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Table 2 Chemical composition and oil yields of Cymbopogon species

From: Chemical composition and insecticidal activity of plant essential oils from Benin against Anopheles gambiae (Giles)

KIexpa KIlitb IDc Compoundsd Cymbopogon citratus Cymbopogon giganteus Cymbopogon schoenanthus
% % %
978 974 MS, RI Sulcatone 0.5   
982 988 MS, RI Myrcene 12.4   
984 988 MS, RI 2,3-Dehydro-1,8-cineole   0.1 0.1
995 1001 MS, RI δ-2-Carene   0.1 15.5
998 1002 MS, RI α-Phellandrene    0.2
1009 1014 MS, RI α-Terpinene    0.2
1017 1020 MS, RI p-Cymene   0.5 0.1
1020 1024 MS, RI Limonene   9.6 3.6
1029 1032 MS, RI Z-β-Ocimene 0.3   0.1
1039 1044 MS, RI E-β-Ocimene 0.2   0.1
1081 1083 MS, RI L-Fenchone    0.2
1082 1082 MS, RI m-Cymenene   0.2  
1085 1090 MS, RI 6,7-Epoxymyrcene 0.2   
1093 1095 MS, RI Linalool 1.1   
1114 1118 MS, RI Z-p-menth-2-en-1-ol    1.4
1116 1119 MS, RI E - p -Mentha-2,8-dienol   19.3  
1129 1133 MS, RI Z - p -Mentha-2,8-dienol   10.2  
1132 1136 MS, RI E-p-menth-2-en-1-ol    0.7
1138 1144 MS, RI Neo-Isopulegol   0.1  
1145 1148 MS, RI Citronellal 0.1 0.7  
1148   MS 4-Isopropenylcyclohexanone   0.4  
1160 1166 MS, RI p-mentha-1,5-dien-8-ol    0.1
1168 1173 MS, RI Rose furan epoxide 0.2   
1180 1179 MS, RI p-Cymen-8-ol    0.1
1183 1186 MS, RI α-Terpineol    1.5
1183 1187 MS, RI E -p-Mentha-1(7),8-dien-2-ol   19.6  
1188 1195 MS, RI Z-Piperitol    0.3
1194   MS p-Menth-6-en-2,3-diol   3.2  
1201 1209 MS, RI E-Piperitol    0.2
1212 1215 MS, RI E-Carveol   6.0  
1216 1224 MS, RI 2,3-Epoxyneral 0.1   
1224 1226 MS, RI Z -Carveol   17.0  
1225 1227 MS, RI Z-p-Mentha-1(7),8-dien-2-ol   2.1  
1237 1235 MS, RI Neral 33.1   
1237 1239 MS, RI Carvone   3.2  
1253 1249 MS, RI Piperitone   0.1 58.9
1257 1249 MS, RI Geraniol 1.0   
1266 1269 MS, RI Perilla aldehyde   0.8  
1268 1264 MS, RI Geranial 44.3   
1286 1293 MS, RI 2-Undecanone 0.1   
1351 1359 MS, RI Geranic acid 0.1   
1376 1379 MS, RI Geranyl acetate 0.8   
1382 1389 MS, RI β-Elemene    0.4
1408 1417 MS, RI E-Caryophyllene 0.1   1.1
1421 1431 MS, RI β-Gurjunene    0.1
1443 1452 MS, RI α-Humulene    0.1
1486 1495 MS, RI 2-Tridecanone 0.1   
1490 1500 MS, RI α-Muurolene    0.1
1503 1513 MS, RI γ-Cadinene    0.1
1513 1522 MS, RI δ-Cadinene    0.4
1540 1546 MS, RI Elemol    5.3
1571 1582 MS, RI Caryophyllene oxide 0.1 0.1  
1595 1607 MS, RI 5-Epi-7-epi-α-eudesmol    0.3
1609 1622 MS, RI 10-Epi-γ-eudesmol    0.2
1609 1615 MS, RI Selina-6-en-4-ol 0.4   
1636 1640 MS, RI Phenyl ethyl hexanoate   0.1  
1623 1630 MS, RI γ-Eudesmol    1.1
1626 1629 MS, RI Eremoligenol    1.9
1634 1640 MS, RI Hinesol    0.7
1643 1649 MS, RI β-Eudesmol    1.2
1646 1652 MS, RI α-Eudesmol    2.1
    Yields 1.7 1.4 2.6
    Total identified 95.2 93.4 98.4
  1. aKIexp = retention indices are determined using n-alkanes (C7-C17).
  2. bKIlit = retention indices of reference compounds from literature.
  3. cID = Identification methods; MS = comparison of the mass spectrum with those of the computer mass libraries, and Adams (2007); RI = comparison of calculated RI with those reported in the literature.
  4. dCompounds are listed in order of their retention time; the names and the percentages of main compounds are indicated in bold.