Table 1.

Chemical composition of the essential oil of R. crenulata.

NO.	Compound	Molecular Formula	Retention Time (Rt)	Relative Amount (%)
1	3-Methyl-1-buten-3-ol	C5H10O	2.23	2.921
2	Prenol	C5H10O	4.31	4.211
3	Hexanal	C6H12O	4.67	0.042
4	1-Hexanol	C6H14O	6.55	2.423
5	6-Methyl-5-hepten-2-one	C8H14O	9.98	0.138
6	6-Methyl-5-hepten-2-ol	C8H16O	10.52	13.151
7	2-Phenylethanal	C8H8O	11.79	0.105
8	1-Octanol	C8H18O	13.4	42.217
9	l-Linalool	C10H18O	13.88	3.886
10	Linalyl propionate	C13H22O2	16.37	0.334
11	Myrtenol	C10H16O	16.57	0.889
12	n-Octyl acetate	C10H20O2	16.83	0.274
13	(R)-(+)-beta-Citronellol	C10H20O	17.39	1.416
14	Geraniol	C10H18O	18.51	19.914
15	1-Decanol	C10H22O	18.77	3.35
16	p-Cymen-7-ol	C10H14O	19.26	0.174
17	Theaspirane B	C13H22O	19.39	0.074
18	Perillol	C10H16O	19.47	0.155
19	trans, trans-2,4-Nonadienal	C9H14O	19.82	0.23
20	p-Mentha-1,4-dien-7-ol	C10H16O	20.22	0.054
21	2,6,6-Trimethyl-1- cyclohexene-1-ethanol	C11H20O	20.33	0.061
22	Eugenol	C10H12O2	20.94	0.08
23	Geranyl acetate	C12H20O2	21.51	0.222
24	Dihydro-beta-ionone	C13H22O	22.94	0.056
25	Dihydro-beta-ionol	C13H24O	23.23	1.407
26	alpha-Cedrol	C15H26O	27.05	0.067
27	Hexadecanoic acid	C16H32O2	32.27	0.27