Influence of Binasal and Uninasal Inhalations of Essential Oil of Abies koreana Twigs on Electroencephalographic Activity of Human

Table 2

Chemical composition of the essential oil from the twigs of A. koreana.

S. number	Component			Formula	Area%
	Unsaturated terpene
1	Santene	888	902	C9H14
	Monoterpene hydrocarbons
2	Tricyclene	926	934	C10H16
3	α-Pinene	939	946	C10H16
4	Camphene	954	959	C10H16
5	β-Pinene	979	980	C10H16
6	3-Carene	1011	1013	C10H16
7	D-Limonene	1021	1018	C10H16
8	γ-Terpinene	1059	1064	C10H16
9	4-Carene	1128	1131	C10H16
	Oxygenated monoterpenes
10	Linalyl formate	1216	1218	C11H20O2
11	β-Fenchyl acetate	1232	1234	C12H20O
12	Bornyl acetate	1285	1286	C12H20O2
13	α-Terpinyl acetate	1349	1356	C12H20O2
14	Geranyl acetate	1365	1368	C12H20O2
	Sesquiterpene hydrocarbons
15	Isoledene	1376	1380	C15H24
16	Caryophyllene	1419	1412	C15H24
17	α-Humulene	1454	1460	C15H24
18	γ-Gurjunene	1477	1481	C15H24
	Oxygenated sesquiterpenes
19	Nerolidol	1563	1565	C15H26O
20	Selina-6-en-4-ol	1624	1625	C15H26O
21	β-Eudesmol	1650	1652	C15H26O
22	Eudesm-7(11)-en-ol	1666	1670	C15H26O
23	α-Bisabolol	1685	1689	C15H26O
	Total				98.52

: comparison of retention indices with those reported in the literature [20].
: retention indices relative to n-alkanes (C₈–C₂₀) on the VF-5MS column.