Table 5.

Four principal components of the 41 essential oil compounds of C. camphora.

Compounds	PC1	PC2	PC3	PC4
α-Pinene	0.36	0.18	−0.54	−0.14
β-Phellandrene	0.32	0.62	−0.62	−0.19
α-Phellandrene	0.034	−0.06	−0.04	0.01
D-limonene	0.13	−0.45	−0.15	−0.04
Eucalyptol	0.33	0.65	−0.64	−0.21
γ-Terpinene	0.18	0.26	−0.32	−0.05
trans-Linalool oxide	0.08	0.13	−0.19	−0.00
Linalool	−0.99	−0.04	−0.11	−0.10
β-Terpineol	0.06	0.09	−0.09	0.04
Camphor	0.28	−0.89	−0.31	−0.14
Borneol	0.06	−0.13	−0.04	−0.01
4-Terpineol	0.10	0.14	−0.16	0.02
α-Terpineol	0.30	0.56	−0.58	−0.18
trans-Geraniol	0.03	0.04	0.02	0.01
Bornyl acetate	0.11	−0.27	−0.05	−0.05
δ-Elemene	0.14	−0.10	0.36	0.11
Methyl eugenol	0.01	0.01	0.01	0.04
β-caryophyllene	0.15	−0.10	0.56	−0.00
γ-Elemene	0.04	0.02	0.18	0.08
Humulene	0.19	−0.14	0.46	0.08
Valencene	0.05	0.02	0.15	0.61
γ-Muurolene	0.04	0.02	0.09	0.55
Germacrene D	0.18	−0.20	0.46	−0.20
δ-Selinene	0.05	−0.06	0.06	0.40
α-Guaiene	0.21	−0.42	0.10	−0.03
Methyl isoeugenol	0.03	0.05	0.17	0.02
Copaene	0.02	0.01	0.04	0.10
α-Muurolene	0.01	0.01	0.02	0.06
Elemol	0.01	−0.01	0.03	0.09
trans-Nerolidol	0.18	0.10	0.91	−0.33
Germacrene B	0.04	0.04	0.15	0.60
Spathulenol	0.07	0.03	0.30	0.39
caryophyllene oxide	0.11	0.05	0.53	0.20
Guaiol	0.05	0.04	0.19	0.12
Selina-6-en-4-ol	0.06	0.02	0.14	0.95
Viridiflorol	0.04	0.02	0.18	0.11
τ-Muurolol	0.03	0.01	0.07	0.15
α-Cadinol	0.04	0.00	0.12	0.26
Juniper camphor	0.07	0.03	0.29	0.09
Bulnesol	0.05	0.02	0.12	0.52
3-Methyl-but-2-enoic acid-1,7,7- trimethyl-bicyclo [2.2.1]hept-2-yl ester	0.16	0.10	0.81	−0.21
% of Variance	33.01	26.37	24.72	9.59