Table 2 The level of metals in some canned food (mg/kg).

From: Investigation of heavy metal levels in canned tomato paste, olives, and pickled

Type of metals

Canned pickled cucumbers

Canned tomato paste

Canned olives

Lead

0.22 ± 0.08

0.19 ± 0.07

0.19 ± 0.04

Copper

ND

0.16 ± 0.1

ND

Arsenic

ND

0.0005 ± 0.0004

ND

Iron

ND

0.48 ± 0.4

ND

Tin

0.11 ± 0.05

0.4 ± 0.2

0.32 ± 0.17

Zinc

ND

0.0071 ± 0.007

ND

Mercury

ND

ND

ND

Cadmium

ND

0.008 ± 0.005

0.005 ± 0.001

  1. ND: none detected.