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Nutrition - The Consumption of Vitamin a for a Good Vision
Each one of the vitamins that exist have very specific functions in the organism and this why it is needed to take them in the daily diet to avoid deficiencies. Up to now there isn’t news about any food that contributes with all the vitamins, that is only achieved through the properties of vitamin A.
Vitamin A forms an important part of the visual pigments which are in charged of keeping an adequate vision, a deficiency of it in the organism can cause a night blindness up to the loss of the vision. Also it participates in the growth, an a low concentration can have consequences in the development of the child, or cause infections of the respiratory system and gastrointestinal ways.
Vitamin A is found in products of animal origin, the carotenoids found in fruits and vegetables, among the food that contributes more quantity of vitamin is liver, carrot, spinach, peaches, milk, broccoli, egg, cheese, pear, butter, orange, apple and others.
So these food contribute a greater quantity of vitamin A it is important to know that the cooking should be light, so this way the carotenoids favour a better absorption. This also happens with retinol found in eggs, liver and milk.
When the food rich in carotenes and retinal are fried, these properties go to the half of fat cooking because they are soluble in fat and it is not worthy to eat them because in the oil they lost all of their beneficial properties for the organism. The same happens with the cooking of carrots, broccoli and spinach.
From MedioCom