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Table 2 Minimum inhibitory concentration (MIC) of methanolic extracts of R. californica and U. californica (mg/ml)

From: Antibacterial activity of native California medicinal plant extracts isolated from Rhamnus californica and Umbellularia californica

Plants B. cereus ATCC® 14579 S. aureus ATCC® 25923 MRSA ATCC® BAA-1683 M. smegmatis ATCC® 10143
R. californica Leaves 4.0 ± 0 6.0 ± 0* 6.0 ± 0* 5.0 ± 1.4*
U. californica Leaves 4.0 ± 0 4.3 ± 0.5 5.5 ± 1.0* 4.7 ± 1.2
U. californica Bark 3.3 ± 1.2 4.0 ± 0 5.0 ± 1.4* 6.0 ± 2.1
Methanol -- -- -- --
  1. Values represent averages ± SD. --, not active; most experiments were repeated three times (n = 3); *n = 2