1. Black eggs are rich in trace elements, with large yolk, thick egg white and high nutritional value.

2. Compared with eggs, black-bone eggs are obviously lower in moisture and fat; Protein is slightly lower than eggs; Cholesterol content is higher than that of eggs; Phospholipids and vitamin B2 were significantly higher than those of eggs. Black eggs contain high levels of essential amino acids; Generally speaking, the nutritional value of black eggs is higher than that of eggs.