Table 4.

Results of cluster analysis for samples A1 to A5.

Results by Cluster	Cluster 1	Cluster 2
Objects	A1, A3, A5	A2, A4
Sum of weights	3	2
Within-class variance	270.81	59.25
Maximum distance to centroid	17.97	5.44
Cluster centroids > 1.0	sabinene (3.90), limonene (6.54), (E)-β-ocimene (1.00), α-copaene (2.04), nonanal (41.45), decanal (6.87), 7-epi-sesquithujene (1.43), tetradecane (2.06), β-caryophyllene (7.08), trans-α-bergamotene (0.76), ar-curcumene (17.95), α-zingiberene (1.03), hexadecane (1.46), heptadecane (2.37)	α-pinene (2.84), sabinene (8.62), limonene (3.91) (E)-β-ocimene (1.02), γ-terpinene (1.15), nonanal (21.36), decanal (2.56), α-copaene (1.41), 7-epi-sesquithujene (3.26), tetradecane (1.77), β-caryophyllene (7.12), trans-α-bergamotene (1.31), ar-curcumene (35.53), α-zingiberene (1.88), δ-cadinene (1.58), hexadecane (1.24)