How is fish useful for humans?
How is fish useful for humans?
Anonim

Many people love fish. There are many more supporters of this food product than meat lovers. And even some vegetarians make an exception for seafood. There are many types of fish. By type, it is divided into sea, river, lake. Cooks classify it as red and white, fat, lean and "skinny". And there are probably as many ways to cook fish as there are types of fish. It is eaten boiled, pickled, fried, grilled, s alted, dried, stewed, smoked and even raw. First courses are prepared from this product, it is present in salads and snacks.

But many of those who love the taste of the inhabitants of the seas and rivers do not always know well what fish is good for. This article aims to shed light on this issue. The benefits of fish for the body are undeniable. It is not for nothing that the ministries of he alth in many countries recommend using this product at least twice a week. But are all types of fish useful equally? Can this product be harmful?

Why fish is useful
Why fish is useful

Usefulfish properties

Literally all the inhabitants of water bodies, both s alty and fresh, have meat containing high-quality protein. It can be compared to dietary chicken as it is easily absorbed by the body. And the fish contains valuable minerals: calcium, zinc, selenium, iron, phosphorus, magnesium. Marine species are rich in iodine. Fatty fish, such as salmon, chum salmon, trout, give a person an indispensable substance - the Omega-3 amino acid. This product is prescribed by nutritionists for weight loss as it lowers cholesterol levels and at the same time saturates the body with protein.

Useful qualities of fish are also expressed in the fact that it improves the functioning of the nervous system, strengthens memory, normalizes the functions of the thyroid gland and metabolism, blood coagulation. Those who regularly use this product live long and retain sharp eyesight, strong nails and teeth until old age. Fish should also be eaten by he althy people - for the prevention of cardiovascular diseases.

Useful properties of fish
Useful properties of fish

Product harm. Poisonous fish

Here you need to isolate several types of dangers to humans. There are poisonous fish such as puffer or brown puffer. Only licensed chefs can cook them: one slip and dinner can be fatal. Fugu accumulates so many toxins in its meat that it can kill a person within one minute. Other types of fish are not so deadly, but can also cause discomfort - indigestion, diarrhea. These include the Crimean barbel, triggerfish, hedgehog fish, barracuda, sea pike, madder. But there are sometypes of useful fish that have poisonous body parts. You should carefully and carefully remove the gills from them, wash off the mucus, select the bones, etc. Sturgeon can serve as an example of such a delicacy. It has valuable meat, but a squeal that is dangerous for humans - a vein that runs along the ridge.

The he althiest fish for humans
The he althiest fish for humans

Product he alth hazard

Even if we know how fish is useful, we must not forget that its valuable properties disappear from improper storage. Repeated freezing turns even the most valuable species into a worthless and even harmful product. An unfavorable ecological situation also directly affects the benefits of fish. Mercury and other toxic substances tend to accumulate in the head and liver of the carcass. Fish are very often infected with helminths. And to protect yourself from worms, you need to subject the product to heat treatment. Directly on the benefits of fish affects the method of its culinary preparation. A s alty product can be dangerous for people with diseased kidneys. Hot-smoked fish is delicious, but it accumulates carcinogens during cooking.

Types of useful fish
Types of useful fish

Sea fish: pros and cons

Now let's talk about which product to choose. Let's start with the inhabitants of the seas. What fish is useful for is polyunsaturated fatty acids Omega-3 and Omega-6. These substances are not found in other foods. There are fewer amino acids in river fish. The meat of the inhabitants of the seas contains bromine and iodine. They also provide us with much needed phosphorus. The mineral series in marine fish is significantlyricher than those of the river. There are molybdenum, cob alt, manganese, zinc, iron, copper, fluorine, sulfur, sodium, magnesium, potassium. Marine fish in terms of vitamin content are not inferior to vegetables and fruits. They contain the entire line of B, as well as PP, A, D and H. Fatty types of marine fish are rich in arachidonic and linoleic acids. These substances are a necessary component of the cell membranes of the brain. The disadvantage of sea fish is their high price. And people living in the interior of the continent often have access to a frozen product, the nutritional value of which is lower than fresh, chilled.

River fish: pros and cons

Yes, the inhabitants of fresh water are inferior to their sea sisters in the number of amino acids. There is no iodine and bromine in them. But dieters know the benefits of fish. Extra pounds will not grow from it, there will be no indigestion or diarrhea from it. River fish is low-fat, and its meat is easily digested by the body. In addition, this product is available to everyone. People living far from the sea can always buy fresh fish, freshly caught in a nearby river or lake. And this product - because it is available and available in large quantities - is usually not too expensive. However, there is one but. Fresh water bodies, especially ponds and lakes, are more polluted by humans. And the environmental situation directly affects the quality of the product.

Useful qualities of fish
Useful qualities of fish

The he althiest fish for humans

Salmon is a favorite among culinary specialists. These include salmon, pink salmon, chum salmon, coho salmon, chinook, sockeye salmon and trout. Salmon has the most valuable omega amino acids. Frommarine fish are very fond of mackerel, notothenia, cod, halibut, rainbow trout, sardines, herring and tuna. Of the river species, pike, pike perch and perch are considered the most useful. The carp family (which also includes crucian carp and carp) contains a lot of easily digestible protein, as well as calcium, zinc, potassium and sulfur. White tender perch meat is a dietary product. It has only 80 calories. In addition to low energy value, there are a lot of vitamins A, B, C, PP, E and D in perch. Pike is considered an excellent antiseptic, and it is prescribed for infectious patients.

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