Table 2.
Calibration set | Validation set | |||||||
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Sample no. | Gentiopicroside content (%) | Swertiamarin content (%) | Sample no. | Gentiopicroside content (%) | Swertiamarin content (%) | Sample no. | Gentiopicroside content (%) | Swertiamarin content (%) |
1 | 1.59 | 0.12 | 70 | 4.53 | 1.17 | 1 | 1.92 | 0.12 |
2 | 2.09 | 0.25 | 71 | 4.55 | 0.21 | 2 | 2.10 | 0.16 |
3 | 2.18 | 0.17 | 72 | 4.60 | 0.14 | 3 | 2.35 | 0.28 |
4 | 2.32 | 0.13 | 73 | 4.61 | 0.92 | 4 | 2.51 | 0.29 |
5 | 2.37 | 0.19 | 74 | 4.63 | 0.83 | 5 | 2.52 | 0.14 |
6 | 2.39 | 0.16 | 75 | 4.70 | 0.78 | 6 | 2.55 | 0.18 |
7 | 2.59 | 0.22 | 76 | 4.74 | 0.18 | 7 | 2.64 | 0.29 |
8 | 2.61 | 0.23 | 77 | 4.82 | 0.24 | 8 | 2.76 | 0.22 |
9 | 2.77 | 0.62 | 78 | 4.83 | 0.29 | 9 | 2.99 | 0.24 |
10 | 2.79 | 0.34 | 79 | 4.91 | 0.86 | 10 | 3.12 | 0.25 |
11 | 2.85 | 0.26 | 80 | 4.93 | 1.16 | 11 | 3.15 | 0.24 |
12 | 2.88 | 0.31 | 81 | 4.95 | 1.02 | 12 | 3.22 | 0.27 |
13 | 2.89 | 0.23 | 82 | 5.10 | 1.36 | 13 | 3.23 | 0.29 |
14 | 2.90 | 0.32 | 83 | 5.16 | 1.00 | 14 | 3.23 | 1.24 |
15 | 2.93 | 0.29 | 84 | 5.16 | 0.29 | 15 | 3.33 | 0.18 |
16 | 2.95 | 0.28 | 85 | 5.16 | 1.18 | 16 | 3.43 | 0.32 |
17 | 3.06 | 0.14 | 86 | 5.18 | 1.01 | 17 | 3.53 | 0.25 |
18 | 3.09 | 0.22 | 87 | 5.19 | 0.51 | 18 | 3.80 | 0.22 |
19 | 3.13 | 1.10 | 88 | 5.23 | 0.22 | 19 | 3.81 | 0.38 |
20 | 3.15 | 0.29 | 89 | 5.26 | 1.24 | 20 | 3.83 | 0.24 |
21 | 3.15 | 0.27 | 90 | 5.26 | 0.29 | 21 | 3.92 | 0.36 |
22 | 3.22 | 0.87 | 91 | 5.31 | 1.32 | 22 | 3.92 | 0.31 |
23 | 3.22 | 0.24 | 92 | 5.36 | 1.11 | 23 | 3.94 | 0.91 |
24 | 3.26 | 0.24 | 93 | 5.38 | 0.37 | 24 | 3.95 | 0.20 |
25 | 3.28 | 0.80 | 94 | 5.42 | 1.35 | 25 | 3.96 | 0.42 |
26 | 3.33 | 0.92 | 95 | 5.49 | 1.51 | 26 | 3.97 | 0.94 |
27 | 3.33 | 0.20 | 96 | 5.54 | 0.29 | 27 | 4.17 | 0.29 |
28 | 3.34 | 0.35 | 97 | 5.58 | 0.29 | 28 | 4.23 | 0.29 |
29 | 3.36 | 0.26 | 98 | 5.61 | 1.08 | 29 | 4.28 | 0.45 |
30 | 3.37 | 0.37 | 99 | 5.64 | 1.38 | 30 | 4.40 | 0.23 |
31 | 3.38 | 0.24 | 100 | 5.66 | 2.15 | 31 | 4.48 | 0.81 |
32 | 3.42 | 0.28 | 101 | 5.68 | 1.28 | 32 | 4.48 | 0.35 |
33 | 3.51 | 0.32 | 102 | 5.70 | 0.19 | 33 | 4.52 | 1.09 |
34 | 3.55 | 0.78 | 103 | 5.72 | 1.09 | 34 | 4.56 | 0.27 |
35 | 3.56 | 1.00 | 104 | 5.74 | 0.93 | 35 | 4.61 | 0.89 |
36 | 3.56 | 0.25 | 105 | 5.80 | 0.20 | 36 | 4.61 | 0.19 |
37 | 3.57 | 0.25 | 106 | 5.85 | 1.42 | 37 | 4.67 | 1.32 |
38 | 3.59 | 0.35 | 107 | 5.85 | 1.47 | 38 | 4.70 | 0.67 |
39 | 3.61 | 0.23 | 108 | 5.91 | 1.04 | 39 | 4.71 | 0.78 |
40 | 3.65 | 0.78 | 109 | 5.98 | 0.59 | 40 | 4.71 | 0.52 |
41 | 3.65 | 0.27 | 110 | 6.07 | 0.18 | 41 | 4.74 | 1.01 |
42 | 3.67 | 0.90 | 111 | 6.09 | 1.32 | 42 | 4.76 | 1.10 |
43 | 3.72 | 0.34 | 112 | 6.14 | 0.20 | 43 | 4.81 | 0.26 |
44 | 3.73 | 0.15 | 113 | 6.15 | 1.35 | 44 | 4.87 | 1.13 |
45 | 3.76 | 0.96 | 114 | 6.24 | 0.19 | 45 | 4.99 | 0.98 |
46 | 3.79 | 0.29 | 115 | 6.24 | 0.27 | 46 | 5.14 | 0.84 |
47 | 3.79 | 0.22 | 116 | 6.25 | 1.54 | 47 | 5.28 | 1.37 |
48 | 3.80 | 1.11 | 117 | 6.35 | 1.21 | 48 | 5.29 | 1.02 |
49 | 3.81 | 0.40 | 118 | 6.40 | 1.40 | 49 | 5.48 | 0.92 |
50 | 3.82 | 0.24 | 119 | 6.45 | 1.26 | 50 | 5.50 | 1.28 |
51 | 3.84 | 0.26 | 120 | 6.50 | 1.44 | 51 | 5.69 | 1.21 |
52 | 3.94 | 1.09 | 121 | 6.59 | 1.43 | 52 | 5.75 | 1.08 |
53 | 3.95 | 0.60 | 122 | 6.61 | 1.05 | 53 | 5.86 | 1.30 |
54 | 3.99 | 1.37 | 123 | 6.63 | 1.34 | 54 | 6.41 | 1.38 |
55 | 4.01 | 0.44 | 124 | 6.68 | 1.47 | 55 | 6.48 | 1.42 |
56 | 4.04 | 0.27 | 125 | 6.87 | 1.61 | 56 | 6.52 | 0.29 |
57 | 4.19 | 0.44 | 126 | 7.18 | 1.54 | 57 | 6.55 | 0.20 |
58 | 4.23 | 0.33 | 127 | 7.21 | 1.28 | 58 | 6.57 | 1.55 |
59 | 4.26 | 1.16 | 128 | 7.24 | 0.28 | 59 | 6.59 | 1.52 |
60 | 4.27 | 0.27 | 129 | 7.30 | 1.59 | 60 | 6.65 | 1.35 |
61 | 4.31 | 0.21 | 130 | 7.34 | 1.62 | 61 | 6.71 | 1.49 |
62 | 4.34 | 0.81 | 131 | 7.39 | 1.23 | 62 | 6.74 | 0.21 |
63 | 4.34 | 0.46 | 132 | 7.52 | 0.31 | 63 | 6.88 | 0.31 |
64 | 4.34 | 0.33 | 133 | 7.91 | 1.58 | 64 | 6.95 | 0.34 |
65 | 4.35 | 0.94 | 134 | 7.93 | 0.34 | 65 | 6.97 | 1.17 |
66 | 4.36 | 0.94 | 135 | 8.01 | 0.33 | 66 | 6.99 | 0.33 |
67 | 4.37 | 0.39 | 136 | 8.23 | 1.52 | 67 | 7.24 | 1.46 |
68 | 4.51 | 0.90 | 137 | 8.27 | 0.29 | 68 | 8.04 | 1.72 |
69 | 4.51 | 0.52 | 138 | 8.77 | 0.31 | 69 | 8.19 | 1.59 |
Min. | 1.59 | 0.12 | Min. | 1.92 | 0.12 | |||
Max. | 8.77 | 2.15 | Max. | 8.19 | 1.72 | |||
Mean | 4.73 | 0.69 | Mean | 4.72 | 0.68 | |||
SD | 1.53 | 0.49 | SD | 1.51 | 0.49 | |||
CV | 0.32 | 0.72 | CV | 0.32 | 0.72 |
CV = coefficient of variation; Max. = maximum; Min. = minimum; SD = standard deviation.