Abstract Title:

Antiasthmatic activity of the methanol extract of leaves of Passiflora incarnata.

Abstract Source:

Phytother Res. 2003 Aug;17(7):821-2. PMID: 12916087

Abstract Author(s):

Kamaldeep Dhawan, Suresh Kumar, Anupam Sharma


The methanol extract of the leaves of P. incarnata was evaluated for its antiasthmatic effects against acetylcholine chloride (Ach)-induced-bronchospasm in guinea-pigs at doses of 50, 100 and 200 mg/kg. Using a 7-day treatment regimen, significant prevention of dyspnoea-related-convulsions was noted in the animals treated with a 100 mg/kg dose of this extract. No preventive effect was exhibited by the 50 mg/kg dose and at a higher dose, i.e. 200 mg/kg, the preventive effects against Ach-chloride-induced-dyspnoea were also reduced. This may be due to defective alpha-adrenoceptor function reported after excessive or continuous administration of an alpha-receptor agonist. Copyright 2003 John Wiley & Sons, Ltd.

Study Type : Animal Study

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