Identification of Insecticidal Constituents from the Essential Oil of Valeriana jatamansi Jones against Liposcelis bostrychophila Badonnel

Table 1

GC-MS analysis of essential oil derived from Valeriana jatamansi  roots.

No.	Compounds	RI	Peak area (%)
1	Isovaleric acid*	875	12.9
2	3-Methylvaleric acid*	902	8.4
3	Valeric acid*	912	2.2
4	α-Pinene*	931	0.6
5	Camphene	945	1.3
6	β-Pinene*	981	0.6
7	1,8-Cineol*	1032	1.6
8	Camphor*	1143	0.2
9	α-Terpineol*	1191	0.3
10	Methyl thymol ether	1225	1.1
11	Bornyl acetate*	1285	1.4
12	Copaene	1374	0.5
13	β-Patchoulene	1382	4.0
14	β-Elemene	1393	2.4
15	α-Gurjunene	1406	0.2
16	Caryophyllene*	1420	0.4
17	Calarene	1432	0.8
18	α-Guaiene	1437	8.7
19	α-Caryophyllene	1454	0.2
20	Seychellene	1458	2.3
21	α-Bulnesene	1503	13.8
22	δ-Cadinene	1520	2.1
23	Selina-3,7(11)-dien	1534	0.6
24	Viridiflorol	1592	1.5
25	Guaiol	1601	0.9
26	Patchoulol	1660	24.3
27	Valeranone	1679	1.5
	Total identified		94.8
	Monoterpenoids		7.1
	Sesquiterpenoids		64.2
	Others		23.5

RI: retention index on a HP-5MS column. *Identification by coinjection of authentic compounds.