Evidence-Based Complementary and Alternative Medicine

Research Article

Ethanol Extract of Ulmus pumila Root Bark Inhibits Clinically Isolated Antibiotic-Resistant Bacteria

Table 1

Bacterial strains used the test of antibacterial activity.
StrainsClassmecA geneβ-Lactamase activityAntibiotic resistance pattern
S. aureus ATCC 33591MRSA++AM, OX, CF, E
Clinical isolates    
 S. aureus (OMS 1)MRSA++AM, OX
 S. aureus (OMS 2)MRSA++AM, OX, E
 S. aureus (OMS 3)MRSA++AM, OX, CF, E
 S. aureus (OMS 4)MRSA++AM, OX, E
 S. aureus (OMS 5)MRSA++AM, OX, CF, E
 S. aureus (OMS 6)MRSA++AM, OX, E
 S. aureus (OMS 7)MRSA++AM, OX, CF, E
 S. aureus (OMS 8)MRSA++AM, OX, CF, E
 S. aureus (OMS 9)MRSA++AM, OX, CF, E
 S. aureus (OMS 10)MRSA+−AM, OX, E
 S. aureus (OMS 11)MRSA++AM, OX
 S. aureus (OMS 12)MRSA++AM, OX
+: positive; −: negative; AM: ampicillin; OX: oxacillin; CF: cephalothin; E: erythromycin.
OMS indicates Staphylococcal strains of Department of Oral and Maxillofacial Surgery, Wonkwang University Hospital.