2. Health: Tannic acid will be produced in the process of making marinated eggs. Tannic acid and protein in food will be mixed together. Once they meet, solidified substances will be deposited in the body, which will seriously affect the human body's absorption and utilization of protein, and the nutritional value of eggs will be wasted. Braised eggs will also combine with egg yolk to form iron sulfide, which will affect the absorption and utilization of iron by human body and easily lead to anemia.
3. Nutrition: Eggs are rich in protein and a lot of lecithin. After ingesting in the body, it can increase satiety and reduce the intake of other staple foods, thus achieving the effect of losing weight. However, nutritionally, stewed eggs will have more nutritional value than boiled eggs after a long period of cooking, so boiled eggs are more suitable for weight loss.