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Table 2 Comparison of element concentrations (median, minimum and maximum values) in breast milk of Uppsala women (n = 60) 2000-2009 with Swedish women (n = 64) included in the WHO 1989 study[4]

From: Metals and trace element concentrations in breast milk of first time healthy mothers: a biological monitoring study

 

Uppsala 2000-2009

WHO 1989

 

Median

Min

Max

Median

Min

Max

Macroelements

      

Ca (mg/L)

307

196

416

235

187

324

K (mg/L)

636

549

729

548

397

711

Mg (mg/L)

28

21

43

34

20

60

Na (mg/L)

192

136

480

88

37

306

P (mg/L)

171

126

233

142

131

150

Microelements

      

Co (μg/L)

0.047

0.022

0.38

0.27

0.10

0.75

Cr (μg/L)

0.23

0.026

1.5

1.5

0.61

4.3

Cu (μg/L)

471

327

670

186

80

408

Fe (μg/L)

309

135

794

446

205

1049

Mn (μg/L)

2.6

0.79

8.4

3.2

1.5

26

Mo (μg/L)

2.4

0.80

12

0.40

0.00

5.9

Se (μg/L)

12

8.8

18

13

3.7

25

Zn (μg/L)

3524

1238

5710

700

270

1990

Toxic elements

      

As (μg/L)

0.33

0.041

4.6

0.55

0.37

5.5

Cd (μg/L)

0.075

0.028

0.27

0.10

0.1

3.8

Pb (μg/L)

1.2

0.74

6.4

17

9.6

37

Sb (μg/L)

0.031

0.018

0.15

3.0

0.3

23

V (μg/L)

0.039

0.015

0.56

0.13

0.05

0.16