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Table 5 Seasonal composition of S. thymbra EO after fractionation

From: Anti-plasmodial and insecticidal activities of the essential oils of aromatic plants growing in the Mediterranean area

Compounds

% Composition*

 

A1

A2

A3

B1

B2

B3

C1

C2

C3

γ-terpinene

54

  

50

  

39

  

β-caryophyllene

15

  

15

  

32

  

p-cymene

10

  

11

  

12

  

thymol-methyl-ether

4

  

-

9

 

-

10

 

thymol

 

83

61

 

75

51

 

73

47

carvacrol

 

5

21

 

11

25

 

11

22

thymol acetate

 

3

  

0.5

  

1

 

caryophyllene oxide

 

8

  

3

  

3

 

terpinen-4-ol

  

5

  

7

  

8

Thym./carv. ratio

-

16.6

2.9

-

6.8

2.0

-

6.6

2.1

  1. * sample A: before flowering; sample B: during flowering; sample C: after flowering.
  2. Fraction 1-3 were obtained through fractionation on silicagel column chromatography and analysed by CG-FID-MS on a Mega5 column (5%phenyl methyl polysiloxane) 25 m, 0.25 mm i.d., 0.25 μm film thickness.