Table 4.

Composition of the essential oil of Henna by GS / MS

Family	Compound	Composition (%)	Retention time (min)	Level of identification (%)
Monoterpene hydrocarbon	α- limonene	55.06	9.150	99
	β-limonene	24.06	8.420	99
	L-limonene	0.4	9.799	97
	β–ocimene	0.91	9.595	96
	β–myrcene	2.28	7.952	97
	β –thujone	0.26	11.441	96
	α –pinene	0.16	6.400	97
	β-pinene	0.54	7.500	97
	bicyclogermacrene	0.15	21.486	98
Phtalate	Di-phthalate	3.05	40.904	91
Alcohol	Linalool	1.58	11.027	97
	α–linalool	0.83	10.665	91
	Linalool oxide	0.88	10.228	91
	Dodecanol	0.18	19.406	90
	Epimanool	0.18	33.068	78
Terpene	Linalylacetate	1.25	15.307	91
	Geranylacetate	0.87	18.720	91
	Linalyl propionate	0.81	13.589	91
	Camphor	0.27	11.916	98
	Linalyl	0.26	18.215	91
Sesquiterpeniccarbides	Germacrene	0.95	21.124	99
Sesquiterpene	β -caryophyllene	0.81	19.572	99
	α –humulene	0.32	20.423	98
Ketone	Bi-cycloheptanone	0.61	12.187	98
	2-naphtalenone	0.16	28.576	96
Aldehyde	Caprinicaldehyde	0.60	13.973	87
AlcoholicSesquiterpene	Veridiflorol	0.44	23.784	99
Sesquiterpenealcoholic	Farnesol	0.39	23.151	94
Monoterpenecarbides	Camphene	0.13	17.967	60
Alcane	isotetradecane	0.14	19.052	70