Which part of the fish is nutritious?

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　　Part One: Part Seven: Fish Tail and Fish Bones

　　The nutrition of fish tail is similar to that of fish body meat. Fish bones do have the effect of supplementing calcium, but generally people eat very little. Shark bones can be made into fish bone meal.

　　Part 2: Fish

　　It is rich in high-quality protein, easy to digest and absorb, and has low fat content. It also contains inorganic salts such as calcium, phosphorus, potassium, iodine, zinc, and selenium, as well as vitamin A, vitamin D, and B vitamins. Fish meat is divided into dark and white meat. Dark meat contains more lipids, glycogen, vitamins, enzymes, etc., and has a fishier taste, such as tuna, sardines, etc.; white meat has a lighter fishy smell, such as large yellow croaker, halibut, etc.

　　Part Three: Fish Scales

　　Contains choline, which enhances memory. It also contains a variety of unsaturated fatty acids, which have certain effects on preventing and treating arteriosclerosis, hypertension and heart disease. It can be made into fish scale jelly and eaten. In addition, the scales of anchovies and anchovies contain certain lipids and umami components, and can be steamed directly without removing the scales during cooking; hairtail fish scales contain 6-thioguanine, which can fight cancer, and there is no need to scrape it when eating.

　　Part 4: Fish Brain

　　Rich in polyunsaturated fatty acid DHA, commonly known as "brain gold", and phospholipids, which help baby Brain development also plays a certain role in assisting the treatment of Alzheimer's disease. However, the cholesterol content of fish brain is high, so food intake should be controlled.

　　Part Five: Fish Eyes

　　The content of vitamin B1 and DHA is slightly higher, but because the fish eyes are small, the nutritional value is not great.

　　Part 6: Swim bladder

　　In ancient times, it was known as "marine ginseng", as famous as bird's nest and shark's fin. Fish maw contains biological macromolecule collagen protein, which can improve tissue nutritional status, promote growth and development, and delay skin With aging effect, it is an ideal high-protein and low-fat food. The swim bladder wall of saltwater fish is thicker and is usually made into a dried product, called fish maw. Dishes made from fish maw have a smooth, delicate and rich texture.

　　Part Seven: Fish Lips

　　It is mostly made from the dried skin and associated tissues of the upper lip of sturgeon, shark, and ray, and its main component is collagen. Although it is one of the eight delicacies of seafood, it actually does not have much nutrition.

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