Abstract:Objective: This study aimed to compare the bronchorelaxation effect of the methanol extract, hexane fraction, ethyl acetate fraction, and methanol fraction of Coptosapelta flavescens Korth. roots (CFRs) on the isolated bronchial rings of guinea pig.
Methods: Research design was experimental in which a 4-mm long bronchus of a male guinea pig was kept in an isolated organ bath containing Krebs-Henseleit solution at 37°C, pH 7.4, and flooded with carbogen gas. The bronchial ring was precontracted with metha… Show more
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