2024 Author: Jasmine Walkman | [email protected]. Last modified: 2023-12-16 08:29
Contrary to many people's expectations, fatty fish are most useful for the human body. This is due to the fact that they contain a higher percentage (about 5%) of unsaturated fatty acids, better known as Omega-3, which are able to reduce the risk of cardiovascular disease, heart attack, thrombosis, and blood pressure. pressure, etc.
The amount of Omega-3 fatty acids in fish depends on a number of circumstances, such as what time of year it is caught (before or after spawning), water temperature, etc. In addition, it is not always true that older fish, which is logically heavier, have a higher percentage of fat.
The group of "fatty" fish includes salmon, sea trout, carp, herring, mackerel and tuna. In general, species that are adapted to colder climates and grow in icy waters also contain more subcutaneous fat.
The culinary processing of these varieties is of great importance for preserving their nutritional qualities. When frying, unsaturated fatty acids are destroyed to a greater extent than when baking and cooking.
And during a long stay, these fats are oxidized, rancid and are a source of free radicals that have an adverse effect on the body. Therefore, for example, you will rarely see salmon that is cooked fried.
The shelf life of many small species of oily fish, such as sardines and anchovies, is extremely short - between 3 and 6 days. On the other hand, large species such as tuna and swordfish can withstand up to 24 days frozen. That is why sardines, mackerel and anchovies are stored in crushed ice and salt and delivered fresh.
People usually eat a lot of fat, but mainly from milk, meat, butter and too little fish. And its fat, unlike that of mammals, is rich in extremely important polyunsaturated fatty acids.
They give elasticity and flexibility to cell membranes and are a source of biologically active substances needed by many organs for their proper functioning.
Omega-3 acids soothe inflammation, dilate blood vessels, prevent the formation of blood clots. Therefore, they have a beneficial effect on cardiovascular, joint, skin and cancer diseases. In addition, they have a serious impact on the mental development of children.
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