Not scientific.

Tea eggs cooked for a long time, rolling water and steamer water will produce a variety of harmful heavy metals, and produce a nitrite, containing carcinogenic substances, can cause digestive system, nervous system, urinary system and hematopoietic system diseases.

Tea in addition to alkaloids, there are acidic substances, and eggs in the combination of iron, on the stomach, intestines, pancreas, kidneys and so on have a great deal of irritation. Therefore, the elderly if consumed on an empty stomach in the case of tea eggs may cause disease, have had cholecystitis, pancreatitis history of the elderly, try not to eat tea eggs.

The tea eggs cooked for a long time, the yolk was gray-green, this is the yolk of ferrous ions and protein sulfur ions form insoluble ferrous sulfide caused by this ferrous sulfide will not be absorbed by the human body and use, if the children often eat iron malabsorption, resulting in iron deficiency anemia.

Expanded

Egg nutrition

1, brain health and intelligence

Egg yolk in the lecithin, lecithin, etc., on the nervous system and physical development has a great role. After lecithin is digested by the body, choline can be released to promote brain development and improve memory.

2, protect the liver

The protein in eggs has a repair effect on liver tissue damage. The lecithin in the yolk can promote the regeneration of liver cells and enhance the body's metabolic function and immune function.

3, the prevention and treatment of atherosclerosis

American nutritionists and medical workers use eggs to combat atherosclerosis. They extract lecithin from eggs and walnuts, and give cardiovascular patients 4-6 tablespoons a day. 3 months later, the patient's serum cholesterol dropped significantly.

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