• Why are eggs in the supermarket outside the fridge?

  

  One of the first questions you ask when looking at the egg aisle at the supermarket is: Why are they at room temperature here, while at home I have to refrigerate them? The answer is simple: it depends on how the eggs are handled after being laid. In European countries, eggs are not washed or treated with chemicals before being sold. This preserves the natural protective cuticle that covers the shell, an essential barrier against bacteria, especially Salmonella. The cuticle protects the inside of the egg from external agents, maintaining the products freshness for longer. However, this protection is only effective as long as the eggs remain at room temperature without sudden temperature changes.

• Temperature changes: the enemy of eggs

  

  Once you bring eggs home, its advisable to store them in the refrigerator. The main reason is to prevent bacterial growth, especially during warmer seasons, when high temperatures accelerate spoilage. Temperature fluctuations are a major problem because when a cold egg is exposed to a warm environment, condensation forms on the shell. This condensation creates an ideal environment for bacteria, which can penetrate through the tiny pores in the shell. This is precisely why keeping eggs at the same temperature is essential for food safety.

• Are the eggs sold in the supermarket pasteurized?

  

  Unlike products like milk and fruit juice, the whole eggs found in supermarkets are not pasteurized. Pasteurization is a heat treatment that eliminates most bacteria without altering the organoleptic characteristics of the food. However, there are egg-derived products, such as liquid egg yolks or egg whites sold in bottles, which are pasteurized to ensure greater food safety. Fresh whole eggs are not pasteurized because the shell itself, if properly preserved, is a sufficient natural barrier to protect the contents.

• What is the best way to store them?

  

  The rule is simple: once purchased, eggs must be refrigerated and kept at a constant temperature until ready to use. Its also important to consume them by the expiration date indicated on the packaging, always checking their appearance and smell before using them. The freshness of eggs is essential not only for the flavor of your dishes but also to avoid the risk of bacteria. If you want to use raw eggs, for example, in homemade mayonnaise, you can opt for pasteurized eggs in bottles or pasteurize the yolk at home. With these simple precautions, you can safely enjoy one of natures most versatile and nutritious foods!

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Data di inserimento 05 gen 2025

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