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Table 4 Precision, stability, recovery, and repeatability data of 18 analytes in Zhuyeqing Liquor

From: Simultaneous quantification of major bioactive constituents from Zhuyeqing Liquor by HPLC-PDA

Analyte

Precision (n = 6)

Stability RSD (%)

Recovery (n = 6)

Repeatability (n = 6)

Concentrations

RSD (%)

Original (μg)

Spiked (μg)

Detected (μg)

Recovery (%)

RSD (%)

Average concentration (μg/mL)

RSD (%)

(mg/mL)

M1

1.08

0.92

1.70

164.16

162.26

326.57

100.17

3.10

16.0862 ± 0.2722

1.50

M2

2.80 × 10−2

0.82

1.52

7.11

4.20

11.41

102.44

1.84

0.5580 ± 0.0045

1.39

M3

1.70 × 10−3

1.30

1.66

0.27

0.26

0.52

97.40

2.52

0.1072 ± 0.0020

1.96

M4

1.55 × 10−2

0.78

1.08

5.88

2.33

8.23

100.88

2.27

0.5154 ± 0.0032

0.64

M5

3.63 × 10−1

0.87

1.62

1217.80

54.39

1273.19

101.83

3.30

101.1963 ± 0.7206

0.72

M6

5.25 × 10−2

0.86

1.58

6.00

7.88

14.15

103.44

1.68

0.1940 ± 0.0019

1.00

M7

1.26

0.49

1.18

1270.60

1260.30

2543.54

101.00

0.78

568.4991 ± 2.7722

0.98

M8

2.04 × 10−2

1.04

1.76

211.50

102.00

316.34

102.79

1.46

25.1942 ± 0.2548

1.45

M9

1.03 × 10−2

0.30

1.49

2.82

1.55

4.37

100.76

2.63

0.1947 ± 0.0018

1.00

M10

7.10 × 10−3

1.10

1.67

3.22

1.07

4.28

99.54

3.26

0.0728 ± 0.0011

1.61

M11

8.70 × 10−3

1.15

1.62

4.65

1.31

5.96

100.66

3.09

0.5101 ± 0.0057

1.28

M12

1.75 × 10−2

1.09

1.39

2.43

2.63

5.14

103.13

1.48

1.0800 ± 0.0155

1.44

M13

9.56 × 10−2

1.02

1.36

37.69

14.34

52.20

101.14

1.99

2.8911 ± 0.0351

1.21

M14

2.13 × 10−1

0.74

1.59

943.73

31.88

975.00

98.10

2.25

4.2790 ± 0.0314

1.30

M15

4.10 × 10−3

1.47

1.75

1.99

1.23

3.22

100.30

2.66

0.0645 ± 0.0009

1.53

M16

8.23 × 10−2

0.91

1.58

21.52

12.35

33.77

99.20

2.44

0.6444 ± 0.0052

0.81

M17

3.85 × 10−2

0.93

1.75

133.12

115.50

249.54

100.79

2.63

2.9457 ± 0.0498

1.36

M18

3.93 × 10−2

1.11

1.49

10.02

11.79

21.89

100.65

1.58

0.5368 ± 0.0060

1.13

  1. RSD refers to relative standard deviation. Samples in stability, recovery, and repeatability methods were taken from 45°Zhuyeqing Liquor (20130207).