Jinghua Times (Reporter Qian Yuyang) Many people eat almost one egg each day. The nutritional value of eggs is very high, but Guo Hongbin, a national grade two public nutritionist, reminds us that some eggs are inedible.
1. Dead fetus eggs: Eggs are contaminated with bacteria or parasites during hatching, coupled with poor temperature and humidity conditions, and cause the embryos to stop growing eggs called dead fetus eggs. The nutrients contained in this egg have changed, and if it dies for a long time, the protein will be decomposed and produce a variety of toxic substances, so it is unfit for human consumption.
2. Rotten eggs: The eggshell is gray and even the shell is broken. The mixture in the egg is grayish green or dark yellow, and it has bad odor, so the egg cannot be eaten, otherwise it will cause bacterial food poisoning.
3. Cracked eggs: eggs in the transport, storage, transportation and packaging processes
Due to vibration, extrusion, etc., some eggs will cause cracks and cracks, which are easily invaded by bacteria. If they are left for a long time, they are unfit for human consumption.
4. scattered yellow eggs: due to intense transport and other shocks, yolk membrane rupture, causing mechanical dissipating yellow; or storage time is too long, by bacteria or mold through the egg shell pores invade the egg, and destroy the protein structure caused by scattered yellow, eggs Thin turbid liquid. If scattered yellow is not serious, no odor, after boiling and other high-temperature treatment can still be edible, but if the bacteria in the egg reproduction, protein has been degeneration, there is no smell can not eat.
5. Stick shell eggs: This type of egg is stored for too long. The yolk film is weak and tough. The yolk is tightly attached to the shell. If it is partially red, it can be eaten. However, the egg membrane is tightly attached to the shell, sticking outside the skin. Those who are dark-black and have a bad smell are not allowed to eat again.
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