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Table 3 Antibacterial activity of essential oil of Eucalyptus species

From: Chemical composition and antibacterial activities of seven Eucalyptus species essential oils leaves

Strains E.m E.a E.c E.le E.l E.s E.b
Listeria ivanovii (RBL30) 25 mm +++ 26 mm +++ 24 mm +++ 12 mm + 11 mm + 20 mm ++ 28 mm +++
Escherichia coli (ATCC25922) 15 mm ++ 15 mm ++ 16 mm ++ 18 mm ++ 20 mm ++ 14 mm + --
Staphylococcu s aureus (ATCC6533) -- 13 mm + 10 mm + 11 mm + 16 mm ++ 12 mm + 15 mm ++
Enterococcus faecalis (ATCC29212) 11 mm + 12 mm + 12 mm + 12 mm + 12 mm + 11 mm + 10 mm +
Bacillus cereus (ATCC11778) 25 mm +++ 29 mm +++ 21 mm +++ 16 mm ++ 17 mm ++ 15 mm ++ 27 mm +++
  1. Not sensitive (–) for zone diameters equal to 8 mm or below; Sensitive (+) for zone diameters between 8 and 14 mm, Very sensitive (++) for zone diameters between 14 and 20 mm, Extremely sensitive (+++) for zone diameters equal or larger than 20 mm.
  2. E.m : E. maideni; E.a : E. astrengens; E.c : E. cinérea; E.le : E. leucoxylon; E.l : E. lehmani; E.s : E. sideroxylon; E.b : E. bicostata.