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Table 3 Heavy metal concentration (mg/kg dry weight) in vegetables grown in and around Hazaribag tannery industrial region, Dhaka, Bangladesh

From: Contamination status and health risk assessment of trace elements in foodstuffs collected from the Buriganga River embankments, Dhaka, Bangladesh

Elements

Stem Amaranth (n = 13)

Radish (n = 10)

Spinach (n = 8)

Safe limita

WAV*

Cu

8.12 (4.40-14.38)

4.02 (3.58-4.32)

5.64 (3.58-6.72)

73

5-30

Co

1.44 (0.45-3.16)

0.53 (0.36-0.65)

1.36 (0.96-1.66)

50

0.02-1

Fe

1375 (192–3489)

305 (180–381)

1186 (904–1345)

425

-

Zn

24.34 (0–44.53)

13.57 (7.43-23.21)

78.34 (44.66-98.53)

100

27-150

Mn

29.57 (0–80.15)

<0.63 (86–299)

211.56

500

30-300

  1. n: number of samples.
  2. asafe limit (joint FAO/WHO food standard programme [2001]).
  3. *WAV = World Average Value (Pendias [2000]).
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Food Safety and Risk

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