Element

Maximum level/mg/kg

(FAO/WHO CODEX Alimentarius)

Rice variety

Suwadel

(White)

Kaluheenati

(Brown)

Pachchaperuman

(Brown)

Madathawalu

(Brown)

As

0.2

0.085 ± 0.02

0.13 ± 0.10

0.12 ± 0.05

0.07

Cd

0.4

0.14 ± 0.08

0.07 ± 0.01

ND < 0.06

ND < 0.06

Pb

0.2

ND < 0.07

3.47

ND < 0.07

ND < 0.07

Hg

0.1

ND < 0.05

ND < 0.05

ND < 0.05

ND < 0.05

Cr

-

ND < 0.07

0.11

ND < 0.07

0.37 + 0.37

Ni

-

ND < 0.08

ND < 0.08

ND < 0.08

ND < 0.08

Zn

-

15.51 ± 3.72

18.91 ± 4.96

17.39 ± 3.40

18.05 ± 3.90

Fe

-

6.28 ± 5.87

10.93 ± 7.88

14.89 ± 9.99

9.91 ± 5.24

Se

0.3

0.11 ± 0.05

0.15 ± 0.12

ND < 0.09

0.09 ± 0.01

Cu

-

2.28 ± 0.51

3.00 ± 1.28

2.45 ± 0.36

2.31 ± 0.29

Mn

-

16.37 ± 5.29

21.10 ± 4.90

24.01 ± 3.02

22.35 ± 4.81

Mo

-

0.69 ± 0.18

0.82 ± 0.33

0.54 ± 0.34

0.48 ± 0.04

Co

-

0.11

0.07 ± 0.01

0.09 ± 0.03

0.08 ± 0.02