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Table 2 Percentage chemical composition of the essential oil of Mediterranean cypress Cupressus sempervirens L.

From: Chemical composition, antimicrobial and antibiofilm activity of the essential oil and methanol extract of the Mediterranean cypress (Cupressus sempervirens L.)

Peak no

Compounda

KIb

Areac(%)

1

Tricyclene

921

0.3

2

α-Thujene

922

1.4

3

α-Pinene

937

48.6

4

Camphene

948

0.5

5

Sabinene

974

2.0

6

β-Pinene

980

2.5

7

Myrcene

998

4.1

8

δ-3-carene

1012

22.1

9

p-Cymene

1021

0.2

10

Limonene

1024

4.6

11

γ -terpinene

1044

0.9

12

α-terpinolene

1064

4.5

13

Camphor

1104

0.1

14

Bronyl acetate

1289

0.2

15

Carvacrol

1304

0.1

16

β-Caryophyllene

1417

0.1

17

α-humulene

1559

0.3

18

Germacrene-D

1485

1.6

19

δ-cadinene

1527

0.5

20

α-cedrol

1610

3.5

Total

98.1

Oil yield (%) (v/w)

0.87

  1. aComponents were identified on KI and GC–MS (gas chromatograph coupled with mass spectrometry) and listed according to their elution on HP-5 MS capillary column (30 m).
  2. bKI: Kovats indices on HP-5 MS capillary column in reference to C9-C28 n-alkanes [12].
  3. cThe 20 constituents identified represent 98.1% of total area.