The nutritional value of skin eggs is similar to that of duck eggs, and the taste is much better than duck eggs. Skin eggs, like duck eggs, contain protein, phospholipids, vitamin A, vitamin B2, vitamin B1, vitamin D, calcium, potassium, iron, phosphorus and other nutrients. Duck eggs change from fresh to leather eggs, containing a reduction in water, protein and fat changes are not significant.

The sodium content in skin eggs is much higher than that in duck eggs, due to the fact that during the production of skin eggs, the salt and alkali added to the mud contain sodium, which can seep into the skin eggs through tiny cracks in the eggshell.

Skin eggs taste pungent, astringent, sweet, salty, cold, into the stomach meridian; have moistened the throat, heat, sobering up, go to the large intestine fire, treatment of diarrhea and other effects. If you add vinegar and eat, it can clear heat and anti-inflammatory, nourish the heart, nourish the spirit, nourish the fitness; for the treatment of periodontal disease, mouth sores, dry throat and thirst.

Expanded

1, pawing

Placing the loose eggs in the palm of your hand and gently pawing them, the good quality of the loose eggs trembling large, non-trembling loose eggs of poorer quality;

2, shaking

Take the loose eggs with your hand and put them next to your ear and shake them, the quality of the good loose eggs without ringing, the quality of the poor has a sound; and the sound of the sound, the sound, the sound and the sound, the sound and the sound, the sound and the sound, the sound and the sound, the sound and the sound. Poor quality is sound; and the louder the quality of the worse, or even bad eggs or rotten eggs;

3, look at the shell

that is, stripped of the mud attached to the loose eggs, look at the shell, to the shell intact, grayish-white, no black spots for the best; if the cracked eggs, in the process of processing is often likely to seep into the excessive alkali, thus affecting the flavor of the protein, and at the same time the bacteria may be invasive from the cracks, making the The first thing you need to do is to get rid of the cracked eggs and then you will be able to get rid of the cracks.

4, taste

Spun eggs if the pickled qualified, the egg white is obviously more elastic, was tea brown and pine branch pattern, the yolk periphery was black-green or blue-black, the center was orange-red, such a loose egg cut, the egg section of the color and lustre diversification, with the characteristics of color, aroma, taste, shape are good.

Baidu Encyclopedia-Skinned Eggs