What are the things on fish that cannot be eaten? Can fish blister be eaten?

Fish meat is very tender and delicious, but we have to remove some inedible parts before eating fish. These parts generally taste bad, have no nutrition, and are potentially harmful to the body. So what parts of fish are inedible?

What can't you eat from fish?

First, avoid eating fish brains and fish scales, because fish brains are rich in many types of heavy metals, including fish scales (which absorb heavy metals, enhance the strength and toughness of scales, and more effectively protect the fish body);

Second, avoid eating fish gallbladders, as fish gallbladders are very toxic. As we all know, fish gallbladders are very bitter. When killing fish, be sure not to break the fish. Otherwise, even if you use fresh ginger to remove the gallbladder, there will still be traces of fish meat contaminated by the gallbladder, which will affect the taste. In addition, the danger of fish gallbladder poisoning to humans cannot be ignored. Generally, the gallbladder of a fish weighing 1.5kg can cause poisoning and easily endanger life, so when killing fish, be sure to remove the fish gallbladder.

Third, never eat fish fins and fish intestines, because many kinds of blood-sucking insects in the water attach themselves to and drill into fish fins, the seams between scales, and fish intestines and live there.

Freshwater (fat) fish should never be eaten raw, and should be cooked to more than 80% doneness. Cod is not suitable for young children, at least they should eat as little as possible.

Can fish bubbles be eaten?

Fish bladders, also called swim bladders, contain air so that fish can adjust their body density and swim up and down in the water. Most of the bony fish that live in the upper and middle layers of the ocean have swim bladders. When fish are in an oxygen-deficient environment, the fish bladder becomes an auxiliary respiratory organ and provides oxygen for the fish.

The nutritional value of fish bladder is relatively high. It contains protein, vitamins, minerals, etc., which can supplement human nutrition. In addition, fish bladder can enhance immunity. At the same time, it can also protect the eyes, nourish the kidneys, detoxify, detoxify and beautify, prevent cancer and fight cancer.

Can eating fish improve your brain?

It can nourish the brain.

Because fish is rich in unsaturated fatty acids, which are important substances for brain health. The DHA (commonly known as "brain gold") and EPA in fish are essential fatty acids for the human body, which are indispensable for the development of the central nervous system and vision, and are very effective in improving memory and thinking ability. In addition, DHA can promote the development of the nervous system, and EPA can promote blood vessel health. However, not all fish can supplement the brain. Eating more marine fish can improve memory and thinking ability, while the brain-enhancing effect of fish such as longli fish and tilapia is much smaller.