Behind cadmium rice is actually the problem of water pollution.

Caused by heavy metals, especially cadmium poisoning, which can lead to bone softening, osteoporosis and kidney failure. The cadmium standard set by China for rice is 0.2 mg/kg. If in accordance with WHO standards, cadmium content of 0.2 mg / kg of rice can be eaten 250 grams per day, even if the body is eaten year-round is not yet harmed.

Harm of cadmium rice

Cadmium is a heavy metal that is difficult to metabolize in the human body, long-term accumulation of cadmium can cause severe renal insufficiency in the body, manifested as a decrease in glomerular filtration, and accompanied by osteoporosis symptoms. 1960s, Japan appeared to be due to the ingestion of cadmium-contaminated water sources, causing In the 1960s, there was an outbreak of "pain pain disease" in Japan caused by the ingestion of cadmium-contaminated water, which was characterized by pain in the limbs, easy fracture, abdominal distension and indigestion.

In May 2013, the Guangdong Provincial Food and Drug Administration sampling of rice from Hunan, a major rice province, found that samples of cadmium exceeded the standard, triggering the "cadmium rice crisis" that year. On June 1 of the same year, the State Council launched the annual health sector research special "rice cadmium health guardianship countermeasures and foodborne disease traceability technology research", the project led by the National Center for Food Safety Risk Assessment.

Guangdong, Beijing, Hunan, Jiangxi, Henan, Jiangsu, Shanghai and other seven provinces and cities of the CDC jointly with Sichuan University and the Chinese Academy of Sciences Computer Network Information Center **** with the participation of the project has passed acceptance.