Dent Mater J
June 2020
This study examines the mechanisms by which the standardised ethanolic extract of propolis induces relaxation of the guinea-pig trachea in-vitro. In guinea-pig trachea with or without epithelium and contracted by histamine, the propolis extract caused reproducible and graded relaxation, with a mean EC50 value of 3.8 or 10.
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