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Table 2 Daily intake of Se, Cd and As from improved rice types and native rice varieties

From: Trace elements in native and improved paddy rice from different climatic regions of Sri Lanka: implications for public health

Category Mean (µg/kg) Daily intake (µg) Daily intake (µg per kg body weight)
Se Cd As Se Cd As Se Cd As
Wet zone 30 128 48 8.5 36.3 13.9 0.14 0.60 0.23
Intermediate zone 24 54 38 6.8 15.3 10.9 0.11 0.25 0.18
Dry zone 44 68 41 12.5 19.2 11.8 0.21 0.32 0.20
Native rice 69 33 74 19.5 9.47 21.2 0.32 0.16 0.35
Sri Lanka 33 85 43 9.31 24.1 12.2 0.16 0.40 0.20
  1. Daily rice consumption (kg) 0.284 (after Fordyce et al. 2000)
  2. Average body weight of adult: 60 kg