Zinc - all the known microcell which contains in our organism in small dozyakh. Nevertheless zinc is very important for normal work of an organism, and its deficiency can cause a set of consequences. Certain food can become a source of zinc.
Why does the ogranizm of the person need zinc?
Zinc is necessary for an organism for:
- Maintenance of steady immunity;
- Productions of proteins and DNA;
- Growth and development (in infancy and pregnancy);
- Healing of wounds;
- Sense of smell and taste.
The products containing zinc in a large number
Many zinc contains in the basic in animal products, but also can be found in nekotorykhfrukta and vegetables. Still the best sources of zinc are oysters. Also are rich with zinc:
- Liver of a calf;
- Peanut;
- Pumpkin sunflower seeds;
- Sesame;
- Meat of a young calf;
- Pork;
- Chocolate;
- Buckwheat;
The table of the products containing zinc in a large number
Deficiency of zinc in a human body and its symptoms
The deficiency of zinc is a common problem in developing countries and is responsible for death of many children because of weakened by the immune system leading to infections and diarrheas. In the developed countries deficiency of zinc to meet seldom because the diet of people is much more various.
Deficiency symptoms of zinc include: violation of immunity, slow growth and puberty at children, small appetite, mental health problems, defeats on skin or in eyes.
Most of people has no deficiency of zinc if eats enough meat.
It is considered that vegetarians risk to receive less the necessary amount of zinc. If you don't eat some meat, make sure that you eat enough nuts and sunflower seeds from which you receive enough this mineral.
The daily need for zinc for a human body
The recommended daily amount of zinc depends on age and sex of the person. Daily requirements are expressed in milligrams:
0–3 years: 3 mg; 4–8 years: 5 mg; 9–13 years: 8 mg; 14–18 years (boys): 11 mg; 14–18 years (girl): 9 mg; Adult men: 11 mg; Adult women: 8 mg; Pregnant women: 11 mg.
Adults can use up to 40 mg without negative consequences, but it should be noted that high consumption of zinc reduces digestion of copper and iron.
Zinc for immunity and against cold
Zinc is one of the most important nutritive matters for immune function. People who have deficiency of this mineral are in danger for pneumonia and other infections.
Taking a pill of zinc or the food rich with zinc it is possible to reduce cold duration.
Zinc for potency
The reason why oysters became known as stimulant is the fact that they are very rich with zinc. Zinc plays an important role in health of genitals and production of hormones, for example, such as testosterone.
Zinc against diseases of eyes
Some researches showed that additive of zinc help to reduce risk of a degeneration of a yellow spot at diseases of eyes which occur in old age.