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Table 1 Oil composition (%) of Lippia origanoides

From: Antibacterial action against food-borne microorganisms and antioxidant activity of carvacrol-rich oil from Lippia origanoides Kunth

Constituents

RICalc.

RILit.

Oil %

01

(Z)-Hexen-3-ol

854

859

0.2

02

α-Thujene

926

924

0.6

03

α-Pinene

934

932

0.4

04

1-Octen-3-ol

976

974

0.1

05

Myrcene

990

988

1.1

06

α-Terpinene

1016

1014

0.5

07

p -Cymene

1025

1020

9.7

08

Limonene

1026

1024

0.2

09

1,8-Cineole

1032

1026

1.3

10

γ-Terpinene

1056

1054

0.2

11

Linalool

1098

1095

2.9

12

Umbellulone

1169

1167

0.3

13

Terpinen-4-ol

1176

1174

1.5

14

Thymol methyl ether

1234

1232

1.3

15

Thymol/carvacrol isomer (MW = 150)

1282

 

0.4

16

Thymol

1292

1289

12.8

17

Carvacrol

1299

1298

47.2

18

Thymol acetate

1351

1349

0.4

19

Carvacrol acetate

1372

1370

0.6

20

Geranyl acetate

1382

1379

0.6

21

(E)-Caryophyllene

1418

1416

2.3

22

trans-α-Bergamotene

1434

1432

0.2

23

α-Humulene

1455

1452

0.3

24

p -Methoxythymol

1487

1484

7.4

25

β-Bisabolene

1506

1505

0.3

26

(Z)-α-Bisabolene

1508

1506

0.2

27

p-Methoxycarvacrol (tent.)

1555

 

1.3

28

Caryophyllene oxide

1584

1582

1.6

29

2-phenylethyl tyglate

1587

1584

0.2

30

Humulene epoxide II

1611

1608

0.2

31

α-Eudesmol

1656

1653

0.1

32

α-Bisabolol

1686

1685

0.2

33

Unidentified sesquiterpenes

1.2

Total

97.8

  1. RI Calc. Retention index calculated on DB-5 ms capillary column, using a homologous; series of n-alkanes (C8-C32). RILit. = Retention index from literature [10]; Bold data: The main constituents of the oil.