Abstract
Life of modern people in urban conditions is characterized by lack of movement, which is main condition for maintenance of health, presence of large amount of additives and pesticide residua in food of plant and animal origin and polluted air and water. If the presence of oxidative stress is added as part of normal metabolism occurring during degradation of nutritive substances, when great quantity of free radicals is released, which organism in these conditions often is not capable of neutralizing, the homeostatic mechanisms are disturbed and this leads to health disturbances and even severe illnesses. In such complex living conditions, science is facing the challenge of finding out the way to prevent diseases and slow the aging process using food, primarily basic food stuffs - milk and meat, enriching them with certain substances which are of vital importance to our health. One of the ways is use of functional food which should contain not only its main nutritive value but also such ingredients which have impact on improvement of general health condition, i.e. they have preventive and therapy effect. In this paper, a review of the significance of omega-3 fatty acids in human nutrition is presented. As essential substances they cannot be synthesized in the organism, but have to be introduced through diet. Also, the significance of some essential omega-6 fatty acids as well as their mutual relation, are presented. The role of omega-3 fatty acids in animal nutrition is also pointed out in this paper, introduced or consumed by animals either by grazing or as diet supplement, which influence improvement of their production, reproduction and health performances.
Highlights
Modern way of life sets new demands in the field of human life style especially nutrition, in all its segments, from number of meals, type of food we use and especially its quality.The term “functional food” includes those food stuffs which beside their basic main nutritive value, contain non-essential substances with potential positive effects on body and mental health.More precisely, this food should consist of functional food nutrients with certain specific properties, they are main part of every day nutrition and exclusively of natural origin, i.e. they cannot consist of tablets, capsules, solutions, powders, etc
If the presence of oxidative stress is added as part of normal metabolism occurring during degradation of nutritive substances, when great quantity of free radicals is released, which organism in these conditions often is not capable of neutralizing, the homeostatic mechanisms are disturbed and this leads to health disturbances and even severe illnesses. In such complex living conditions, science is facing the challenge of finding out the way to prevent diseases and slow the aging process using food, primarily basic food stuffs – milk and meat, enriching them with certain substances which are of vital importance to our health
This food should consist of functional food nutrients with certain specific properties, they are main part of every day nutrition and exclusively of natural origin, i.e. they cannot consist of tablets, capsules, solutions, powders, etc
Summary
Modern way of life sets new demands in the field of human life style especially nutrition, in all its segments, from number of meals, type of food we use and especially its quality.The term “functional food” includes those food stuffs which beside their basic main nutritive value, contain non-essential substances with potential positive effects on body and mental health.More precisely, this food should consist of functional food nutrients with certain specific properties, they are main part of every day nutrition and exclusively of natural origin, i.e. they cannot consist of tablets, capsules, solutions, powders, etc. The role of omega-3 fatty acids in animal nutrition is pointed out in this paper, introduced or consumed by animals either by grazing or as diet supplement, which influence improvement of their production, reproduction and health performances.
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