Eggs should be placed upside down in the refrigerator compartment, with the temperature maintained at around 4 ℃, to avoid contact with strongly scented foods. Egg storage should pay attention to factors such as environmental temperature, placement direction, storage location, cleanliness level, and storage time.
1. Environmental temperature
refrigeration is the best way to preserve eggs, and a stable temperature of around 4 ℃ in the refrigerator compartment can effectively inhibit the growth of Salmonella. When stored at room temperature, the shelf life of eggs will be significantly shortened, and they are more prone to spoilage in high temperature environments during summer. After purchase, eggs should be promptly placed in the refrigerator to avoid prolonged exposure to room temperature.
2. Placement Direction
When storing eggs, the air chamber should be placed facing upwards, with the big head on top and the small head on the bottom. This placement method can keep the egg yolk in the center of the eggshell, avoiding the rupture of the gas chamber under pressure. Incorrect placement direction may cause the yolk to stick to the shell, accelerate the rate of egg spoilage, and affect the taste of the food.
3. Storage Location
The temperature fluctuation of the refrigerator door frame is large and not suitable for storing eggs. It is recommended to place the eggs on the partition inside the refrigerator, away from the air outlet of the freezer. Do not mix eggs with strongly scented foods such as onions, ginger, garlic, etc. The micropores on the surface of the eggshell will absorb the odor and affect the quality.
4. Cleanliness
Do not clean the natural protective film on the surface of eggs before storage, as washing with water can damage this stratum corneum and cause bacterial invasion. If there is dirt on the surface of the eggshell, it can be gently wiped with a dry cloth. Severely contaminated eggs should be stored separately and consumed as soon as possible. Choosing eggs with clean and crack free surfaces when purchasing is more conducive to preservation.
5. Storage Time
Eggs can have a shelf life of 3-5 weeks under refrigeration conditions, but it is recommended to consume them within 2 weeks to ensure freshness. Eggs stored for too long may experience thinning of the protein and yellowing of the yolk. Freshness can be determined through a float test, and eggs that sink to the bottom are fresher. It is recommended to discard eggs that float to the surface.
It is recommended to use original paper boxes instead of plastic boxes when storing eggs in daily life. Paper boxes can absorb excess moisture and reduce temperature fluctuations. Close the refrigerator door promptly after each use to avoid temperature changes affecting other eggs. Before cooking, the eggs should be moved from the refrigerator to room temperature to achieve better cooking results. Pay attention to the condition of the eggshell, and deal with any cracked or smelly eggs immediately. Reasonable storage can maximize the nutritional value and food safety of eggs, providing high-quality protein sources for daily diet.
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