Research Article

Simultaneous Quantification of 14 Compounds in Achillea millefolium by GC-MS Analysis and Near-Infrared Spectroscopy Combined with Multivariate Techniques

Table 5

Correlation analysis between the 14 compounds (Table 1) in A. millefolium.

CompoundParameters1234567891011121314

1R21
Sig
2R20.70
Sig0
3R20.750.18
Sig00.29
4R2−0.41−0.28−0.27
Sig0.010.090.1
5R20.670.600.32−0.02
Sig000.050.88
6R20.140.52−0.28−0.180.21
Sig0.4100.090.280.21
7R20.570.270.49−0.380.710.2
Sig00.100.0200.24
8R2−0.090−0.040.920.25−0.12−0.14
Sig0.590.980.8100.120.480.41
9R20.720.340.64−0.190.71−0.010.740.1
Sig00.0400.2400.9500.57
10R20.530.580.1−0.020.750.370.460.230.56
Sig000.550.9100.0200.160
11R20.670.330.51−0.140.69−0.090.580.140.870.67
Sig00.0400.400.600.400
12R20.880.590.62−0.370.800.150.76−0.050.830.720.79
Sig0000.0200.3700.76000
13R20.550.560.21−0.310.480.350.37−0.120.530.450.540.53
Sig000.220.0600.030.020.4800.0100
14R20.180.55−0.340.040.340.39−0.10.170.130.400.220.150.431.00
Sig0.2800.040.810.040.020.550.320.420.010.190.360.01

Correlation significant at the 0.01 level (2-tailed); correlation significant at the 0.05 level (2-tailed).