FOOD SCIENCE ›› 2007, Vol. 28 ›› Issue (7): 434-437.
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CAI Qiu, LONG Mei-Li, ZHU Ming, ZHOU Qing-Zhen, DENG Yi-De, LI Ying, CAI Qing-Song, TIAN Ying-Jun
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Abstract: Purpose: Using a set up research area method, to study the concentration of cadmium (Cd) in cattle tissues samples under different pollution level area in Guizhou province, and the correlativity with the rear environment. Results: ① The polluted state of Cd element pollution in cattle tissue was very serious. The Cd mean concentration in kidney and liver around the difference level area, all were over the limit quantity of meat product sanitation standard. ② Guizhou earth surface medium had high cadmium concentration distribution character. The Cd mean concentration in soil samples were over the highest the limit quantity of the Soil Environment Quality Standard Class Ⅲ, around research areas. In middling polluted area and polluted area, there were the pollution of cadmium element in cattle feed. Especially the polluted area, the Cd concentration in cattle feed was 13.16 times of the limit quantity value of the standard. ③ The concentrations of cadmium element in cattle tissues were closely correlated to those in soil, feed and water to drink, especially kidney tissues, the correlation coefficients r > 0.92. Conclusion: The high cadmium concentration distribution character in Guizhou, and the Cd polluted of rear environment and cattle feed, are the important causes of high content of Cd in cattle tissues. It is ought begin our work with every link of the safety produce of beef products, to strengthen the study about rear environment quality management and pollution control technique, to control the transfer and accumulation of Cd from the rear environment to domestic body.
Key words: cattle tissue, cadmium, pollution, environment, correlativity
CAI Qiu, LONG Mei-Li, ZHU Ming, ZHOU Qing-Zhen, DENG Yi-De, LI Ying, CAI Qing-Song, TIAN Ying-Jun. Correlativity Study on Pollution of Cadmium Element in Cattle Tissues with Rear Environment in Guizhou[J]. FOOD SCIENCE, 2007, 28(7): 434-437.
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