Table 4 Results of interday and intraday precision (RSD %) and accuracy (RE %) for different boswellic acids

8.0

7.90 ± 0.10

8.04 ± 0.15

1.26

1.86

−1.25

0.50

25.0

24.90 ± 0.60

26.43 ± 0.66

2.40

2.49

−1.25

5.72

100.00

99.60 ± 2.88

100.35 ± 2.84

2.89

2.83

−0.40

0.35

8.0

7.96 ± 0.20

8.21 ± 0.20

2.51

2.43

−0.50

2.62

25.0

25.08 ± 0.32

26.50 ± 0.74

1.27

2.79

0.32

6.00

100.00

99.70 ± 2.84

100.61 ± 2.97

2.84

2.95

−0.30

0.61

8.0

8.09 ± 0.10

8.02 ± 0.24

1.23

2.99

1.12

0.25

25.0

25.05 ± 0.66

26.61 ± 0.80

2.63

3.00

0.20

6.44

100.00

97.90 ± 2.96

100.94 ± 2.94

3.02

2.91

−2.1

0.94

8.0

8.03 ± 0.10

7.96 ± 0.11

1.24

1.38

0.37

−0.5

25.0

25.06 ± 0.13

24.89 ± 0.24

0.51

0.96

0.24

−0.44

100.00

100.21 ± 0.70

99.83 ± 0.76

0.69

0.76

0.21

−0.17

8.0

7.98 ± 0.16

7.92 ± 0.16

2.0

2.02

−0.25

−1.00

25.0

26.29 ± 0.64

25.43 ± 0.61

2.43

2.39

5.16

1.72

100.00

99.52 ± 2.80

100.63 ± 2.52

2.81

2.50

−0.48

0.63

8.0

7.85 ± 0.07

7.82 ± 0.11

0.89

1.40

−1.87

−2.25

25.0

24.73 ± 0.22

25.61 ± 0.66

0.88

2.57

−1.08

2.44

100.00

98.89 ± 0.90

100.41 ± 1.67

0.91

1.66

−1.11

0.41

8.0

7.94 ± 0.10

7.96 ± 0.22

1.25

2.76

−0.75

−0.5

25.0

24.88 ± 0.72

25.31 ± 0.40

2.89

1.58

−0.48

1.24

100.00

100.13 ± 1.93

97.63 ± 2.88

1.92

2.94

0.30

−2.37

8.0

8.03 ± 0.18

8.09 ± 0.24

2.24

2.96

0.37

1.12

25.0

25.81 ± 0.60

25.68 ± 0.62

2.32

2.41

3.24

2.72

100.00

100.18 ± 2.53

99.37 ± 2.69

2.52

2.70

0.18

−0.63