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Table 11 Contents of metals in the aqueous extracts

From: Validation and measurement uncertainty evaluation of the ICP-OES method for the multi-elemental determination of essential and nonessential elements from medicinal plants and their aqueous extracts

 

Mg

Al

Cd

Cr

Cu

Fe

Pb

Mn

Ni

Zn

As

Chamomile

6,010 ± 110

115 ± 5.03

<0.43

2.20 ± 0.21

12.8 ± 0.80

45.5 ± 1.64

<0.33

49.0 ± 3.15

11.1 ± 1.10

70.0 ± 8.58

<1.00

Milfoil

1,060 ± 86.2

91.2 ± 6.22

<0.43

<2.00

27.0 ± 1.56

18.8 ± 1.10

<0.33

39.2 ± 3.24

7.15 ± 0.61

103 ± 7.12

<1.00

Rattle

2,220 ± 103

109 ± 4.10

<0.43

2.21 ± 0.22

64.1 ± 2.90

44.2 ± 1.30

<0.33

35.6 ± 2.27

2.70 ± 0.11

185 ± 10.1

<1.00

Brotherwort

4,600 ± 185

190 ± 8.85

<0.43

3.15 ± 0.30

76.2 ± 3.95

27.0 ± 1.81

0.66 ± 0.08

51.5 ± 4.03

18.2 ± 1.20

68.8 ± 5.22

<1.00

Pot marigold

7,800 ± 230

95.6 ± 5.22

<0.43

3.32 ± 0.34

70.0 ± 3.65

34.5 ± 2.16

0.53 ± 0.08

28.6 ± 2.05

9.58 ± 0.74

163 ± 6.96

<1.00

Linden

1,590 ± 81.6

53.9 ± 2.76

<0.43

<2.00

10.6 ± 0.96

22.2 ± 1.31

<0.33

25.9 ± 1.89

3.55 ± 0.24

29.3 ± 2.11

<1.00

Peppermint

5,650 ± 211

127 ± 3.05

<0.43

4.25 ± 0.39

70.7 ± 3.62

51.0 ± 3.10

0.83 ± 0.09

45.5 ± 2.63

6.21 ± 0.53

196 ± 11.2

<1.00

  1. Values are expressed as micrograms per liter (mean ± standard deviation of five replicates) per 1 g of plant extracted in 200 mL water.