Preserved egg, also known as Songhua egg in our life, has a very special flavor. It is often used to make cold dishes in our life. Will preserved egg be expired? Let's have a look.
Will preserved eggs expire
Preserved eggs go bad.
Generally speaking, preserved eggs stored for a long time or improperly preserved in the process of preservation will lead to deterioration of preserved eggs. After deterioration of preserved eggs, it is easy to breed bacteria and produce peculiar smell. The elasticity of deteriorated preserved eggs will become poor and the egg body will be weak.
Can preserved eggs be eaten after expiration
Not recommended.
Preserved eggs in the deterioration will appear after a significant increase in bacteria, preserved eggs slightly deteriorated, after high temperature treatment is edible. If the deterioration of preserved eggs is more serious, we must not eat them to avoid abdominal pain, diarrhea and other symptoms.
How to distinguish preserved eggs from spoilage
1. Look at the appearance
Can observe the appearance of preserved eggs is not complete, there is no damage, mildew and so on. If it is a high-quality preserved egg, the protein is dark brown and transparent, and it will have a certain toughness. If it is a contaminated preserved egg, it will be light green, with poor toughness and easy to loose. We must not eat such preserved eggs.
2. Shaking
The color of preserved eggs is relatively poor after deterioration, and the protein will change color. The air chamber is relatively large, and there are many dew bubbles. Moreover, we will have the sound of water or feel light after shaking.
3. Smell
After the preserved egg is cut, if it is a changed quality preserved egg, there will be black liquid flowing out, and there may be some peculiar smell or moldy smell. There is no deterioration of preserved eggs, the whole egg is relatively solidified, and will not appear sticky shell condition, looks clean and elastic, translucent brown.
4. Light transillumination
If the preserved egg is removed from the package, it can be identified according to the light transillumination method of fresh eggs. It can observe the color inside the egg, the state of solidification, and the size of the air chamber. It can identify whether the preserved egg has deteriorated. If it is deteriorated, there will be symptoms such as non coagulation, water sample, and large air chamber.