Characterization of the Volatile Components of Essential Oils of Selected Plants in Kenya

Table 2

Most abundant compounds in the major classes of volatile components.

S/no.	Chemical class	Individual compound	Tick berry	Mexican marigold	Ginger	Garlic
1	Terpene	Bicyclogermacrene	5.24	0.11	3.49	0.57
2	Steroid	Cholesterol	4.71	1.97		3.44
3	Terpene	3-Carene	4.36	0.39	2.89	0.08
4	Alkenol	(1R,7S,E)-7-Isopropyl-4, 10-dimethylenecyclodec-5-enol	3.96		2.74	0.60
5	Cycloalkane	Bicyclo[5.2.0]nonane,2-methylene-4,8,8-trimethyl-4-vinyl-	3.92		1.58
6	Ester	Chrysantenyl 2-methuylbutanoate		3.07
7	Alkaloid	Papaveroline, 1,2,3,4-tetrahydro-3-O-methyl-		3.02
8	Aromatic hydrocarbon	3,5-Dimethylanisole		3.01
9	Hydroquinone	t-Butylhydroquinone		2.96
10	Ester	Dodecanoic acid, 1,2,3-propanetriyl ester		2.85
11	Ketone	Corymbolone	0.53		3.59	0.86
12	Terpene	Zingiberene			3.55	0.32
13	Alkane	4,4-Dimethyl octane	3.34		3.21	0.04
14	Cycloalkanol	Cis-2-norbornanol			3.08
15	Organosulfur	Allyl(Z)-prop-1-enyl trisulfide				4.30
16	Terpene	2-((2R,4aR,8aS)-4a-Methyl-8-methylenedecahydronaphthalen-2-yl)prop-2-en-1-ol		0.06	2.29	3.93
17	Carbaldehyde	Longifolenaldehyde	0.59	0.93	0.21	3.86
18	Terpene	Nerolidol			0.12	3.63
19	Organosulfur	(E)-1-Methyl-2-(prop-1-en-1-yl) disulfane				3.40