Antitussive, Expectorant, and Anti-inflammatory Effects of Mahwangyounpae-tang, a Polyherbal Formula in ICR Mice

Author:

Jeong Yeong-eun,Kim Jong-dae

Abstract

Objectives: The antitussive, expectorant, and anti-inflammatory effects of Mahwangyounpae-tang (MHYPT) aqueous extracts were observed in appropriate animal models of various respiratory disorders.Methods: MHYPT aqueous extracts were orally administered once a day for 11 days at dose levels of 400, 200, and 100 mg/kg. The effect of MHYPT was determined by comparing its antitussive effect with theobromine (TB), its expectorant effect with ambroxol (AM), and its anti-inflammatory effect with dexamethasone (DEXA).Results: MHYPT aqueous extracts (400 mg/kg) showed favorable antitussive effects comparable to those of TB (50 mg/kg) in the NH<sub>4</sub>OH-exposure coughing mouse model and expectorant effects comparable to those of AM (250 mg/kg) in the phenol red-secretion mouse model, but MHYPT (400 mg/kg) showed less anti-inflammatory activity compared to DEXA (1 mg/kg) in the xylene-induced acute inflammatory mouse ear model under the experimental conditions used.Conclusion: MHYPT aqueous extracts administered at dosage levels of 400, 200, and 100 mg/kg induced dose-dependent and favorable antitussive, expectorant, and anti-inflammatory activities that occurred by simultaneous modulation of the activity of mast cells and respiratory mucous production under the experimental conditions used in this study.

Publisher

The Society of Internal Korean Medicine

Subject

General Medicine

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