Chemical composition and antibacterial activity of essential oils of Lantana camara, Ageratum houstonianum and Eupatorium adenophorum

Figures & data

Table 1.  Chemical composition (% amount in parenthesis) of essential oils of Lantana camara, Ageratum houstonianum and Eupatorium adenophorum.

Lantana camara	Ageratum houstonianum	Eupatorium adenophorum
β-phellandrene (0.34)	α-copaene (0.1)	α-phellandrene (3.85)
sylvestrene (0.44)	β-cubebene (1.37)	limonene (0.56)
sabinene (0.24)	linalool (0.12)	bornyl acetate (8.98)
α-ocimene (0.4)	linalyl acetate (0.11)	t-α-bergamotene (1)
cis-3-hexenol (0.5)	isobornyl formate (0.17)	β-caryophyllene (2.38)
3-octanol (0.17)	sesquithujene (0.08)	(Z,Z)-β-farnesene (0.61)
1-octene-3-ol ( 2.19)	β-caryophyllene (9.66)	epizonaren (2.11)
α-copaene ( 0.37)	(Z)-β- farnesene (0.09)	(Z,E)-β-farnesene (2.77)
linalool (1.81)	α-humulene (0.8)	γ-curcumene (1.67)
linalyl acetate ( 0.19)	germacrene-D (1.23)	germacrene-D (5.74)
β-caryophyllene (12.28)	epi-bicyclosesquiphellandrene (0.52)	alloaromadendrene (1.06)
α-humulene (3.99)	cyclosativene (0.16)	camphene (1.01)
7,11-dimethyl-3-methylene-	cis-α-bisabolene (0.23)	β-bisabolene (6.16)
1,6,10-dodecatriene (1.11)	β-sesquiphellandrene (1.57)	β-sesquiphellandrene (1.7)
γ-curcumene (7.5)	α-murrolol (0.24)	cis-α-bisabolene (0.79)
germacrene-D (1.44)	caryophyllene oxide (0.33)	caryophyllene oxide (0.57)
zingiberene (7.63	cubenol (0.14)	(E,E)-β-farnesene (1.08)
bicyclogermacrene (1.4)	precocene-I (22.45)	elemol (1.03)
β-curcumene (2.42)	thujopsan-2-ol (0.06)	1-napthalenol (17.5)
epi-cubebol (0.29)	longipinanol (1.18)	guaiol (0.93)
murrolol (0.8)	androencecalinol (0.3)	t-cadinol (1.54)
caryophyllene oxide (0.54)	precocene-II (52.64)	β-bisabolol (0.72)
longipinanol (0.3)	desmethoxyencecalin (0.78)	cedrene-13-ol acetate (2.58)
α-bisabolol (0.24)	kessane (0.28)	α-bisabolol (9.53)
humulene epoxide II (0.21)	phytol (0.2)	α-cadinol (0.59)
3, 7, 11-trimethyl-1,6,
10-dodecatriene (28.86)		carotol (1.17)
t-sesquisabinene hydrate (1.23)		lynestrenol (0.51)
valerianol (0.3)		acorenone (2.88)
Τ-cadinol (0.41)		di-epi-α-cedrene (2.98)
cis-sesquisabinene hydrate (0.53)
ipsdienol (0.35)
α-cadinol (0.35)
phytol (1.47)
dihydrolinalyl acetate (0.13)
Total identification: 83.91%	Total identification: 94.51%	Total identification: 84.95%

Table 2.  Antibacterial activity of essential oils of Lantana camara, Ageratum houstonianum and Eupatorium adenophorum.

Microorganism	MBC (μL/mL)			MBC (μg/mL)
	LC	AH	EA	TR	SP
Arthrobacter protophormiae	50	No inhibition*	200	12.5	12.5
MTCC no. 2682
Escherichia coli	No inhibition*	No inhibition*	100	No inhibition	25
MTCC no. 739
Micrococcus luteus	25	100	100	100	100
MTCC no. 106
Rhodococcus rhodochrous	12.5	12.5	12.5	100	50
MTCC no. 265
Staphylococcus aureus	200	No inhibition*	200	200	200
MTCC no. 26

LC, Lantana camara; AH, Ageratum houstonianum; EA, Eupatorium adenophorum; TR, tetracycline; SP, streptomycin. *At 200 μL/mL; MBC, minimum bactericidal concentration.