| cadmium in locally grown rice (oryza sativa) in nigeria. | cadmium levels were determined in locally grown rice samples in nigeria and any potential risk involved in their consumption was assessed. the dried samples were digested with a 1:1 hno3:hclo4 mixture and analysed with atomic absorption spectrophotometer (aas). mean cadmium values (mg/kg) were: adamawa (0.50 ± 0.02), benue (0.63 ± 0.05), nasarawa (0.48 ± 0.10), taraba (0.48 ± 0.10), anambra (0.49 ± 0.09), ebonyi (0.60 ± 0.08) and enugu (0.59 ± 0.10). all samples exceeded the codex alimentarius m ... | 2013 | 24779937 |