Phytochemistry and acute toxicity from the roots of Lippia alba

Figures & data

Table 1.  Percent composition of the oil extract from the leaves of Lippia alba.

Compound	Percentage (%)^a
m-ethyl toluene	0.6
hemimellitene	7.9
d-limonene	5.1
β-citral	22.8
carvone	9.4
citral	44.8
β-farnesene	0.2
germacrene D	5.7
β-eudesmene	0.9
α-muurolene	0.2
cis-geraniol	0.1
α-cubenene	0.8
patchoulane	1.5

^aGiven in relative percent, compounds in this table make up 23.1% of the total compounds in the petroleum ether extract. Compounds are listed in order of their elution from a PE-5MS column.

Table 2.  Percent composition of the oil extract from the roots of Lippia alba.

Compound	Percentage (%)^a
Ψ-cumene	3.4
hemimelitene	16.1
2-ethyl-p-xylene	4.1
durene	33.4
patchoulane	19.4
carvone	23.7

^aGiven in relative percent, compounds in this table make up 1.3% of the total compounds in the petroleum ether extract. Compounds are listed in order of their elution from a PE-5MS column.

Figure 1.  Dose-response curve for determination of the LD₅₀ dose for acute toxicity of the aqueous extract of Lippia alba (Mill.) N.E. Brown in mice.