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Table 3 Circadian study of the Lippia thymoides oils on the rainy and dry seasons

From: Planting and seasonal and circadian evaluation of a thymol-type oil from Lippia thymoides Mart. & Schauer

Oil constituents (%) Oil yields (%)
RIC RIL February—rainy season September—dry season
0.9 0.9 1.1 0.9 0.7 0.8 0.7 0.9 0.8 0.5 0.8 0.6
6 am 9 am 12 am 3 pm 6 pm 9 pm 6 am 9 am 12 am 3 pm 6 pm 9 pm
(3Z)-Hexenol 853 850 0.1 0.1 0.1 0.2 0.1 0.1 0.1   0.1    0.1
α-Thujene 922 924 0.6 1.0 1.2 1.4 0.7 1 0.1 0.2 0.5 0.7 0.4 0.8
α-Pinene 934 932   0.1 0.1 0.1   0.1   0.1 0.1 0.1 0.1  
Camphene 948 946    0.1 0.1      0.1   0.1  
Sabinene 971 969         0.1   0.1 0.1  
β-Pinene 978 974 0.1   0.2 0.2         0.1
1-Octen-3-ol 979 974        0.1 0.1 0.1 0.1 0.1 0.2
Myrcene 987 988 1.0 1.0 1.2 1.5 1.0 1 0.6 0.6 0.8 1.6 1.2 1.8
α-Phellandrene 1000 1002 0.1 0.1 0.1 0.1 0.1 0.1   0.1 0.1 0.1 0.1 0.1
iso-Sylvestrene 1007 1007        0.1 0.1 0.1 0.1 0.1 0.1
α-Terpinene 1015 1014   0.7   1.2 0.7 0.6 0.9 0.9 1.1 1.6 1.3 1.5
p-Cymene 1022 1020 6.4 4.7 7.8 6.7 5.5 4.7 4.8 4.1 7.0 8.4 6.8 8.8
Limonene 1025 1024     0.2    0.2 0.2 0.2 0.3 0.3 0.4
1,8-Cineole 1028 1026     0.3    0.5 0.3 0.4 0.6 0.6 0.8
(E)-β-Ocimene 1047 1044    0.1 0.1    0.1   0.1 0.1 0.1 0.1
γ-Terpinene 1058 1054 4.9 4.9 5.8 6.8 4.8 4.9 6.4 7.0 8.3 8.4 8.0 7.6
cis-Sabinene hidrate 1064 1063 0.1 0.1 0.1 0.1 0.1 0.1 0.1      
Terpinolene 1087 1086    0.1 0.1    0.1 0.1 0.1 0.1 0.1 0.1
Linalool 1094 1095 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1
Camphor 1143 1141     0.1    0.1 0.1 0.1 0.1 0.1 0.1
Umbellulone 1169 1167 0.2 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2   0.1 0.2
Terpinen-4-ol 1176 1174       0.1 0.1 0.1 0.1   0.1 0.3
α-Terpineol 1186 1186 0.4 0.1 0.2 0.3    0.6 0.5 0.4 0.6 0.4  
Thymol methyl ether 1231 1232 0.9 0.4 0.7 0.7 0.4 0.4 1.7 1.5 1.0 1.1 1.2 1.2
Thymol 1296 1289 75.6 77.7 70.0 66.6 77.8 77.8 65.7 65.9 67.8 62.6 61.5 63.2
Thymol acetate 1354 1349 5.1 4.6 6.0 7.3 4.5 4.6 7.1 9.0 4.5 5.5 6.9 4.7
Eugenol 1355 1354 0.1        0.1 0.1 0.1 0.1  
α-Copaene 1372 1374    0.1     0.1 0.1 0.1 0.1   
(E)-Caryophyllene 1419 1417 2.9 3.3 3.8 3.6 3.0 3.3 5.7 5.1 4.1 4.3 6.3 4.8
trans-α-Bergamotene 1433 1432    0.1 0.1     0.1 0.1 0.1 0.2 0.2
Aromadendrene 1439 1439        0.1 0.1 0.1    
α-Humulene 1454 1452 0.4 0.3 0.5 0.4 0.3 0.3 0.8 0.8 0.5 0.6 0.9 0.7
γ-Muurolene 1479 1478   0.1 0.1 0.1   0.1 0.2 0.1 0.1 0.1 0.2 0.1
Germacrene D 1485 1484 0.4 0.3 0.6 0.5 0.3 0.3 0.7 0.8 0.4 0.6 0.9 0.7
γ-Amorphene 1497 1495        0.1 0.1 0.1 0.1 0.1  
α-Muurolene 1501 1500    0.1      0.1 0.1 0.1 0.1  
δ-Amorphene 1512 1511        0.1   0.1 0.1   
γ-Cadinene 1514 1513 0.1   0.1 0.1    0.2 0.1 0.1 0.1 0.1 0.1
δ-Cadinene 1524 1522 0.1 0.1 0.1 0.1   0.1 0.4 0.2 0.2 0.2 0.3 0.2
α-Cadinene 1538 1537     0.1    0.1 0.1 0.1 0.1   
Humulene epoxide II 1607 1608        0.3 0.3 0.2 0.3 0.3 0.3
α-Cadinol 1654 1652 0.2 0.1 0.2 0.2 0.1 0.1 0.1 0.1 0.1 0.1 0.1  
14-Hydroxi-9-epi-(E)-caryophyllene 1670 1668       0.1 0.1 0.1 0.1 0.1 0.1 0.1
Monoterpene hydrocarbons    13.1 12.5 16.7 18.5 12.8 12.4 13.3 13.5 18.5 21.6 18.7 21.4
Oxygenated monoterpenes    82.4 83.1 77.2 75.6 83.0 83.2 76.2 77.7 74.6 70.6 71.0 70.6
Sesquiterpene hydrocarbons    3.9 4.1 5.5 5.0 3.6 4.1 8.5 7.7 6.1 6.5 9.1 6.8
Oxygenated sesquiterpenes    0.2 0.1 0.2 0.2 0.1 0.1 0.5 0.5 0.4 0.5 0.5 0.4
Other compounds    0.2 0.1 0.1 0.2 0.1 0.1 0.2 0.2 0.3 0.2 0.2 0.3
Total (%)    99.8 99.9 99.7 99.5 99.6 99.9 98.7 99.6 99.9 99.4 99.5 99.5
  1. RIC: calculated retention index (DB-5 ms column); RIL: literature retention index (Adams [17]); Main constituents in italics