Table 1 Antimicrobial activity of Satureja montana hydrolate and carvacrol against all tested strains.

From: Antibiotic properties of Satureja montana L. hydrolate in bacteria and fungus of clinical interest and its impact in non-target environmental microorganisms

Bacteria/yeast

Satureja montana hydrolate* (% v/v)

Carvacrol (mg/mL)

MIC

MBC

MBC/ MIC

LC50 (CI 95%)

LC10 (CI 95%)

MIC

MBC

MBC/ MIC

Escherichia coli (ATCC 25922)

 > 50

 > 50

69.75 (51.90–105.55)

9.85 (7.22–12.53)

0.5

0.5

1

Salmonella typhimurium (ATCC 13311)

50

50

1

23.54 (21.38–25.99)

11.31 (9.43–12.97)

0.125

0.125

1

Klebsiella pneumoniae (C6 )

50

50

1

26.80 (22.95–32.00)

6.02 (4.62–7.39)

0.25

0.25

1

Serratia marcescens (ATCC 13880)

50

 > 50

 > 1

28.39 (26.53–30.57)

19.11 (16.79–20.90)

0.5

0.5

1

Proteus mirabilis (ATCC 35659)

50

 > 50

 > 1

22.71 (20.68–24.99)

11.29 (9.48–12.89)

Pseudomona aeruginosa (ATCC 27853)

 > 50

 > 50

44.18 (36.43–56.82)

9.53 (7.08–11.85)

 > 2

 > 2

Klebsiella aerogenes (ATCC 13048)

 > 50

 > 50

41.33 (36.80–47.53)

17.57 (14.22–20.44)

0.25

0.25

1

Acinetobacter baumannii (ATCC 19606)

25

25

1

12.87 (11.38–14.60)

3.90 (3.12–4.66)

1

1

1

Listeria monocytogenes (ATCC 7644)

 > 50

 > 50

211.26 (110.64–723.77)

19.71 (13.71–27.82)

0.25

0.25

1

Pasteurella aerogenes (ATCC 27883)

25

25

1

21.93 (20.37–23.51)

14.53 (12.50 –16.12)

0.25

0.25

1

Bacillus subtilis (ATCC 6633)

50

50

1

23.79 (22.08–25.61)

15.09 (12.95–16.78)

2

2

1

Staphylococcus aureus (ATCC 9144)

50

50

1

28.06 (26.28–30.17)

19.20 (16.89–20.95)

0.25

0.25

1

Enterococcus faecalis (ATCC 19433)

 > 50

 > 50

1

1

1

Streptococcus agalactiae (ATCC 12386)

25

25

1

19.20 (17.75–20.57)

14.42 (12.63–15.84)

1

1

1

Candida albicans (ATCC 10231)

50

50

1

15.22 (13.75–16.87)

6.66 (5.53–7.69)

0.8

0.8

1

  1. CI (confidence interval), MIC (minimum inhibitory concentration), MBC (minimum bactericidal concentration).
  2. –: test not done due to incompatibility with solvents or insufficient data.
  3. * Main components concentration: Thymol 9.94 µg/mL, Carvacrol 243.20 µg/mL.