Table 7.
Bivariate correlation coefficients between Ca/Cb ratio and variables extracted from contributors (Table 6) and VIPs (Fig. 3)

Variables	Pearson Correlation	p-value (1-tail)
Positive Correlation
1-Penten-3-ol	0.848 **	0.000
L-Bornyl acetate	0.832 **	0.000
(Z)-2-Penten-1-ol	0.799 **	0.000
(E)-2-Hexenal	0.791 **	0.000
Bicyclogermacrene	0.781 **	0.000
Cyclohexene oxide	0.632 **	0.000
2-Ethyl furan	0.672 **	0.000
Germacrene-D	0.631 **	0.000
(Z)-3-Hexen-1-ol	0.550 **	0.000
2-Heptenal	0.469 **	0.001
β-Myrcene	0.147	0.177
Negative Correlation
Caryophyllene oxide	-0.791 **	0.000
p-Cymene	-0.733 **	0.000
Myrtenol	-0.684 **	0.000
Spathulenol	-0.639 **	0.000
p-Cymenene	-0.601 **	0.000
Camphor	-0.547 **	0.000
3-Methyl-2-buten-1-ol	-0.424 **	0.003
4-Methyl-2-pentanone	-0.364 **	0.009
Pinocarvone	-0.264*	0.046

significant at 0.05 level
significant at 0.01 level