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The Effect of Zataria multiflora and its Constituent, Carvacrol, on Tracheal Responsiveness and Lung Pathology in Guinea Pig Model of COPD
Author(s) -
Gholami Mahtaj L.,
Boskabady M.H.,
Mohamadian Roshan N.
Publication year - 2015
Publication title -
phytotherapy research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.019
H-Index - 129
eISSN - 1099-1573
pISSN - 0951-418X
DOI - 10.1002/ptr.5309
Subject(s) - copd , carvacrol , medicine , dexamethasone , lung , pulmonary disease , traditional medicine , anesthesia , food science , biology , essential oil
The effects of Zataria multiflora ( Z. multiflora ) and its constituent, carvacrol, in guinea pigs model of chronic obstructive pulmonary disease (COPD) were examined. Animals were divided into control, COPD, COPD + drinking water containing three concentrations of extract of Z. multiflora (0.4, 0.8 and 1.6 mg/ml), COPD + drinking water containing three concentrations of carvacrol (60, 120 and 240 µg/ml) and COPD + dexamethasone (50 µg/ml). COPD was induced by exposing animals to cigarette smoke for 3 months. Emphysema as a pathological change of the lung and tracheal responsiveness were measured ( n  = 5 for control and COPD groups and n  = 6 for another groups). Tracheal responsiveness ( p  < 0.05) and emphysema were significantly increased ( p  < 0.001) in COPD compared to the control group. Tracheal responsiveness in COPD groups treated with two higher concentrations of the Z. multiflora and three concentrations of carvacrol, and emphysema in treated with highest concentration of Z. multiflora and carvacrol were significantly improved compared to COPD group. Studied parameters were also significantly improved in the treated group with dexamethasone compared to COPD animals ( p  < 0.05 to p  < 0.01). The results indicated a preventive effect of Z. multiflora extract and its constituent, carvacrol, on tracheal responsiveness and pathological changes of the lung. Copyright © 2015 John Wiley & Sons, Ltd.

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