A review on the efficacy of Ocimum gratissimum, Mentha spicata, and Moringa oleifera leaf extracts in repelling mosquito

Beni-Suef University Journal of Basic and Applied Sciences

Table 7 Chemical composition of Mentha spicata L. essential oil. Source: [65]

Components	RI^a	% composition	Identification method^b
Monoterpene hydrocarbons		21.1
α-Pinene	938	1.2	RT GC MS
Camphene	954	0.2	RT* MS
Sabinene	974	0.6	RT* MS
β-Pinene	978	2.4	RT GC MS
Limonene	1035	16.2	RT* MS
E-β-Ocimene	1050	0.2	RT* MS
γ-Terpinene	1063	0.1	RT GC MS
Terpinolene	1080	0.2	RT GC MS
Oxygenated monoterpenes		71.2
1.8-Cineole	1036	7	RT GC MS
Z-sabinene hydrate	1067	0.1	RT GC MS
E-sabinene hydrate	1098	0.1	RT GC MS
Terpinen-4-ol	1178	3	RT GC MS
α-Terpineol	1188	2.3	RT GC MS
Dihydrocarveol	1194	0.6	RT GC MS
E-carveol	1217	0.9	RT GC MS
Carvone	1243	56.4	RT GC MS
Bornyl acetate	1288	0.2	RT GC MS
Z-jasmone	1395	0.3	RT GC MS
Sesquiterpene hydrocarbons		5.2
β-Burbonene	1383	1.2	RT GC MS
β-Cubebene	1390	0.1	RT GC MS
β-Elemene	1391	0.6	RT GC MS
α-Gurjunene	1410	0.2	RT GC MS
E-Caryophyllene	1419	1.5	RT GC MS
α-Humulene	1452	0.1	RT GC MS
γ-Gurjunene	1477	tr	RT GC MS
Germacrene D	1490	1.1	RT* MS
Bicyclogermacrene	1501	0.2	RT* MS
γ-Cardinene	1514	0.2	RT GC MS
δ-Cadinene	1523	0.1	RT GC MS
Oxygenated sesquiterpenes		0.7
Spathulenol	1578	0.3	RT GC MS
Caryophyllene oxide	1582	0.2	RT* MS
α-Cadinol	1654	0.1	RT GC MS
Aliphatic compounds		0.7
3-Octanol	991	0.7	RT GC MS
Total identified		98.9

The bold signifies the major component identified by GC-MS, others are the identified sub-components at different retention times which summed up to the total discovered in bold
^a,b Means of identification of samples