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Fig. 2 | Biological Research

Fig. 2

From: Relaxant effects of a hydroalcoholic extract of Ruta graveolens on isolated rat tracheal rings

Fig. 2

Effects of different concentrations of the R. graveolens extract (5–45 μg/mL) on carbachol (1 μM) pre-contracted rat tracheal rings. Concentrations of R. graveolens: C1, 5 μg/mL; C2, 15 μg/mL; C3, 30 μg/mL; C4, 45 μg/mL. Concentrations of aminophylline: C1, 0.2 mM; C2, 0.4 mM; C3, 0.8 mM; C4, 1.0 mM. Symbols and vertical bars represent means and SEM (n = 5 biological replicates). Data with different superscript symbols differ significantly among groups: *p < 0.05; **p < 0.01

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