In Soviet times, tuna fish was considered a delicacy, dishes from this fish were served at dinner parties to the first persons of the state. Since then, many years have passed, today anyone can buy tuna in any supermarket in a fresh, frozen and canned form. The fish is really distinguished by delicate pulp, incredibly pleasant taste and high nutritional value.
According to doctors, the meat of a marine predator contains a lot of omega-3 fatty acids, which are actively involved in the work of the brain and heart muscle. Nutritionists are fully in agreement with this and advise those who control their weight to consume fish.
The benefits and harms of tuna have long been studied and appreciated by the peoples of Japan. This country occupies a leading position in the absorption of marine life. Japanese cooking uses fish flesh to make rolls and sushi. Dishes are almost the national pride of the country, they are used everywhere: at home, on the street, in a restaurant, in a bar. Tuna is a real favorite among fish species.
Where is the mackerel fish found?
A large predator, reaching three meters in length, is considered one of the fastest marine inhabitants. Surprisingly, the schools of fish are constantly in motion, they can reach speeds of up to 70 km / h and travel huge distances in search of food (mollusks, crustaceans, small fish). Their body and circulatory system are simply perfectly formed for long and long trips.
Tuna has chosen the waters of the Atlantic, Indian and Pacific Oceans. Catching him is not easy, because the flock prefers deep-sea places. In world cooking, its meat is very popular, one of the reasons for such a high demand is that the carcass is not exposed to parasites. Fish is absorbed in salted, fried, boiled and even raw form, sprinkled with salt.
The benefits and harms of tuna are predetermined by the biochemical composition
The meat of this marine life is characterized by the presence of nutrients (magnesium, selenium, potassium, iodine, phosphorus, calcium) and proteins. The content of vitamins B, E, D, K in the pulp is huge. The last group of substances is extremely necessary for a person for the proper functioning of the cardiovascular system and blood formation.
The individual is enriched with iron, which takes an active part in the supply of oxygen and has a beneficial effect on the functioning of the thyroid gland. This is a real storehouse of valuable amino acids and omega-3 fats. Useful properties are preserved after heat treatment. If you do not have the opportunity to buy fresh carcass, then you can always buy canned tuna, the benefits and harms of which largely depend on the presence of additional ingredients.
Experts advise buying fish in their own juice without the presence of aromatic additives, oil and spices. Carefully inspect the packaging, it should indicate the assortment marks, expiration date, included components and date of manufacture. The natural product is preserved by integral elastic pieces.
Healthy Tuna Fish
Scientists from different countries have repeatedly conducted clinical studies, during which they determined the effect of fish on the human body. Almost all experts agreed that it prevents early aging of our body tuna. Properties of this kind are due to the rich content of proteins, fatty acids and hemoglobin. These substances activate brain activity, increase efficiency, normalize metabolic processes and significantly reduce the risk of heart attacks.
For a strong heart
For decades, medicine has publicly stated that tuna fish, whose beneficial properties can compete with many pharmaceuticals, is a natural medicine that successfully fights thrombophlebitis, cholecystitis and arrhythmia. It is indicated for use by people with weakened immune systems, inflammatory diseases and low hemoglobin levels. Regular use (once a week) will help keep the heart and circulatory system healthy.
Improving eyesight
The benefits and harms of tuna are scientifically unequal. It has long been proven that foods rich in omega-3 acids, especially saltwater fish, have a beneficial effect on the visual apparatus. Predator meat protects the retina from drying out, prevents glaucoma and macular degeneration.
Cancer prevention
The problem of oncology around the world is extremely relevant. It has been repeatedly proved that it destroys free radicals and toxins not only fresh fish, but also canned tuna. The benefits and harms of this product have been exciting humanity for many years. It turns out that in order to prevent the appearance of malignant tumors, it is necessary to visit gastronomic shops every week and buy delicious carcass or canned food. A tasty fish treat will help to avoid cancer of the breast, intestines, esophagus, stomach and oral cavity.
For the brain
Again, we return to the omega-3 acids vital for humans, which our body cannot synthesize on its own. Therefore, we must get them from food. Fats abound in this giant marine creature. From their deficiency, memory weakens, Alzheimer's disease, nervous diseases and other physical ailments develop.
That is why it is extremely important to feed yourself with polyunsaturated fats. The benefits and harms of tuna are time-tested. Clinical studies have confirmed that people who consume fish show better learning outcomes, they do not experience apathy, have good blood supply, and rarely have inflammatory effects.
Natural antidepressant
Melancholy and people with a tendency to depressive states can be advised not to be treated with chemicals, but a natural product - tuna. Consumption of sea fish will save you from negative emotions, cheer up, eliminate stress and stress. Omega-3 acids will improve blood flow, hormones and the immune system. Delicious therapy will have a positive effect on mental health.
Calorie content
The use of canned tuna is expressed in a small calorie content and abundance of fish oil, but only if the composition does not contain marinade and salt. There are 190 kcal per 100 g of product. This figure is significantly lower for fresh fillets. The percentage of minerals and vitamins is almost identical.
Harm
To the deep regret of fans of the marine delicacy, fish have flaws and contraindications. These include the presence of hazardous mercury. Tuna accumulates toxic metal through the skin and circulatory system. A large amount of substance can lead to dangerous consequences: provoke problems with hearing, vestibular apparatus, speech, memory.
This fish is forbidden to be consumed by women during the period of carrying a baby and feeding, as well as young children (up to 3 years) and people prone to allergies. An excess of harmful substances in fish can cause nervous diseases, intoxication, urolithiasis and gout. If laryngeal edema, red rashes, dizziness, runny nose or nasal congestion appeared during eating, this indicates that the product is toxic. Or you have a food allergy.
It is difficult to overestimate the valuable qualities of tuna, and in order not to harm health, it is necessary to observe the dosage. When buying fish or canned food, carefully monitor the quality and expiration date.