Fitoterapia. 2002 Aug; 73(5): 397-9.

Antitussive activity of the methanol extract of Passiflora incarnata leaves.

Dhawan K, Sharma A.

Pharmacognosy Division, University Institute of Pharmaceutical Sciences, Panjab University, 160014, Chandigarh, India. kdd@glide.net.in

The methanol extract of the leaves of Passiflora incarnata (100 and 200 mg/kg, p.o.) exhibited significant antitussive activity on sulfur dioxide-induced cough in mice, the cough inhibition (39.4 and 65.0%, respectively) being comparable to that of codeine phosphate (10 and 20 mg/kg, p.o., respectively).