If salted duck eggs are boiled directly in boiling water, it usually takes only 8 minutes; If the salted duck eggs are boiled in cold water, it will take * * * 12~ 15 minutes to cook until they are fully cooked; However, if you want to eat half-cooked liquid egg yolk, it is recommended to cook it in boiling water for about 7 minutes and in cold water for about 10 minutes.
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Nutritional value of salted duck eggs
1, amino acids
There are a lot of protein in duck eggs, which will be decomposed into amino acids in the process of salting. In addition, the salt in duck eggs increases due to salting, resulting in a slight increase in inorganic salts in eggs.
In fresh duck eggs, the fat in the yolk can't be seen to contain oil because it is combined with protein, but after curing for a period of time, protein will denature and separate from the fat, and at this time, the fat in duck eggs will gather together to become egg butter.
The yolk of salted duck eggs contains a lot of red and yellow vitellin and carotene, which are dissolved with egg butter, so the red and yellow color we see appears.
The oily salted egg is a sign that the salted egg has been salted. It can be said that the nutritional value of salted duck eggs is very high, which is not much different from the nutrition contained in fresh duck eggs.
2, rich in calcium
After salted duck eggs, the content of protein in them will be obviously reduced, from14.7g per 100g of fresh eggs to10.4g..
At this time, the fat contained in it will obviously increase, from 1 1.6 grams per 100 grams of fresh eggs to 13. 1 gram.
Moreover, the carbohydrate content in salted duck eggs also increased significantly, from 1.6 g per 100 g of fresh eggs to 10.7 g.
One of the most noteworthy is the preservation of minerals. The minerals contained in duck eggs will not be damaged during the curing process, and at the same time, the calcium content in the curing process will be greatly improved, from 55 mg per 100 grams of fresh eggs to 5 12 mg.
3. Inorganic salts
Salted duck eggs not only contain abundant calcium, but also contain inorganic salts such as iron and phosphorus, and experts have found that the calcium quality and iron content in salted duck eggs are higher than those in eggs and fresh duck eggs.
Therefore, their nutritional value is basically the same, and each has its own advantages. Proper consumption is not harmful to the body, so it can be safely eaten in daily life.
Although salted duck eggs have high nutritional value and are harmless when eaten in moderation, you should not eat too much of any food. For example, the amount of salt used in salted eggs is generally around 10%. If you eat too much, you will probably suffer from hypertension, which will seriously endanger human health.
4. Clearing lung fire
Through research, it is found that all kinds of nutrients contained in salted duck eggs have good effects of nourishing yin, clearing away lung heat, enriching muscles and caring skin, so they are very suitable for eating in summer.
In addition, Chinese traditional medicine believes that salted duck eggs can clear lung fire and reduce yin fire, which can treat children's food retention compared with salted egg butter without pickling, and external application can treat burns and eczema.
5. Duck eggs contain phospholipids, vitamin A, vitamin B2, vitamin B 1, vitamin D, calcium, potassium, iron and phosphorus.
6. The content of protein in duck eggs is the same as that in eggs, which has the function of strengthening the body.
7. The total amount of various minerals in duck eggs is much more than that in eggs, especially the iron and calcium urgently needed in the body are abundant in salted duck eggs, which is good for bone development and can prevent anemia.
8. Duck eggs contain more vitamin B2, which is one of the ideal foods to supplement B vitamins.
Dietary taboo of salted duck eggs
Pregnant women, people with spleen yang deficiency and diarrhea due to cold and dampness should not eat, and patients with hypertension, diabetes, cardiovascular disease and liver and kidney diseases should eat less.
People's Network-Salted duck eggs have eight nutritional values, but seven types of people are not suitable for eating.