Egg nutrition is rich, can complement for human body a variety of nutrition, but having a few kinds of eggs is inedible, do you know?

Crackle egg: The egg is being carried, store reach pack in waiting for a process, because shake, the reason such as extruding, can make some eggs cause interstitial, crackle, be invaded very easily by the bacterium, if set time longer unfavorable edible.

Stick housing egg: Because this kind of egg stores time is too long, slacken of yoke film You Ren, yoke is clingy at chorion, if local show red to still can eat, but egg film is clingy chorion immobile, deep black is presented outside sticking a skin, and the person that have peculiar smell, unfavorable feed again.

Smelly egg: Because the bacterium invades a large number of breed inside the egg, generation is degenerative, chorion black gray, make chorion is enraged because of sufferring in-house vulcanization hydrogen even body expands and burst, and the mixture inside the egg shows celadon or dark yellow, contain effluvial ingredient, criterion this egg cannot edible, can cause bacterial sex otherwise bromatoxism.

Medicinal powder yellow egg: Wait for intense oscillation because of carrying, yoke film burst, cause mechanical sex to come loose yellow; Perhaps deposit time to grow too, be invaded by bacterium or stoma of mould classics chorion inside egg body, and destroyed protein knot to construct to come loose yellow, egg fluid is watery muddy. If come loose,fizzle out not serious, without peculiar smell, after the high temperature such as classics decoction is handled still but edible, but breed inside egg body like the bacterium, protein is metamorphic already, the stink cannot eat.

Stillborn foetus egg: Because be polluted by bacterium or helminth,the egg is in in hatch process, impose requirement of temperature, humidity bad to wait for a reason, the egg that causes embryo to stop development calls stillborn foetus the egg. Place of this kind of egg contains nutrition to already produced change, if death is longer, protein is decomposed to meet produce a variety of toxic material, reason is unfavorable edible.

Mildewy egg: Some eggs suffer drench or be affected with damp be affected with damp, can wash the diaphragm of chorion surface, make the bacterium invades the area inside the egg mildewy metamorphism, cause chorion to go up to have black spot and become moldy, this kind of egg is unfavorable also edible of choose and buy.

In addition, still have diarrhoea yellow egg, hematic muscle egg waits to also should not purchase edible commonly.