Table 5.

Microorganisms tested with the Origanum syriacum essential oil and the relative references.

Microorganism	Reference
Gram-Positive Bacteria
Bacillus brevis	[5]
Bacillus cereus	[42]
Bacillus megaterium	[5]
Bacillus subtilis	[5]
Clostridium perfringens	[42]
Corynebacterium xerosis	[5]
Enterococcus faecalis	[5,22]
Enterococcus faecium	[19]
Listeria innocua	[35]
Micrococcus luteus	[5]
Mycobacterium smegmatis	[5,42]
Staphylococcus aureus	[19,22,32] [5,42,43,44]
Streptococcus pneumoniae	[42,45]
Gram-Negative Bacteria
Acinetobacter lwoffii	[42]
Brucella melitensis	[26]
Enterobacter aerogenes	[42]
Escherichia coli	[5,19,32,41,42,44]
Klebsiella oxytoca	[5]
Klebsiella pneumoniae	[5,42,44]
Moraxella catarrhalis	[42]
Proteus mirabilis	[26,42]
Proteus vulgaris	[44]
Pseudomonas aeruginosa	[5,19,26,29,42,44]
Salmonella enterica	[26]
Salmonella typhi	[44]
Yersinia enterocolitica	[5,26]
Fungi
Aspergillus flavus	[22]
Aspergillus fumigatus	[22]
Aspergillus niger	[8,22]
Candida albicans	[32,42,44]
Candida krusei	[42]
Fusarium oxysporum	[8]
Microsporum canis	[44]
Penicillium species	[8]
Saccharomyces cerevisiae	[5]
Trichophyton rubrum	[32,44]