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

Table 2

Effect of turning body induced by acetic acid in mice (𝑥±𝑠, 𝑛=10).

Group	Dosage; (mg/kg)	潜 伏 期; latency of stomach ache/min	扭 体 次 数; amount of turning body/15 min
NS		2.8 ± 0.9	43.5 ± 13.8
EOZ low-dose	20 mg	3.0 ± 1.6③	40.7 ± 15.3③
EOZ middle-dose	40 mg	3.6 ± 1.8③	29.5 ± 5.6②
EOZ high-dose	80 mg	4.2 ± 1.7①	18.6 ± 6.4②
Ver	5 mg	3.9 ± 2.0③	19.6 ± 5.2②
EOZ + Ver low-dose	20 mg + 5 mg	4.3 ± 2.2①	19.2 ± 5.5②④
EOZ + Ver middle-dose	40 mg + 5 mg	4.5 ± 2.8①	18.3 ± 4.6②④
EOZ + Ver high-dose	80 mg + 5 mg	5.1 ± 3.1①	16.1 ± 4.8②④
Asp	200 mg	3.7 ± 1.3①	18.6 ± 5.5②

Values are presented as the mean ± S.E.M. (𝑛=10).
Compared with NS group: ①: 𝑃<0.05, ②: 𝑃<0.01, ③: 𝑃>0.05; compared with relevant EOZ group: ④: 𝑃<0.01.