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Table 4 Chemical composition and oil yields of Cochlospermum species

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

KIexpa KIlitb IDc Compoundsd C. planchonii C. tinctorium
% %
1025 1020 MS, RI p-Cymene 0.3  
1100 1099 MS, RI Undecane 0.1  
1154 1148 MS, RI Citronellal 0.2  
1183 1178 MS, RI Naphthalene 0.1  
1258 1249 MS, RI Piperitone 0.1  
1309 1305 MS, RI Undecanal 0.2  
1382 1389 MS, RI β-Elemene 1.0 0.6
1388 1398 MS, RI Cyperene 0.1 0.1
1400 1408 MS, RI Dodecanal 0.1 0.1
1405 1411 MS, RI Z-α-Bergamotene   0.1
1408 1417 MS, RI E-Caryophyllene   0.1
1425 1432 MS, RI E-α-Bergamotene   0.6
1437 1445 MS, RI Epi-β-Santalene   0.1
1492 1469 MS, RI 1-Dodecanol 0.5  
1493 1506 MS, RI Z-α-Bisabolene   0.3
1499 1505 MS, RI β-Bisabolene   2.2
1500 1499 MS, RI 2-Tridecanone 6.8 3.4
1505 1514 MS, RI Z-γ-Bisabolene   0.1
1512 1509 MS, RI Tridecanal 0.3  
1513 1511 MS, RI δ-Amorphene   0.1
1515 1524 MS, RI Methyl dodecanoate   0.5
1522 1529 MS, RI E-γ-Bisabolene   0.3
1578 1576 MS, RI Dodecanoic acid 1.2  
1576 1574 MS, RI Cyclododecanone   7.8
1585 1582 MS, RI Caryophyllene oxide 0.3 0.1
1598   MS 3-Tetradecanone 24.7 48.3
1599 1607 MS, RI Dodecyl acetate 4.9 2.0
1602 1611 MS, RI Tetradecanal   0.3
1663 1658 MS, RI Neo-Intermedeol 0.1  
1680 1685 MS, RI α-Bisabolol   0.1
1695 1671 MS, RI n-Tetradecanol 3.0  
1702 1697 MS, RI 2-Pentadecanone 5.7 0.7
1717 1722 MS, RI Methyl tetradecanoate   2.3
1775 1780 MS, RI Tetradecanoic acid 0.5  
1786   MS 3-Hexadecanone 2.0 7.4
1795 1795 MS, RI Ethyl tetradecanoate 11.4  
1798   MS 1-Tetradecanyl acetate   4.3
1818 1822 MS, RI Hexadecanal   0.6
1846 1844 MS, RI Isoamyl dodecanoate 14.1  
1874   MS Pentadecanol 2.0  
2003   MS 4-Octadecanone 2.2  
    Yields 0.2 0.2
    Total identified 81.9 82.5
  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.