1, part of protein in salted eggs is decomposed into amino acids. Due to salting, the salt content in eggs increases, and the inorganic salts in eggs also increase slightly. Because the fat in raw egg yolk is combined with protein, it can't be seen that it contains fat. After a long curing time, protein will denature and separate from the fat, and the fat will gather together to become egg butter. Egg yolk contains red and yellow vitellin and carotene, which turns red and yellow when dissolved in egg butter, increasing the sensory properties of salted eggs. The oily salted eggs are a sign that salted eggs have been cured. Therefore, the nutritional value of salted eggs and fresh eggs is basically the same.

2. After the salted eggs were salted, the protein content of the eggs decreased obviously, from14.7g per 100g of fresh eggs to10.4g; The fat content increased obviously, from11.6g per 100g of fresh eggs to 13. 1 g; The content of carbohydrate changed even more, from 1.6 g per 100 g of fresh eggs to 10.7 g; Minerals are well preserved, and the content of calcium is greatly improved, from 55 mg per 100 g of fresh eggs to 5 12 mg.

3. Salted eggs are rich in inorganic salts such as calcium and iron, which are higher than eggs and fresh duck eggs.

Therefore, their nutritional value is basically the same, each has its own advantages, and it is harmless to the body and can be safely eaten. However, you can't eat too much of any food. For example, the salt content of salted eggs is generally around 10%, and it is easy to get high blood pressure if you eat too much.

There are two main disadvantages:

(1) Pickled food contains a certain amount of nitrite, which has a certain anti-cancer effect if eaten for a long time.

(2) Salted food is high in salt. Long-term high-salt diet is easy to induce hypertension. In addition, salty things are bad for digestive system, especially mucous membrane.

Suggestion: gradually reduce the amount and frequency of eating. If you change to one every day, slowly change to one every other day; In addition, the method of curing salted duck eggs quickly is recommended, which can avoid nitrite.