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What's the point of printing some dates on eggs? And will this ink penetrate into the eggs? Why do you make so many tricks on food?
1, this is brand promotion, just like other brands print their own trademarks on packaging bags;
2. The date may be the fresh-keeping period or the factory date, to confirm that the eggs are not expired and the quality is fresh;
Generally, such ink will not penetrate the eggshell, so it is harmless.