Egg yolks contain fat. Because the fat content of eggs is mainly from the yolk, every 100 grams of eggs contain 10 grams of fat. So, for weight loss it is recommended to eat egg whites instead of yolks.
The yolk is the yellow part of the egg. The protein of the egg is concentrated in the egg white and egg membrane, and the rest of the nutrients are concentrated in the yolk. The yolk is rich in fat-soluble vitamins, monounsaturated fatty acids, phosphorus, iron and other trace elements.
The yolk is also part of the nutrients in the egg, the main minerals in the egg, vitamins, phospholipids, etc. in the yolk. The main components of the yolk are 17.5% protein, 32.5% fat, and about 48% water and 2% minerals, as well as a variety of vitamins and so on.
Expanded Information:
Eating efficacy
1, eggs are rich in protein, fat, lutein, lecithin, vitamins and iron, calcium, potassium, lutein and zeaxanthin, and other minerals needed by the human body.
2, the color of the yolk is dark yellow, which is the source of lutein and zeaxanthin. The yellower the color of the yolk, the better for eye health.