that smell chemical, fishy or greasy are fake.

3. Soak: Take a small piece of bird's nest and soak it in water. After it is soft, take a silk strip and pull it. Real bird's nest is elastic; if it has poor elasticity and breaks when you pull it, it is fake, but the bird's nest is completely broken. There is no elasticity after opening, and if it still has good elasticity, it is fake. If there is oil on the water after soaking the bird's nest, it is a fake bird's nest. Knead it with your fingers. If it has no elasticity and can be kneaded into a paste, it is also a fake.

4. Burning: Use fire to ignite dried bird's nest slices, and there will be flying sparks. This is the result of protein burning. The ash is black, not white ash as misled on the Internet.

5. Stew: To stew bird's nest, it is usually simmered in a stew pot with water for 20-30 minutes. After stewing, a rich protein fragrance will come out, and the color will be light milky yellow. It will be too white and translucent. Fake bird's nests will not have this fragrant protein smell.

You can learn about the bird’s nests in Pingan Pavilion