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containing cadmium easy 2014.03.28

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Recently, the country frequently exposed the " cadmium rice " incident , the Chinese people for food produced cadmium concerns . How should alleviate food cadmium on the human body ? In addition to rice, as well as which foods may be rich in cadmium it?
 1 Which foods containing cadmium easy ?
 A: Cadmium is an element of nature , the general food could be detected cadmium content of 0.004 to 5 mg / kg. High cadmium content foods include: ( 1 ) aquatic products. Fish and shellfish can be enriched cadmium from the surrounding water , the concentration of the body thousands of times higher than water . ( 2 ) Animal kidneys. The kidney is the major site of accumulation of cadmium content above the muscle part . ( 3 ) rice and other plants. If the rice growing environment is cadmium pollution , enriched rice cadmium may cause excessive levels of cadmium . 2 is not all aquaculture are easy to cadmium ? For example, shellfish , fish, water chestnuts , lotus root , etc. ?
 A : You can not generalize. Crabs , oysters, conch and other aquatic animal foods contain high levels of cadmium easy , especially shellfish . However, water chestnuts , lotus root and other plant foods is not necessarily high cadmium content . Because cadmium is generally concentrated in the most productive parts of the plant growth , plant different varieties of the same class , the different parts of the same plant , cadmium enrichment will have a big difference .
3 What methods can remove cadmium, such as washing , etc. ?
Answer: can not . Because the crops through root absorption of cadmium and in vivo enriched by washing , processing, cooking etc can not get rid of cadmium.
 4 how to eat rice can reduce cadmium harm ?
A: First of all, we should know that people daily intake of cadmium from food only 1 % to 5% is absorbed from the gastrointestinal tract , so eating cadmium contaminated rice is just one of the body's intake of cadmium may be , to a large number of long-term consumption was can cause chronic poisoning , consumers do not have too much panic. Note : ( 1 ) Do not eat the same brand and the same time the origin of rice, rice varieties and often transform origin, try to choose a good ecological environment of rice from the region , to avoid the possible risk of cadmium contamination . ( 2 ) proper nutrition , a balanced diet, food variety, especially staple food should be diversified to reduce dependence on rice . ( 3 ) ensure adequate intake of zinc, calcium , iron, vitamin D, vitamin C and other nutrients, can reduce the body's absorption of cadmium. ( 4 ) to quit smoking , less passive smoking because tobacco is also enriched cadmium , cadmium absorption efficiency of the respiratory tract 6 times.
5 How to reduce heavy metals in the food chain to humans harm ?
 A: Without food aid containing heavy metals detection equipment , the naked eye can not recognize . For individuals, to ensure that food diversification , quit smoking , less polluted area to circumvent the measures are good . Heavy metals in the food chain to reduce the harm to the human body , to protect the most fundamental way to resolve or industrial pollution control and environment. Government departments should strengthen environmental management and protection of investment and execution ; consumers need to understand is that protecting the environment is to ensure food safety , from ourselves , from scratch ( if not thrown away cadmium batteries ) , care for the environment around .

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