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Tuesday, August 14, 2012
Friday, June 18, 2004
Free radicals -- 1
It is fashionable now to blame free radicals for all deadly sins, since it has been proved that their formation in the organism is connected with different illnesses and aging. On the one hand, it is true: the radicals act as "terrorists" and can harm a sensitive biochemical system through oxidizing lipids, damaging membranes, and destroying DNA and proteins
It is common knowledge that radiation and salts of cadmium cause the formation of free radicals and their mutagenic activity is based on this effect. Garlic extract captures these free radicals and the researchers believe that the protective effect of garlic in this case is connected exactly with this property.
The garlic extract protects our DNA from damages and in addition the reparation of what it could not save proceeds much faster than in normal conditions. Taking into consideration the possible level of pollution not only in big cities but also in places situated far from the civilization garlic should be treated with much more respect.
Free radicals, including active forms of oxygen, which easily oxidize proteins, lipids and other biologically important molecules. Free radical reactions are self-regulated: they speed up in case of a stress or an infection.Highly reactive forms of oxygen are continuously produced in the organism .
Scientist Voeikov and his colleagues believe that it is necessary to revise the general opinion about antioxidants, which are considered now as a remedy for all diseases. They are undoubtedly helpful in cases of some illnesses, though in dozes modulating oxidation processes, but not suppressing them completely. Otherwise, metabolism will be just brought to a halt.
It is common knowledge that radiation and salts of cadmium cause the formation of free radicals and their mutagenic activity is based on this effect. Garlic extract captures these free radicals and the researchers believe that the protective effect of garlic in this case is connected exactly with this property.
The garlic extract protects our DNA from damages and in addition the reparation of what it could not save proceeds much faster than in normal conditions. Taking into consideration the possible level of pollution not only in big cities but also in places situated far from the civilization garlic should be treated with much more respect.
Free radicals, including active forms of oxygen, which easily oxidize proteins, lipids and other biologically important molecules. Free radical reactions are self-regulated: they speed up in case of a stress or an infection.Highly reactive forms of oxygen are continuously produced in the organism .
Scientist Voeikov and his colleagues believe that it is necessary to revise the general opinion about antioxidants, which are considered now as a remedy for all diseases. They are undoubtedly helpful in cases of some illnesses, though in dozes modulating oxidation processes, but not suppressing them completely. Otherwise, metabolism will be just brought to a halt.
Free radicals
About free radicals -
What such free radicals, why they do appear and as with them it did fight? (a little about the biochemistry). Free radicals - this of molecule with the unpaired electron. They are very unstable, since molecules acquire positive charge and very easily they enter in the chemical reactions. All accustomed it considered that free radicals this is always bad. We simply not can without them there existed in fact! In the process of the vital activity of healthy organism the free radicals must it was formed: they participate in the immune protection, in the synthesis of the sexual hormones and other biologically active materials, they are the intermediate product of many important biochemical reactions. Harmful and aggressive free radicals become under the action of unfavorable events - infections, intoxication, ultraviolet radiation and even dull cold. The number of free radicals begins it grew in the geometric progression, they enter in interaction with the proteins, the lipids, the molecules OF DNA, they damage their molecular structure, then destroy or convert in themselves similar. Process continues as chain reaction. This chain reaction can it damaged millions of molecules for the fraction of a second, that it is ruinously reflected on our organism.
What such free radicals, why they do appear and as with them it did fight? (a little about the biochemistry). Free radicals - this of molecule with the unpaired electron. They are very unstable, since molecules acquire positive charge and very easily they enter in the chemical reactions. All accustomed it considered that free radicals this is always bad. We simply not can without them there existed in fact! In the process of the vital activity of healthy organism the free radicals must it was formed: they participate in the immune protection, in the synthesis of the sexual hormones and other biologically active materials, they are the intermediate product of many important biochemical reactions. Harmful and aggressive free radicals become under the action of unfavorable events - infections, intoxication, ultraviolet radiation and even dull cold. The number of free radicals begins it grew in the geometric progression, they enter in interaction with the proteins, the lipids, the molecules OF DNA, they damage their molecular structure, then destroy or convert in themselves similar. Process continues as chain reaction. This chain reaction can it damaged millions of molecules for the fraction of a second, that it is ruinously reflected on our organism.
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