Table 1.

Chemical composition of essential oils (%) *.

Essential Oil	Components a	Percentage of Components b
Amyris balsamifera L.	elemol	11.5
	τ-cadinol	33.4
	selin-11-en-4-α-ol	11.3
Boswellia carterii L.	α-pinene	37.0
	p-cimene	6.3
	α-limonene	19.8
Canarium luzonicum Miq.(H)	α-phellandrene	12.6
	α-limonene	39.7
	elemol	20.8
Cinnamomum camphora Nees & Eberm	α-pinene	12.2
	α-limonene	25.1
	1,8-cineole	35.2
Cinnamomum camphora var. linalolifera	linalool	98.1
Citrus aurantium L.	linalool	22.8
	α-terpineol	6.6
	linalool acetate	48.5
Gaultheria procumbens L.	methyl salicylate	97.6
Litsea cubeba Pers.	α-limonene	14.3
	neral	29.5
	geranial	39.4
Melaleuca leucadendron L.	α-limonene	6.9
	1,8-cineole	49.0
	α-terpineol	7.8
Melaleuca ericifolia Smith.	1,8-cineole	16.9
	linalool	47.5
	aromadendrene	5.3
Pogostemon cabli L.	α-guaiene	14.3
	α-bulnesene	21.3
	patchouli alcohol	31.0
Citrus limon (L.)	β-pinene	13.3
	α-limonene	58.9
	γ-terpinene	11.2
Santalum album L.	α-bergamotene	9.68
	α-santalol	59.0
	β-santalol	9.02
Vetiveria zizanoides (L.)	β-vetivenene	7.42
	β-guaiene	4.43
	khusenol	5.24

Note: * listed are the main components, ^a Identified compounds, ^b compounds identified in amounts. Full composition of chemical compounds is shown in Supplementary Material Table S1.