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three weeks

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Eggs in the shell store quite well for long periods of time in the refrigerator without spoiling. They have good natural defence systems as long as they are clean and uncracked.

The easiest way to maintain store bought eggs at high quality is to store them in cartons in the refrigerator as soon as possible after they are laid. Clean eggs, free of visible defects of the shell and contents, will then remain at high quality for up to two months and will still be as 'fresh' as eggs stored for seven days at room temperature. They can be stored for longer periods but the quality will begin to deteriorate noticeably.

Farm fresh eggs can be held in cold conditions for about a month longer (three months).

Where it is difficult to refrigerate eggs a coating of oil may be applied to help preserve them. although on its own this is not as effective as refrigeration, it does slow down the loss of quality of the egg and if the eggs are then stored in a cool place you should obtain about three weeks of high quality life.

A quick test for freshness is to check if the raw egg in the shell sinks in a basin of water. Fresh eggs stay at the bottom of the bowl while stale eggs stand on end or float because of the large air cell.

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