The yolk is the yellowish part of the egg. Most of the protein in the egg is concentrated in the yolk. The lecithin in the egg yolk can be released after being digested by the human body. Choline reaches the brain through the blood, which can prevent mental decline and enhance memory; medical experts say lecithin is the nemesis of Alzheimer's disease; lecithin in the egg yolk can promote the liver. Cell regeneration can also increase the human plasma protein content, promote the body's metabolism, and enhance immunity. Solar Camera,Wireless Solar Outdoor Monitoring,Night Vision Solar Camera,Solar Security Camera Shenzhen Zuomi Technology Co., Ltd. , https://www.zuomicamera.com