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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.