Phytotherapy Research 2004-Sep
Evaluation of antitussive activity of Lagerstroemia parviflora leaf extract.
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Abstracto
The methanol extract of the leaves of Lagerstroemia parviflora Roxb was investigated for its effect on a cough model induced by sulfur dioxide gas in mice. It exhibited significant antitussive activity when compared with the control in a dose-dependent manner. The L. parviflora extract (100, 200, 300 mg/kg) showed maximum inhibition of cough reflex at 90 min after drug administration and the antitussive activity was comparable to that of codeine phosphate, a standard antitussive agent.