Why are the eggs in the supermarket so clean?

Eggs are a nutritional powerhouse in our lives. They provide the body with high-quality protein, vitamin A, lecithin, calcium, iron, phosphorus, and other nutrients, and are delicious in a variety of ways. Many people buy more eggs at supermarket sales, but the question arises: Why are the eggs in the supermarket so clean? How should so many eggs be preserved?

Eggs
Eggs

Why are the eggs in the supermarket so clean?

Egg washing production line
Egg Washing Production Line

The vast majority of eggs sold in supermarkets today are preserved eggs, not eggs in their original form. Clean eggs are eggs that have been specially treated by cleaning and drying, egg breakage detection, food-grade ink coding, oil spraying to preserve freshness, ultraviolet disinfection, weight grading, and tray packaging. It removes the residual feathers, feces, and other harmful objects on the egg shell, and kills and inhibits microorganisms from invading the egg body to protect the health of the person consuming it. Eggs that have not undergone these processes have a protective film of their own when they are first laid, but this film will gradually disappear over time and eventually become less fresh; the oil film of clean eggs lasts longer than the egg’s own protective film and helps preserve them.

Egg washing machine
Egg Washing Machine

Should consumers wash their eggs after they buy them?

In the case of clean eggs in the supermarket, in the case of the packaging itself, it means that steps such as cleaning the eggs and sterilizing them have been carried out before they leave the factory. And the eggs are coated with edible mineral oil, which protects them from bacterial contamination and stores them for a longer period of time. If the eggs are clean and have egg feces, it is not advisable to wash them for safety reasons, as they have their own protective film, and excessive washing can damage this protection and give bacteria an opportunity to take advantage of it, thus damaging the eggs and causing deterioration. The best way, we recommend that you can choose to gently wipe the dirty places, not touch the clean parts, and then put them in the refrigerator.

How to store eggs?

1. Try to buy clear eggs and follow the expiration date and storage temperature on the egg package and label.

2. In general, eggs do not need to be washed, but if they are contaminated with bird droppings, they can be washed with water. After cleaning, the eggs should be cooked immediately.

3. Avoid eating raw or undercooked eggs and egg products, especially for the elderly, infants, and pregnant women. Eggs should be cooked thoroughly until the yolk and whites are completely solidified.

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