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Table 1 Compounds detected in O. vulgare essential oil

From: Origanum vulgare L. essential oil inhibits virulence patterns of Candida spp. and potentiates the effects of fluconazole and nystatin in vitro

Compound

% area

RIa

Identification

Monoterpenes hydrocarbons (26.59%)

1

α-thujene

0.65

944.2

MS, RIb

2

α-pinene

0.16

953.9

MS, RIb

3

sabinene

2.84

991.2

MS, RIb

4

β-myrcene

1.07

1005.9

MS, RIb, Co-I

5

α-phellandrene

0.48

1024.6

MS, RIb

6

α-terpinolene

5.02

1037.5

MS, RIc

7

p-Cymene

2.20

1045.8

MS, RIb

8

3-carene

0.41

1055.8

MS, RIb

9

γ-terpinene

11.66

1080.3

MS, RIb

10

α-terpinolene

1.87

1110.4

MS, RIb, Co-I

11

trans-allo-ocimene

0.23

1150.5

MS, RIb

Oxygenated Monoterpenes (64.13%)

12

4-thujanol

3.01

1089.2

MS, RIb,

13

linalool

0.55

1119.6

MS, RIb

14

cis-sabinene hydrate

16.72

1124.0

MS, RIb

15

cis-β-terpineol

0.02

1128.7

MS, RIb, Co-I

16

cis-2-menthenol

1.21

1147.6

MS, RIb

17

trans-2-menthenol

0.78

1165.7

MS, RIb

18

pinocarvone

0.02

1192.0

MS, RIb

19

endo-borneol

0.28

1194.8

MS, RIb

20

4-terpineol

13.57

1205.5

MS, RIb, Co-I

21

α-terpineol

3.13

1218.3

MS, RIb, Co-I

22

trans-piperitol

0.30

1224.1

MS, RIb

23

cis-piperitol

0.38

1236.0

MS, RIb

24

methyl carvacrol

3.17

1269.9

MS, RIb

25

linalyl acetate

3.99

1277.1

MS, RIb

26

thymol

14.20

1314.5

MS, RIb

27

carvacrol

2.64

1324.0

MS, RIb

28

geranyl acetate

0.16

1406.2

MS, RIb

Sesquiterpenes (5.12%)

29

caryophyllene

3.56

1465.2

MS, RIb

30

α-humulene

0.32

1499.2

MS, RIb

31

bicyclogermacrene

1.24

1544.6

MS, RIb

Oxygenated Sesquiterpenes (0.47%)

32

neryl acetate

0.08

1387.5

MS, RIb

33

spathulenol

0.27

1631.7

MS, RIb

34

caryophyllene oxide

0.12

1640.5

MS, RIb

Others (2.55%)

35

Cyclohexane, 1-methylene-4-(1-methylethenyl)-

1.74

1051.9

MS, RIb

36

benzene, 2-methoxy-4-methyl-1-(1-methylethyl)-

0.81

1259.9

MS, RIb

 

Percentage of identified molecules

98.86

  
  1. a: Experimental retention index for non-polar column; b: bibliographic retention index for non-polar column, MS Mass spectra, Co-I Co-injection of standard