Introduction: many people will be confused, sea duck eggs is not salted duck eggs? In fact, no, sea duck eggs also belong to a kind of duck eggs, but with the ordinary duck eggs are not the same. So what is the difference between sea duck eggs and ordinary duck eggs? Why are sea duck eggs so much oil?

What is the difference between sea duck eggs and ordinary duck eggs?

1, different places of origin

First of all, they are different places of origin, most of the ordinary duck eggs are inland in small lakes and small berths in the artificial breeding of ducks laying eggs, which are generally fed with artificial feeds or freshwater fish in the lake, in order to ensure its quality and the number of eggs, generally mainly artificial feeds, while the sea duck eggs are produced by the seaside city of the sea ducks naturally free-range, which are mainly in the sea in the small fish, small shrimps, small snails, and the sea ducks, and the sea ducks, and the sea ducks, and the sea ducks. Small fish, shrimp, snails and crabs in the sea for food, pure natural, no additives, no hormones, this sea duck is very fat, the sea duck eggs produced by the quality and taste are excellent, and the yolk is more red, but because of the free-range, so the amount of eggs produced is not high, so the price is expensive.

2, nutritional value

Sea duck eggs are expensive, not only because of its natural fat, but also because of its high nutritional value, which contains lecithin content is almost 50 times more than milk, is 6 times the egg, and protein and amino acid content is also very high, it can be imagined that the consumption of sea duck eggs on the human body is how beneficial, not only can soften the blood vessels, prevention of cardiovascular disease, but also improve the quality and taste of sea duck eggs. Cardiovascular disease, but also improve memory, delay aging, in short, many benefits, the key is not only rich in nutrients, but its cholesterol content is only 50% of the egg, which means that the supplemental nutrients at the same time will not be fat, simply afraid of fat people's favorite.

3, how to identify

Then so rare and expensive sea duck eggs how to distinguish from ordinary duck eggs? The method is very simple, the sea duck eggs small size, but heavy weight, shaking up the feeling is very full, the main thing is that its yolk is larger than the yolk of the ordinary duck eggs, and more red, ordinary duck eggs are generally yellow yolk, while the sea duck eggs are red heart.

Why are sea duck eggs so oily?

The "oil" in the yolk of a salted duck egg is inherent in the egg. Duck egg yolks contain up to 30% fat, that is, one-third of the yolk is composed of fat. In the yolk of fresh duck eggs, protein and fat can be evenly mixed into an emulsion, the fat is dispersed into very small oil droplets, and each small oil droplet is wrapped by protein and a water film outside, so you can't see the oil, and you can't taste it. Once salted, the protein salting phenomenon, slowly denaturing and solidifying, the fat will be released from it, from small oil droplets gathered into oil, and then after baking, you can see the yolk out of the oil, and oil and sand, but not greasy. After salted and baked sea duck eggs, the egg white is light tea

Our baked sea duck eggs using the brine method, with natural and non-polluting grass ash and brine placed in containers to soak the sea duck eggs, the salt in the brine quickly penetrate into the duck eggs, so that the yolks of the eggs and the salt of the integration of the speed of the fast, strict control of the time of salting, so that yolks out of the oil, the protein is only slightly salty. Some salted duck eggs on the market protein is not salty at all, but more oil, partners should be able to think of the fishy!

Nutritional value of sea duck eggs

Duck eggs are sweet and cool in nature, and have the effect of nourishing Yin and clearing the lungs, therefore, they are mostly used in Chinese medicine to treat lung fever, cough and other diseases. It is also a good tonic for those who have recovered from a serious illness. Of course, the nutritional value of duck eggs is not only these, the following detailed analysis of the nutritional value of duck eggs.

1, duck eggs are rich in protein, fat, calcium, iron, zinc and other nutrients, can give the human body to add a lot of nutrients, and is very easy to be digested and absorbed by the human body, the human body has a certain role in nourishment.

2, the protein content of duck eggs and eggs almost, but its mineral content is much higher than eggs, so the nutritional value of duck eggs can not be ignored.

3, duck eggs are rich in calcium, can effectively prevent osteoporosis, promote human bone development.

4. Salt eggs contain iron, which has the effect of replenishing blood and can treat iron deficiency anemia.

5, duck eggs have *** digestive organs, enhance the role of appetite, and have the effect of neutralizing stomach acid, cooling, lowering blood pressure.

6, duck eggs have the effect of nourishing the skin, for women is a rare nutritional beauty food.

In addition, duck eggs in the pickled, still contains a large number of nutrients, salted egg yolk oil has the effect of bright eyes and eyesight, but also can cure the children's accumulation of food, external application can be cured of burns, eczema. In Chinese medicine, salted duck eggs also nourish yin, clear lungs, rich muscle, skin, in addition to heat and other effects, and these functions than the unpickled duck eggs to be better. But need to pay attention to salted duck eggs can not eat more.