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Table 3 Chemical composition of the essential oils extracted from the leaves of O. basilicum and T. algeriensis

From: Chemical composition and bioactivity of essential oils and Ethanolic extracts of Ocimum basilicum L. and Thymus algeriensis Boiss. & Reut. from the Algerian Saharan Atlas

Constituents LRI O. basilicum
(%)
T. algeriensis
(%)
Method of identificationb
α-pinene 941 0.3 6.8 MS; LRI; RC
camphene 955 - a 0.8 MS; LRI; RC
sabinene 977 0.4 0.7 MS; LRI; RC
β-pinene 982 0.6 1.2 MS; LRI; RC
myrcene 993 1.3 1.2 MS; LRI; RC
3-octanol 994 -a - a MS; LRI; RC
α-terpinene 1020 - a - a MS; LRI; RC
p-cymene 1028 - a 0.3 MS; LRI; RC
limonene 1032 - a 2.7 MS; LRI; RC
1,8-cineole 1034 9.2 4.1 MS; LRI; RC
(Z)-β-ocimene 1042 0.7 - a MS; LRI; RC
(E)-β-ocimene 1052 0.5 1.5 MS; LRI; RC
γ-terpinene 1063 - a - a MS; LRI; RC
cis-sabinene hydrate 1070 - a - a MS; LRI; RC
terpinolene 1090 0.2 0.4 MS; LRI; RC
linalool 1101 52.1 1.2 MS; LRI; RC
nonanal 1104 - a - a MS; LRI; RC
pentylisovalerate 1108 0.1 - a MS; LRI
1-octen-3-yl acetate 1111 0.1 0.4 MS; LRI; RC
cis-p-menth-2-en-1-ol 1123 - a - a MS; LRI
3-octyl acetate 1126 0.2 - a MS; LRI; RC
α-campholenal 1127 - a 0.5 MS; LRI
camphor 1145 - a 1.1 MS; LRI; RC
trans-verbenol 1147 - a 0.5 MS; LRI; RC
δ-terpineol 1172 0.2 - a MS; LRI
4-terpineol 1179 0.1 0.5 MS; LRI; RC
α-terpineol 1191 5.7 4.9 MS; LRI; RC
cis-dihydrocarvone 1195 - a - a MS; LRI; RC
trans-carveol 1219 - a 0.4 MS; LRI; RC
(Z)-3-hexenyl isovalerate 1238 - a - a MS; LRI; RC
pulegone 1239 0.2 - a MS; LRI; RC
neral 1242 - a 0.2 MS; LRI; RC
carvone 1244 - a 0.3 MS; LRI; RC
linalyl acetate 1259 19.1 - a MS; LRI; RC
bornyl acetate 1287 - a 3.1 MS; LRI; RC
dihydroedulan IA 1292 - a - a MS; LRI
isodihydrocarvyl acetate 1329 - a - a MS; LRI
α-terpinyl acetate 1352 - a 47.4 MS; LRI; RC
cis-carvyl acetate 1364 - a - a MS; LRI; RC
neryl acetate 1365 1.8 9.6 MS; LRI; RC
geranyl acetate 1383 3.6 0.9 MS; LRI; RC
β-elemene 1392 - a - a MS; LRI
(Z)-jasmone 1395 - a - a MS; LRI; RC
β-caryophyllene 1419 1.0 0.6 MS; LRI; RC
β-copaene 1430 - a - a MS; LRI
aromadendrene 1440 - a - a MS; LRI; RC
α-humulene 1455 0.1 - a MS; LRI; RC
(E)-β-farnesene 1458 0.1 - a MS; LRI; RC
cis-muurola-4(14), 5-diene 1463 0.1 - a MS; LRI
germacrene D 1482 - a 0.6 MS; LRI
bicyclogermacrene 1496 - a MS; LRI
germacrene A 1505 - a - a MS; LRI
δ-cadinene 1524 - a - a MS; LRI
(E)-α-bisabolene 1542 - a 0.2 MS; LRI
(E)-nerolidol 1564 - a 3.5 MS; LRI
spathulenol 1577 - a - a MS; LRI
caryophyllene oxide 1582 0.1 0.9 MS; LRI; RC
viridiflorol 1591 0.4 - a MS; LRI
1, 10-di-epi-cubenol 1615 0.1 - a MS; LRI
T-cadinol 1641 - a - a MS; LRI
T-muurolol 1642 - a - a MS; LRI
Monoterpene hydrocarbons   4.0 15.6  
Oxygenated monoterpenes   92.0 74.7  
Sesquiterpene hydrocarbons   1.3 1.4  
Oxygenated sesquiterpenes   0.6 4.4  
Apocarotenes   0.0 0.0  
Non-terpene derivatives   0.4 0.4  
Total identified   98.3 96.5  
  1. a: not detected in the sample
  2. bmethod of identification: MS Mass spectrum, LRI Linear retention index, RC Reference compound