Cadmium (Cd) and lead (Pb) 284 Food can be contaminated by Cd primarily through the terrestrial pathways and the edible 285 plants are considered the predominant source of dietary Cd for humans.In Vietnam, 93- 304 97% of dietary cadmium is mainly coming from the consumption of rice.Several surveys were conducted in 291 different countries and reported that Cd concentrations in rice was in the range of