Please stop eating these 5 kinds of fish, it may contain formaldehyde and heavy metals, it is recommended to pass it on to your family
Fish is rich in nutrients and has a delicate taste. It is a food suitable for all ages. Especially fish is rich in unsaturated fatty acids, including DHA.EPA and so on. , which is very helpful for the neurodevelopment of the brain, so children. The elderly should eat more fish.
While fish is good, not all fish can be eaten. If you eat wrong, it will endanger your health. Many people don't know that there are several types of fish that contain a lot of heavy metals and cannot be eaten, but many people used to think that this is a good thing, and they bought some every once in a while.
Let me tell you about these heavy metal fish, don't buy it after knowing it.
1. It's alive and kicking, but it smells bad.
Many people prefer to buy live fish, thinking they are fresher. This is true, but not live fish is necessarily good. If you smell a pungent smell, it means that the living environment of these fish is polluted. Fish contain a lot of heavy metals and even pollutants. Eating such fish does more harm than good. You can't buy it.
2. Sashimi
Sashimi is also called sashimi. Fish is popular and common in Japanese cooking. For example, there are many in sushi, including salmon fillets and tuna fillets. These sashimi are high in protein and other nutrients and can go bad easily. In order to prevent it from spoiling, formalin water is often used to keep it fresh. Formaldehyde is a carcinogen that is very harmful to the human body.
3. Large deep-sea fish .
In the ocean, big fish eat small fish. Big fish are big in size and live long. Large amounts of heavy metals are deposited in larger fish such as tuna, salmon, etc. by hunting other small fish.
4. Wild fish
It is said that wild fish is good, but this is not the case, because the wild environment cannot be artificially controlled and is easily polluted. These wild fish are likely to live in a polluted environment, which not only contains heavy metals, but also parasites, bacteria, etc., which are particularly harmful to the body. The environment of farmed fish is generally relatively clean, and fish ponds are regularly disinfected and sterilized, which is safer than wild fish.
5. Dead fish
If it is a live fish, harmful substances in the body can be metabolized through metabolism, but after the fish dies, harmful substances such as heavy metals and bacteria cannot be discharged and will be deposited in the fish, so dead fish will contain more heavy metals than live fish.
How to choose fresh fish? Fishmongers teach you a few tricks to ensure that the fish are fresh, delicious and healthy.
1. See if the fish scales are shiny.
Normal fresh fish, the fish scales are very shiny, if not fresh, the fish scales will slowly lose their luster and become very dull.
2. See if the gills are bright red.
The blood circulation of fresh fish is relatively fast, so the gills for the fish to breathe will remain bright red, but when the fish is about to die, its breathing will slow down, the oxygen inhaled will be reduced, and the gills will turn dark red.
3. See if the fish is alive.
If it is fresh fish, when caught by hand or with a net, the fish will escape quickly and be very energetic. But the fish that is about to die is not touched by hand, so it cannot be bought.
How to eat fish? You can make braised fish, sweet and sour fish, steamed fish, pickled fish, etc., all of which are delicious. Today I will share with you the method of [Steamed Fish], which is guaranteed to be very fresh and tender.