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Can dry bird's nest be eaten after 6 years? How long can bird's nest be preserved

Bird's nest has the effect of nourishing the body, beautifying and beautifying the face. The bird's nest is dry when bought. How long is the shelf life of bird's nest? If you put it for 5 or 6 years, can you still eat it? Let's get to know with Xiaobian.

In general, dry bird's nest should not be eaten after 6 years. Dry bird's nest, after 6 years, will be easy to grow bacteria, susceptible to damp, moldy, will easily deteriorate, not suitable for continued consumption. Let's take a look at it in detail!

Can we eat dry bird's nest after six years

Not recommended.

Dry bird's nest is a kind of food with very high nutritional value. It may breed bacteria when stored for 6 years, and it is easy to become damp, soft, moldy and other deterioration phenomena. Eating it will cause gastrointestinal discomfort, abdominal pain, nausea and vomiting, dizziness and other discomfort symptoms. Therefore, it is not recommended to eat dry bird's nest which has been kept for 6 years.

Even if the bird's nest doesn't go bad, it's not recommended to continue eating. If the food has not gone bad after six years, how many preservatives have to be added!

How long can dry bird's nest be preserved

About one year.

Dry bird's nest has less moisture content, so it can be stored for a long period of time. Generally speaking, if the dry bird's nest is put in the refrigerator, it can be stored for about 1 year.

How to keep the dry bird's nest unopened

Basically, every bird's nest bought is wrapped with plastic film. For the unopened dry bird's nest, you can directly put the bird's nest in a cool and ventilated place.

Already opened

The low temperature in the refrigerator can inhibit the growth of microorganisms, so as to extend the shelf life of the bird's nest. If the bird's nest has been opened for consumption, it is recommended to seal the bird's nest and store it in the refrigerator.

How to choose dry bird's nest

​ color

High quality bird's nest is ivory white or slightly yellow, glossy, and translucent when observed under light or after soaking in water. If the color of red swallow or yellow swallow changes after soaking for a period of time, it indicates that it is a fake bird's nest.

2, smell

High quality bird's nest has egg white smell or special fragrance. If it has fishy smell or greasy smell, it is fake bird's nest. If it smells pungent chemicals, it may be bleached bird's nest.

3. Humidity

Gently hold the bird's nest with your hand. If it feels soft and sticky, it means that the humidity is high and it is not suitable for purchase.

4, hair head

High quality bird's nest can grow 6-12 times larger on average after being immersed in water. If the hair is too big, it may not be a good bird's nest. For example, cave bird's nest, because of its high mineral content and toughness, will not expand a lot when immersed.

5, density

High quality bird's nest has fine and dense filaments, no gaps in appearance; less internal capsule filaments; a small amount of fine hairs in the calyx.

6, elasticity

Tear a small piece of bird's nest and soak it in water until it's soft, then take the silk strip and pull it. If it's broken, it's fake; or if it's kneaded with fingers and turned into paste, it means it's fake. Pull after the bird's nest is completely opened. If the elasticity is good, it means it's fake.

7, taste

The high-quality raw bird's nest will have a little fishy smell when chewing, and the taste will disappear after stewing, with a light fragrance. If the bird's nest is particularly fishy when eaten, it means that it is of poor quality.

8, burning

Take a small piece of dry bird's nest and ignite it. The authentic bird's nest will splash with sparks and generate black ash after burning; the fake bird's nest will produce a crackling sound when burning.