Black-bone eggs contain 274.2μg selenium per 100g, which is 20 times higher than that of ordinary eggs. The protein content of black-bone eggs is 13.4g, which is 8.2% higher than that of ordinary eggs, while the cholesterol is only 129.5mg, and the fat is 2.8mg, which is 8 1.4% lower than that of ordinary eggs.

Compared with eggs, black-bone eggs have the characteristics of low fat and cholesterol, and the yolk is large and the egg white is thick. Has the effects of enhancing immune function, improving anoxia tolerance and resisting aging.