Comparative Phytochemical Analyses of Resins of Boswellia Species (B. papyrifera (Del.) Hochst., B. neglecta S. Moore, and B. rivae Engl.) from Northwestern, Southern, and Southeastern Ethiopia

Table 4

Chemical compositions (%) of essential oils of three of B.  papyrifera resins.

Retention time (min)	Components	Metekel	Metema	Humera*
		%	%	%
6.4	𝛼-Pinene	0.9	2.0	2.3
10.4	Limonene	1.4	2.1	3.8
11.1	n-Octanol	3.4	4.7	8.8
12.1	Linalool	1.0	1.1	2.1
15.8	Octyl acetate	57.1	65.7	60.4
18.1	Geraniol	1.4	0.8	2.5

∗Components identified from the essential oil of same sample reported in our previous study [13].