In Vivo Evaluation of the Antiasthmatic, Antitussive, and Expectorant Activities and Chemical Components of Three Elaeagnus Leaves

Figure 1

Effect of control, positive (aminophylline 125 mg/kg), water extracts of E. pungens, E. lanceolata, and E. henryi leaf (low, medium, and high doses of 2.7, 5.4, and 10.8 g/kg, expressed as being equal to the weight of crude material per body weight) on guinea pigs bronchoconstriction induced by mixture spraying histamine and acetylcholine chloride after administration for 5 days (). Values are presented as mean ± SD, , compared with control group.