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. 2012 Jul 2;11:219. doi: 10.1186/1475-2875-11-219

Table 2.

Composition ofMyrtus communisessential oil before (A), during (B) and after (C) flowering

 
  
  
 Sample A
 Sample B
 Sample C
Compound ITS.EXPa ITS. LITb g/100g g/100g g/100g
α-Thujene
 929
 930
 0.56
 0.75
 0.69
α-Pinene
 938
 936
 78.00
 56.6
 54.77
Sabinene
 975
 975
 n.r.
 0.12
 0.07
β-Pinene
 977
 979
 0.45
 0.60
 0.58
β-Myrcene
 992
 991
 0.12
 0.31
 0.20
α-Phellandrene
 1003
 1003
 0.35
 1.34
 0.64
δ-2-Carene
 1009
 1002
 0.84
 0.98
 0.94
α-Terpinene
 1017
 1017
 0.07
 0.35
 0.19
p-Cimene
 1025
 1025
 1.32
 0.51
 1.27
Limonene
 1030
 1029
 5.54
 5.68
 6.53
E-β-Ocimene
 1051
 1050
 0.37
 1.06
 0.78
γ-Terpinene
 1060
 1060
 0.53
 1.47
 1.03
α-Terpinolene
 1088
 1089
 0.50
 1.86
 1.20
Linalool
 1099
 1097
 0.66
 1.55
 1.85
Terpinen-4-ol
 1177
 1177
 0.07
 0.27
 0.34
α-Terpineol
 1189
 n.r.-
 0.32
 3.00
 3.40
Geraniol
 1257
 1253
 0.11
 0.57
 0.32
Terpinyl acetate
 1350
 1349
 0.12
 0.57
 n.r.
Eugenol
 1357
 1359
 n.r.
 0.15
 n.r.
Geranyl acetate
 1385
 1381
 1.16
 2.38
 2.23
β-Elemene
 1390
 1391
 0.12
 0.08
 0.41
Methyl eugenol
 1404
 1404
 0.25
 0.41
 0.33
β-Caryophyllene
 1416
 1419
 1.58
 1.41
 1.23
γ-Elemene
 1432
 1437
 0.10
 0.39
 0.19
α-Humulene
 1451
 1455
 0.54
 0.47
 0.44
β-Selinene
 1483
 1490
 n.r.
 n.r.
 0.17
α-Selinene
 1491
 1498
 n.r.
 n.r.
 0.21
δ-Cadinene
 1521
 1523
 0.10
 0.10
 0.11
Germacrene B
 1554
 1561
 0.28
 0.97
 0.40
Caryophyllene oxide
 1579
 1583
 1.11
 0.10
 0.25
TOTAL     99.32 99.64 99.70

GC-FID-MS analyses were carried out on a Mega5 column (5%phenyl methyl polysiloxane) 25 m, 0.25 mm i.d., 0.25 μm film thickness.

aExperimental Linear Retention Index on Mega5 Column.

b Linear Retention Index on Mega5 Column from Literature (Ref Adams 2007).