Food

Year

Heavy metals concentrations (Means or ranging) in mgkg^-1 or µg g^-1

Cu

As

Hg

Fe

Mg

Mn

Se

Ni

U

Al

Co

Pb

Cd

Cr

Zn

Sb

Amaranthus

2013

21.9

-

-

-

-

-

-

-

-

-

1.2

1.72

1.2

-

101.33

-

2015

45-516

-

-

622.7

22513.3

-

-

3.78

0.44

7326.7

68.5

7.71

3.66

10.01

426.3

-

2020

16.11

0.1

0.1

-

-

-

-

12.3

-

-

1.73

8.91

1.62

2.97

652.91

-

2021a

7.4-11.3

1.7

0.2

-

-

-

-

-

-

-

1.5

18.3

1.5

3.6

348.2

-

2021b

139

-

-

-

-

15.8-2606

-

2.2-119

0.1-3.2

-

21-2624

1.3-354

0.42

-

8.3-482

-

Spinach

2013

24.3

-

-

-

-

14.14

-

-

-

-

1.49

0.72

1.49

-

94.24

-

Cabbage

2017

3.8

3.33

ND

-

-

5.34

0.64

-

-

52.1

-

2.14

2.93

3.07

27.93

-

Beans

2017

3.3

1.62

ND

-

-

-

0.18

-

-

22.56

-

1.98

1.13

1.63

19.05

-

Manihot

2015

52.1

-

-

245.13

4902.7

-

-

0

0.2

7128.7

33.46

4.07

0.835

4.58

383.26

-

Psidium

2015

102.9

-

-

457.33

5789.7

-

-

6.39

0.33

5823

35.19

5.074

0.09

3.48

321.13

-

Ledermaniella

2020

5.5-78.4

0.08-0.15

0.02-0.07

-

-

-

-

0.1-0.6

-

-

-

0.4-2.07

0.2-0.48

0.4-0.74

336-596.7

-

Fish/Atlantic

2018

0.02-0.5

-

1.21

-

-

-

1.05

4.25

-

-

-

0.09

0.59

1.00

29.9

0.09

Oysters

2019

4.2-37.2

-

0.2

457.3

-

1.87

1.89

0

-

-

0.52

0.08

0.03

0.12

46.36

0.0-0.01

Shrimp

2019

16-60.5

-

0.05-0.26

14.3-95

-

1.1-3.6

0.6-2.5

0.06

-

-

0.04

0.2-0.18

0.03-0.13

.03-0.08

47-55.9

< LD-0.01

Fish/market

2017

6.53

3.48

1.53

-

-

10.51

0.12

-

-

9.1

-

0.39

0.64

0.37

14.17

-

Beef

2017

0.69

1.62

ND

-

-

7.18

0.29

-

-

11.93

-

0.16

0.16

0.58

5.47

-

Fishes/Congo River

2019

0.09-2.7

-

0-0.72

-

-

-

0.12-1.5

-

-

-

-

0.2-4.96

0.01-0.05

0-1.21

2.8-59.72

-

Permisible level mg/kg

73^*

30^e

1.00^**

0.001^***

1^b

425

500^*

70^d

0.36^*****

12-71^**

50^****

0.3^*

0.5^g

0.2^h

0.2^*

1^b

0.1ⁱ

1.3^*

12^c

99.4^*

50^f