, case of lack of A of vitamin of children of our country teenager is more severe, " Chinese dweller nutrition and healthy state investigation " show, our country 3—12 year old lack of children vitamin A is led (the content of A of vitamin of serum of every 100 milliliter under 20 microgramme) for 9.3 ％ , the city is 3 ％ , the country is 11.2 ％ . What special need takes seriously is rate of lack of brim of children vitamin A (the content of A of vitamin of serum of every 100 milliliter comes in 20 microgramme between 30 microgramme) very tall, the whole nation achieves 45.1 ％ on average, among them the city is 29 ％ , the country is 49.6 ％ . This means our country children of every 3 cities, or the brim lack that there is to produce vitamin A in children of every two countries.

Nutrition of center of control of Chinese disease precaution and Di Fengying of researcher of food safety place say, this must cause the attention of our height, the nutrient state to children growth because of vitamin A growth is very significant, it can enhance the immune power of airframe, be opposite especially the growth of skin mucous membrane and children eye is very significant. If lack vitamin A for a long time, the immune force of human body can be reduced, easy infection, cold, to the child's growth development and its daily nutriment are absorbed can have very big effect.

The newest research of lab of nutrition of academy of medical sciences of Chinese military affairs shows, brim of A of vitamin of children of can effective prophylaxis and treatment lacks the aggrandizement edible oil that added vitamin A. Study task group to wait for 4 cities in Beijing, Shenyang, Wuhan, Hefei, adopt by a definite date to children of 698 school age the nutrition of 5 months intervenes observation considers to discover, edible of aggrandizement of successive edible nutrition is oily the children of 5 months, immune globulin LgA and content of serum complement C3 are apparently elevatory, more than 10 kinds of the cough with common children, cold, diarrhoea, bronchitic, parotitis occurence rate that influence sexual disease reduce 64.2 ％ by 74.7 ％ , the disease is average duration also shortens apparently. Make clear from this, oil of edible nutrition aggrandizement can improve the immune function of children effectively.

In addition, use a more person at ordinary times, if often use the person that computer works, the need capacity to vitamin A is more than average person. Fan Zhigong of associate professor of college of food of Chinese agriculture college says, eat greenery vegetable, milk products at ordinary times little, especially food not the rule, office worker that treats computer all the day, lack vitamin A the most easily, often eat oil of nutrient aggrandizement edible to be able to reduce the dry sense of the eye, still can increase pair of strength that contract sexual disease.

Need not fear vitamin A absorbs excessive

So, can oil of aggrandizement of daily edible nutrition bring about vitamin A to absorb excessive? The expert expresses, such concern can need not.
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