Analgesia Synergism of Essential Oil from Pericarp of Zanthoxylum schinifolium and Verapamil

Table 1

Main constituents of essential oil from Zanthoxylum schinifolium Sieb. et Zucc. determined by GS-MS.

Retention (min)	Compound name	Relative content (%)
7.356	.alpha.-Pinene	1.03
8.475	.beta.-Phellandrene	1.26
8.856	Sabinene	9.16
9.157	.beta.-Myrcene	3.87
9.835	.alpha.-Terpinene	1.05
10.158	Eucalyptol	1.64
10.262	d-Limonene	15.34
10.751	1,8-Cineole	1.05
11.122	.gamma.-Terpinene	1.02
12.671	Cis-sabinene hydrate	1.18
12.304	Linalool	32.54
13.154	Linalyl acetate	1.06
14.796	Terpineol	2.56
19.255	4-Terpinenol	1.78
22.038	.alpha.-Caryophyllene	1.41
22.847	Germacrene	1.32
23.469	.gamma.-Cadinene	1.03
	Different compounds	Trace (<1%)