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Table 1 Removal rate (%) of carotenoids in tomato extracts using various d-SPE sorbents

From: Simultaneous determination of sulfonylurea herbicides in tomatoes using the QuEChERS method coupled with HPLC

Removal rate (%)

C18

Z-Sep+

GCB

C18 + Z-Sep+

C18 + GCB

10

50

100

200

300

10

50

100

200

300

1

2

5

10

20

100 + 100

200 + 3.5

mg

mg

mg

mg

mg

28.3 ± 3.2

45.1 ± 1.7

71.2 ± 2.2

82.2 ± 2.1

88.1 ± 0.5

17.9 ± 1.3

35.2 ± 3.5

51.9 ± 5.7

64.2 ± 1.3

73.0 ± 0.3

25.2 ± 1.0

33.9 ± 2.5

63.5 ± 2.2

85.2 ± 1.2

98.1 ± 0.1

78.5 ± 3.2

87.7 ± 0.8