Solvent

No

Extraction yield (%)

RE (%)

RSD (%)

Solvent

No

Extraction yield (%)

RE (%)

RSD (%)

Ethyl acetate

1

90

4.0

0.7

Chlorform

1

80

2.4

1.0

2

86

−0.5

0.1

2

81

3.7

1.5

3

83

−4.0

0.7

3

76

−2.7

1.0

4

88

1.7

0.3

4

77

−1.4

0.6

5

85

−1.7

0.3

5

77

−1.4

0.6

6

87

0.5

0.1

6

78

−0.1

0.1