Table 1 Total mercury (THg) and methylmercury (MeHg) concentration in the underground and aboveground parts of Houttuynia cordata Thunb. (HCT).

From: Mercury accumulation in vegetable Houttuynia cordata Thunb. from two different geological areas in southwest China and implications for human consumption

Items

Study areas

Underground part, μg/kg

Aboveground part, μg/kg

Range (DW)

AM ± SD (DW)

Range (FW)

AM ± SD (FW)

Range (DW)

AM ± SD (DW)

Range (FW)

AM ± SD (FW)

THg

DZ

71–272

127 ± 61

15–56

26 ± 13

138–541

246 ± 116

21–83

38 ± 18

ZJ

19–83

33 ± 20

4–17

7 ± 4

25–52

36 ± 7

4–8

7 ± 1

MeHg

DZ

0.45–3.49

1.59 ± 1.01

0.09–0.72

0.33 ± 0.21

0.30–1.39

0.62 ± 0.36

0.05–0.21

0.10 ± 0.06

ZJ

0.33- 0.68

0.45 ± 0.11

0.05–0.11

0.07 ± 0.02

0.16–0.53

0.30 ± 0.10

0.02–0.08

0.05 ± 0.02

  1. AM Arithmetic mean, SD standard deviation. DW dry weight basis, FW fresh weight basis.
Back to article page