Rice imported from certain countries contains high levels of lead that could pose health risks, particularly for infants and children, who are especially sensitive to lead’s effects, and adults of Asian heritage who consume large amounts of rice, scientists said here today. Their research, which found some of the highest lead levels in baby food, was among almost 12,000 reports scheduled for the 245th National Meeting & Exposition of the American Chemical Society, the world’s largest scientific society.
Tsanangurayi Tongesayi, Ph.D., who headed the analysis of rice imported from Asia, Europe and South America, pointed out that imports account for only 7 percent of the rice consumed in the United States. With vast rice fields in Louisiana, California, Texas, Arkansas and Mississippi, the U.S. is a major producer and exporter of the grain. However, imports of rice and rice flour are increasing―by more than 200 percent since 1999―and rice is the staple food for 3 billion people worldwide, he added.
“Such findings present a situation that is particularly worrisome given that infants and children are especially vulnerable to the effects of lead poisoning,” Tongesayi said. “For infants and children, the daily exposure levels from eating the rice products analyzed in this study would be 30 to 60 times higher than the FDA’s provisional total tolerable intake (PTTI) levels. Asians consume more rice, and for these infants and children, exposures would be 60 to 120 times higher. For adults, the daily exposure levels were 20 to 40 times higher than the PTTI levels.”