Tea eggs are not as nutritious as hard-boiled eggs.

The tea contains alkali components of biological acids, which will penetrate into the eggs when boiled and combine with the iron elements in the eggs; this combination, which is highly irritating to the stomach, will affect the digestion and absorption of nutrients over time, which is not conducive to human health.

So in many people eat tea eggs, will feel digestion is not good, this is because the combination of tea and eggs lead to the stomach is difficult to accept, this stimulus is difficult to digest, but not conducive to human health. Eat eggs, simply boiled with water is good, after all, tea eggs it is not only the benefits of the body does not have a high nutritional value of boiled eggs, but its calories are much higher than boiled eggs.

Expanded:

The best time to boil an egg is when it is not as good as a boiled egg. p>The best time to boil an egg is good. Cool water in the pot, water boiling counts for 5 minutes, boiled eggs are killed both harmful pathogenic bacteria, but also more complete preservation of nutrients.

Eggs cooked in boiling water for more than 10 minutes, then a series of internal chemical changes will occur, the protein structure will become tight, not easy to contact with the protein digestive enzymes in the gastric juice, it is difficult to be digested; there is also egg protein contains more methionine, if heated for a long time, it will be decomposed out of the sulfide, because it reacts with the yolk of the iron, so that will form The human body is not easy to absorb iron sulfide, of course, the loss of nutrition will be more.

The water in which the eggs are boiled must not exceed the eggs, otherwise the protein will not solidify where the water is not immersed, affecting digestion. You can soak the egg in cold water for a while before boiling it to reduce the air pressure inside the egg.

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