Table 2.

The chemical composition of AERC by GC-MS.

Peak	R.t	Name	Area (%)	Molecular Weight	Molecular Formula
1	8.66	2-Pentanone, 4-Hydroxy-4-Methyl-	8.87	116	C6H12O2
2	12.15	2-Butenedioic acid	21	116	C4H4O4
3	14.34	3-Thujanol	1.14	154	C10H18O
4	14.93	4-Heptenal	1.20	112	C7H12O
5	15.11	2,4-Heptadienal, (E,E)	2.12	110	C7H10O
6	17.00	2-Nonen-1-ol, (E)	1.00	142	C9H18O
7	19.96	4-Penten-2-Ol, 3-Methyl-	0.90	100	C6H12O
8	23.28	2-Decenal, (E)-	1.69	154	C10H18O
9	24.03	Benzaldehyde, 4-(1-methylethyl)-	9.33	148	C10H12O
10	25.31	α-Ylangene	0.95	204	C15H24
11	25.58	1,4-p-Menthadien-7-al	10.07	150	C10H14O
12	25.90	2,4-Decadienal, (E,E)-	1.42	152	C10H16O
13	26.68	2-Undecenal, E-	2.34	168	C11H20O
14	27.34	Caryophyllene	2.05	204	C15H24
15	29.50	Methyleugenol	3.60	178	C11H14O2
16	29.78	Benzene,1-(1,5-Dimethyl-4-Hexenyl)-4-Methyl-	1.55	202	C15H22
17	30.06	2,6,10-Dodecatrien-1-ol,3,7,11-trimethyl-	0.70	222	C15H26O
18	30.82	7-epi-cis-Sesquisabinene hydrate	3.47	222	C15H26O
19	31.84	1,2,3-Benzenetriol (Pyrogallic acid)	21.04	126	C6H6O3
20	34.70	cis-Z-α-Bisabolene epoxide	2.88	220	C15H24O

R.t, retention time (min).