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Table 1 Compounds found in the essential oil of Ageratum conyzoides L.

From: Anti-Ehrlichia properties of the essential oil of Ageratum conyzoides L. and its interaction with doxycycline

Compounds

RT

RI cal.

RI lit.

Area %

Camphene

5970

949

953

0.36

ɑ-Carene

7420

1003

1001

0.22

Bornyl acetate

18,675

1289

1287

0.25

Caryophyllene

24,190

1420

1417

5.1

Humulene

25,575

1455

1452

0.27

Precocene I

26,190

1470

1461

92.75

Bicyclogermacrene

27,340

1498

1500

0.29

Beta-sesquiphellandrene

28,395

1525

1521

0.39

Total identified (%)

   

99.63

  1. TR retention time, RI cal retention index calculated, RI lit retention index literature NIST (2011) and Adams (2012)