Microbiological and Pharmacological Evaluation of the Micropropagated Rubus liebmannii Medicinal Plant

Table 2

Relaxant effect induced by ethanol extract and primary fractions from Rubus liebmannii on spontaneous concentration of ileum.

Sample	IC50 (μg mL^−1)
Ethanolic extract	>250
F6	NT
F7	52.99 ± 4.74
F8	27.66 ± 3.41
F9	6.22 ± 0.73
F10	14.87 ± 0.33
F11	>250
F12	34.74 ± 6.81
F13	61.71 ± 9.8
F14	>250
F15	57.50 ± 5.76
β-sitosterol	42.81 ± 3.42
(−)-Epicatechin^*	>200
Papaverine	14.1 ± 0.35

IC₅₀: 50% Inhibitory concentration; NT: Not tested. ^*Sigma.