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

Figure 2

Effect of control, positive (pentoxyverine 50 mg/kg), water extracts of E. pungens, E. lanceolata, and E. henryi leaf (low, medium, and high doses of 4.4, 8.8, and 17.6 expressed as being equal to the weight of crude material per body weight) on the aqueous ammonia-induced latent period of cough (a) and cough frequency (b) after administration for 7 days (). Values are presented as mean ± SD, , compared with control group.

(a)

(b)