Research Article
Analgesia Synergism of Essential Oil from Pericarp of Zanthoxylum schinifolium and Verapamil
Table 4
Effect of the tail-curling latencies of mice in the warm water tail-flick test (
,
).
| Group | Dosage (mg/kg) | Basal TFL/s | TFL of proadmin/s | 15 min | 30 min | 60 min | 90 min | 120 min |
| NS | | 3.42 ± 0.52 | 3.48 ± 0.61 | 3.51 ± 0.72 | 3.62 ± 0.89 | 3.46 ± 0.61 | 3.48 ± 0.63 | EOZ low-dose | 20 mg | 3.52 ± 0.68 | 3.72 ± 0.79③ | 4.16 ± 0.97③ | 4.25 ± 0.92③ | 4.20 ± 0.91③ | 4.25 ± 0.92③ | EOZ middle-dose | 40 mg | 3.45 ± 0.62 | 4.15 ± 0.67③ | 4.85 ± 0.78① | 5.01 ± 0.88① | 5.12 ± 0.75① | 5.12 ± 0.85① | EOZ high-dose | 80 mg | 3.50 ± 0.58 | 4.14 ± 0.85③ | 5.23 ± 0.82② | 5.41 ± 0.76② | 5.42 ± 0.83② | 5.41 ± 0.86② | Ver | 5 mg | 3.49 ± 0.78 | 3.50 ± 0.75③ | 3.51 ± 0.82③ | 3.41 ± 0.84③ | 3.54 ± 8.6③ | 3.48 ± 0.85③ | EOZ + Ver low-dose | 20 mg + 5 mg | 3.38 ± 0.72 | 4.56 ± 0.76③ | 6.85 ± 0.78②④ | 7.22 ± 0.75②④ | 7.34 ± 0.85②④ | 6.46 ± 0.78②④ | EOZ + Ver middle-dose | 40 mg + 5 mg | 3.32 ± 0.65 | 4.12 ± 0.78③ | 9.23 ± 0.66②④ | 9.54 ± 0.78②④ | 9.68 ± 0.82②④ | 9.57 ± 0.65②④ | EOZ + Ver high-dose | 80 mg + 5 mg | 3.47 ± 0.60 | 4.11 ± 0.73③ | 11.2 ± 0.78②④ | 12.4 ± 0.85②④ | 13.1 ± 0.87②④ | 12.5 ± 0.91②④ | Mor | 10 mg | 3.56 ± 0.63 | 13.68 ± 0.86② | 12.62 ± 0.76② | 11.42 ± 0.79② | 8.49 ± 0.88② | 5.52 ± 0.82② |
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Compared with NS group: ①: , ②: , ③: ; compared with EOZ group: ④: .
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