From a nutritional point of view, the chicken head does not contain better nutrients than other parts, while the brain marrow of chicken brain contains more cholesterol. Secondly, chickens will ingest a lot of substances containing harmful heavy metals in the process of pecking, and these heavy metals are mainly stored in chicken brain tissue. The older the chicken, the more it is stored, and the more toxic it is. This is the origin of "Ten Years of Arsenic". Of course, chickens and ducks are not as old as they are now, but it is better to be cautious when eating their heads.
2. Nutritional value of chicken head
From the point of view of nutrition, although the chicken head contains no better nutrients than other parts, the chicken brain contains more cholesterol. And the comb contains hyaluronic acid, which is good for the eyes. Skin experiments show that hyaluronic acid can make skin smooth. It can alleviate and prevent the degenerative changes of articular cartilage. Other functions of HA include regulating extracellular fluid and electrolyte and promoting wound healing. In China traditional medicine, the nutritional value of the head of a chicken is also recorded in this way. Chicken head is sweet and warm, nourishing liver and kidney, dredging collaterals and promoting blood circulation, promoting acne rash, treating epidemic acne rash and regulating fetal qi.