How to distinguish between salted duck eggs and ordinary duck eggs

One, the shell is different.

The shell of salted duck eggs is a little transparent, and will be a little black. Salted duck eggs in the water can float, ordinary duck eggs sink.

Second, the odor is different.

Salted duck eggs drowned, the air sacs are larger; fresh duck eggs air sacs are smaller;

Three, the density is different.

With a basin of water, the water depth should be greater than the duck eggs, into the duck eggs, sinking underwater is salted duck eggs, floating above the surface of the water is fresh duck eggs.

Salted duck eggs:

Regular duck eggs:

Expanded Information:

Salted duck eggs nutritional value

1, amino acids

In the duck eggs contain a large amount of protein, and this material in the process of pickling will be broken down into amino acids, in addition to the salt pickling and thus lead to the duck egg in the In addition to the increase in salt, resulting in a slight increase in inorganic salt in the egg.

2, rich in calcium

Duck eggs in the pickled into salted eggs, which contains the protein content will be significantly reduced from 14.7 grams per 100 grams of fresh eggs down to 10.4 grams. And this time the fat contained in them will increase significantly, from 11.6 grams per hundred grams of fresh eggs, up to 13.1 grams. Not only that, but the carbohydrate content in salted duck eggs also increases significantly, from 1.6 grams per hundred grams of fresh eggs to 10.7 grams.

People's Daily Online - Salted duck eggs have eight nutritional values, but seven categories of people should not eat