Skip to main content
. 2020 May 12;11:650. doi: 10.3389/fphar.2020.00650

Table 3.

Chemical composition (%) of essential oils of Sideritis cypria leaves and flowers.

Compound RIa Leaves Flowers
α-Thujene 926 0.677 ± 0.016b 0.847 ± 0.002a
α-Pinene 933 11.924 ± 0.29b 37.97 ± 0.294a
Camphene 948 0.018 ± 0.000b 0.084 ± 0.001a
Sabinene 973 5.404 ± 0.090a 5.580 ± 0.017a
β-Pinene 977 4.979 ± 0.091b 14.671 ± 0.05a
β-Myrcene 989 0.773 ± 0.008b 1.016 ± 0.005a
α-Phellandrene 1004 1.891 ± 0.017a 1.577 ± 0.006b
a Terpinene 1017 0.061 ± 0.001a 0.110 ± 0.027a
o Cymene 1024 0.405 ± 0.004a 0.463 ± 0.026a
β-Phellandrene 1029 25.114 ± 0.325a 25.818 ± 0.056a
Eucalyptol 1031 0.017 ± 0.017a 0.042 ± 0.021a
Benzeneacetaldeyhe 1041 0.012 ± 0.006
γ-Terpinene 1058 0.153 ± 0.002a 0.205 ± 0.044a
Cis Sabinenehydrate 1066 0.095 ± 0.002a 0.083 ± 0.003b
1 octanol 1067 0.049 ± 0.003
Terpinolene 1089 0.053 ± 0.001a 0.040 ± 0.003b
trans Sabinenehydrate 1100 0.030 ± 0.001a 0.037 ± 0.005a
Nonanal 1104 0.350 ± 0.002
α-Campholenal 1127 0.021 ± 0.004b 0.081 ± 0.003a
trans Pinocarveol 1139 0.015 ± 0.000b 0.114 ± 0.006a
trans Verbenol 1143 0.028 ± 0.002b 0.142 ± 0.007a
Pinocarvone 1163 0.012 ± 0.006b 0.075 ± 0.003a
Terpinen-4-ol 1178 0.130 ± 0.003a 0.140 ± 0.006a
Cryptone 1187 0.160 ± 0.002a 0.069 ± 0.004b
α-Terpineol 1191 0.454 ± 0.008b 0.500 ± 0.008a
Myrtenol 1195 0.074 ± 0.005
Cumin aldehyde 1241 0.175 ± 0.002a 0.023 ± 0.001b
Carvone 1244 0.138 ± 0.053
Thymol 1299 0.034 ± 0.018
β-Caryophyllene 1425 22.525 ± 0.026a 6.836 ± 0.056b
α-Humulene 1462 0.890 ± 0.011a 0.176 ± 0.011b
Caryophyllene oxide 1587 8.325 ± 0.149a 1.498 ± 0.036b
Humulene epoxide 1607 0.177 ± 0.010
Camphoric Acid 1636 0.219 ± 0.023a 0.063 ± 0.008b
14 Hydroxy-β-
caryophyllene
1666 9.884 ± 0.327a 1.388 ± 0.069b
14 Hydroxy-α-humulene 1707 3.803 ± 0.173a 0.108 ± 0.056b
Total Identified 98.955 ± 0.080 99.864 ± 0.024
Monoterpenes
hydrocarbons
51.452 ± 0.836b 88.382 ± 0.240a
Sesquiterpenes
hydrocarbons
23.415 ± 0.028a 7.012 ± 0.063b
Oxygenated monoterpenes 1.109 ± 0.048b 1.344 ± 0.043a
Oxygenated sesquiterpenes 22.188 ± 0.658a 2.995 ± 0.158b
Others 0.791 ± 0.027a 0.131 ± 0.010b
a

Components listed in order of elution from a Zebron ZB-5 capillary column

bvalues (n=3) in rows followed by the same letter are not significantly different, P ≤ 0.05.