Research progress on pollution of heavy metals mercury and its detection technology in food

Mercury is a kind of heavy metal ions which is very harmful to animals and plants. It could cause irreversible damage to human nervous system, kidney, liver and other tissues.Heavy metal mercury pollution in food and its source and harmfulness were briefly described in this paper.And then the limitation standard in China was compared with others, analysis technologies for the heavy metals in food were presented and discussed in order to provide reference for controlling, supervision or detection of mercury in food.