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Table 3 The MIC of extract and standard solutions against SA, MRSA and β-Lactamase producing S. aureus

From: Simultaneous determination of brazilin and protosappanin B in Caesalpinia sappan by ionic-liquid dispersive liquid-phase microextraction method combined with HPLC

MIC

Concentration

Bacteria

SA

MRSA

β-Lactamase producing S. aureus

Ionic liquid extract

mg crude drug/mL

37.5

37.5

18.8

Methanol extract

75.0

75.0

150.0

Brazilin

mg/mL

2.5

2.5

2.5

Streptomycin

0.06

0.5

0.03