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

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

Category	Mean (µg/kg)			Daily intake (µg)			Daily intake (µg per kg body weight)
Category	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