Effects of Ultrasound Technique on the Composition of Different Essential Oils
Table 6
Changes in the chemical composition in solutions of hyssop oil.
Compound
IR
Chemical composition of essential oil (mg/ml)
Alcohol solutions
Hexane solutions
A
B
C
D
K
A
B
C
D
K
Thujene <alpha->
931
0.39
0.38
0.39
0.41
0.41
0.41
0.43
0.42
0.44
0.43
Pinene <alpha->
939
1.26
1.25
1.26
1.34
1.33
1.33
1.41
1.38
1.43
1.39
Sabinene
975
2.30
2.26
2.26
2.39
2.33
2.32
2.43
2.41
2.48
2.40
Pinene <beta->
939
13.78a
13.96a
13.73a
13.32a
13.93a
13.62a
13.15a
13.29a
12.51a
13.00a
Myrcene
994
2.39
2.35
2.40
2.55
2.46
2.44
2.52
2.52
2.58
2.55
Limonene
1030
1.77
1.71
1.72
1.77
1.72
1.75
1.79
1.78
1.75
1.73
Cineole <1,8->
1033
6.23a
6.13a
5.89a
5.75a
5.60a
5.62a
5.76a
5.74a
5.78a
5.55a
Ocimene <(Z)-beta->
1037
1.01
1.00
1.02
1.08
1.05
1.05
1.09
1.07
1.11
1.10
Terpinene <gamma->
1060
0.20
0.20
0.21
0.22
0.21
0.21
0.22
0.22
0.22
0.23
Linalool
1099
1.42
1.37
1.48
1.57
1.50
1.53
1.64
1.55
1.69
1.72
Thujone <cis->
1105
0.20
0.20
0.22
0.12
0.22
0.23
0.26
0.23
0.26
0.27
Thujone <trans->
1116
0.18
0.17
0.18
0.19
0.18
0.19
0.21
0.19
0.21
0.21
Pinocarveol <trans->
1138
0.42
0.41
0.43
0.46
0.45
0.47
0.44
0.48
0.46
0.46
Pinocarvone
1163
8.20a
8.68a
8.30a
7.85a
7.98a
8.00a
8.21a
8.13a
8.26a
7.75a
Pinocamphone <cis->
1174
28.52a
29.38a
28.98a
27.85a
28.34a
28.49a
27.17a
28.03a
27.92a
27.28a
Pinocamphone <trans-2-hydroxy->
1249
0.18
0.17
0.18
0.19
0.19
0.21
0.21
0.21
0.22
0.24
Bourbonene <beta->
1390
1.74
1.67
1.71
1.83
1.78
1.77
1.79
1.78
1.83
1.90
Methyl eugenol
1405
0.31
0.30
0.32
0.35
0.35
0.36
0.37
0.36
0.38
0.39
Gurjunene <alpha->
1412
0.62
0.60
0.61
0.68
0.66
0.65
0.67
0.66
0.69
0.72
Caryophyllene <E->
1420
1.37
1.32
1.31
1.34
1.43
1.41
1.44
1.42
1.47
1.53
Humulene <alpha->
1455
0.28
0.27
0.28
0.30
0.30
0.29
0.30
0.29
0.31
0.32
Aromadendrene <allo->
1461
1.99
1.93
1.95
2.07
2.02
1.98
2.03
1.99
2.06
2.10
Germacrene D
1487
3.00
2.87
2.91
3.06
2.96
2.95
2.96
2.94
2.88
3.02
Bicyclogermacrene
1503
3.18
3.07
3.04
3.16
3.06
3.06
3.07
3.06
3.09
3.20
Cadinene <gamma->
1515
0.46
0.45
0.46
0.50
0.50
0.49
0.50
0.48
0.26
0.53
Elemol
1550
1.73
1.69
1.69
1.85
1.81
1.87
1.93
1.86
1.77
2.00
Spathulenol
1579
0.88
0.86
0.90
0.98
0.96
0.97
1.00
0.97
0.97
1.06
Caryophyllene oxide
1585
0.34
0.33
0.35
0.38
0.38
0.37
0.39
0.38
0.36
0.42
Viridiflorol
1594
0.28
0.27
0.28
0.33
0.32
0.33
0.34
0.33
0.32
0.37
Cadinol <epi-alpha->
1640
0.38
0.37
0.41
0.45
0.45
0.48
0.49
0.48
0.48
0.55
Eudesmol <alpha->
1654
0.46
0.45
0.49
0.55
0.55
0.54
0.56
0.53
0.55
0.60
Designation according to Table 1. IR: retention indices (from temperature programming, using the definition of Van den Dool and Kratz [17]). Values designated with the same superscript letters for the dominant compound do not significantly differ at 5% error (Duncan’s test).