Egg is a basic requirement for household & food industry. Needs a sizable egg is currently supplied by breeder-breeder who specialized produce eggs, & consumers only buy them in shops or in the markets.
They must be cautious in choosing eggs before consumption because there is the chance of eggs being sold have been damaged or weakened quality, this can be caused by long storage or transport processes.
A nice egg characteristics can be seen from its exterior form, among others:
* The eggs ought to be normal, that is oval,
* Eggs were tidy,
* Leather flat egg,
* The contents of the egg does not ring when shaken,
* Eggs no defects or cracks. To choose the condition of cracked eggs or not, by observing the presence or absence of white lines on the surface of the egg shell. If there is a white line, then it indicates that the egg is cracked.
one. Telescoped eggs
To find out more about the quality of freshness or quality of eggs or egg, can be done in ways as follows:
Eggs are still fresh / new look:
Can use sunlight or incandescent lamps. To observe the eggs, then the tip of a bigger eggs attached to the lamp, because the eggs of air cavity is located in that section. When telescoped the eggs will be seen part of: air cavity egg, egg white & egg yolk.
The more the air cavity is formed, indicating that the longer the eggs age. This is because the evaporation method, so that the longer the egg ages, the evaporation of increasingly so the more air voids in / grew older.
* Air cavity (on the tip of the egg) small, the smaller the better.
* Smooth eggshell, eggshell pores small.
* There is no stain in the egg content.
* Egg yolk in the middle, not free to move.
four. Submerge egg in water
Another way to choose the freshness or quality of eggs is to soak the egg, namely:
four. Solving the egg
* Provide a transparent glass with a glass base diameter slightly wider. Fill the glass with water.
* Add the eggs in to it, observe the position of the egg after arriving at the base.
* When you lay an ideal egg position in the base glass (sink), then it indicates that the egg is still new age.
* If some of the eggs stand (float), shows the egg is long (estimated age of week.
* If the egg stands upright (float), shows that age elderly eggs (between 2-3 weeks).
* Eggs are still new, when solved, the whites are still strong.
* Eggs with the age of week, the white part is more wide.
* Eggs aged 2-3 weeks the whites far more widely, because the older the age the more watery eggs
Age of eggs may even be seen if they solve the eggs on the plate, then observe:
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