These 5 kinds of fish are all "heavy metal fish" and cannot be eaten. Many people still buy them. Don't understand.

These 5 kinds of fish are all "heavy metal fish" and cannot be eaten. Many people often buy them. Don't understand.

Fish meat is rich in nutrients and has a delicate taste. It is a kind of food for all ages. Appropriate food. In particular, fish is rich in unsaturated fatty acids, including DHA, EPA, etc., which are very helpful for the neurological development of the brain, so children and the elderly should eat more fish.

Although fish is very good, not all fish can be eaten. Eating the wrong fish can be harmful to your health. Many people still don’t know that there are several types of fish that contain a lot of heavy metals and should not be eaten. However, many people used to think that they were good food and would buy some of them every now and then.

Now I will tell you about these kinds of "heavy metal fish". If you know about them, don't buy them again.

1. It is alive and kicking but smells strange.

Many people like to buy live fish, thinking it is fresher. This is true, but it does not necessarily mean that live fish is better. If you smell a pungent odor, it means that the living environment of these fish is polluted. The fish meat contains a lot of heavy metals and even pollutants. Eating such fish is harmful and useless, so you must not buy it.

2. Sashimi

Sashimi is also called raw fish and fish breast. It is more common in Japanese cuisine. For example, there are many in sushi, including salmon fillets and tuna. These raw fish slices contain a lot of protein and other nutrients and are easy to deteriorate. In order to prevent them from deteriorating, formaldehyde water is usually used to keep them fresh. Formaldehyde is a carcinogen that is very harmful to the human body.

3. Large deep-sea fish

In the ocean, the rule of survival is that big fish eat small fish. Large fish are large and have a long survival time. By hunting other small fish, A large amount of heavy metals will be deposited in the bodies of large fish, such as tuna, salmon, etc.

4. Wild fish

People say that wild fish are good, but this is not necessarily true because the environment in the wild cannot be controlled by humans and is easily polluted. These wild fish are likely to be polluted. We have lived in an environment that not only contains heavy metals, but also parasites, bacteria, etc. Eating it is particularly bad for the body. The environment for farmed fish is generally relatively clean, and fish ponds are regularly disinfected and sterilized, making them safer than wild fish.

5. Dead fish

If it is a living fish, harmful substances in the body can be metabolized through metabolism, but after the fish dies, these harmful substances such as heavy metals and bacteria cannot After being excreted, it will be deposited in the fish meat, so there will be more heavy metals in dead fish than in live fish.

How to choose fresh fish? The fishmonger will teach you a few tricks to ensure that the fish are fresh, delicious and healthy.

1. Check whether the fish scales are shiny.

Normally, the scales of fresh fish are very shiny. If they are not fresh, the scales will slowly lose their luster and become very dull.

2. Check whether the gills of the fish 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 It will slow down, take in less oxygen, and the gills will turn dark red.

3. Check whether the fish is energetic

If it is fresh fish, the fish will escape quickly and be very energetic when caught by hand or fished with a net. But you cannot buy a fish that is about to die and won’t move even if you touch it with your hands.

How to eat fish? You can make braised fish, sweet and sour fish, steamed fish, pickled fish, etc., all of which are very delicious. Today I will share with you how to make steamed fish, which is guaranteed to be extra fresh and tender.

Prepare fresh seabass, scallions, ginger, chili, cooking wine, light soy sauce, and cooking oil.

1. Buy a fresh seabass. Seabass is the most suitable for steaming. It has almost no spines and the meat is tender and looks like garlic cloves after steaming. Slaughter the bass and clean it, rinse away the blood and drain the water

2. Rub some cooking wine on the fish, then cut some green onions and ginger slices, stuff them into the belly of the bass, and put some on the fish as well. , marinate for 20 minutes.

3. Spread some ginger slices on the fish plate, put the marinated fish into the plate, boil water in the pot, and steam for 8 to 10 minutes.

4. After taking it out, throw away the onion and ginger, pour out the soup on the plate, and add an appropriate amount of light soy sauce.

Cut some shredded green onion, ginger, and chili pepper, put them on the fish, burn some hot oil and pour it on top to stimulate the fragrance, steam the fish and it is ready to eat.