Table 3.

Chemical composition of Cyperus oil.

Peak No.	Retention Time (min)	Identified Compound	CAS	Relative Content (%)
1	4.479	trans-(−)-Pinocarveol	547-61-5	0.77
2	5.565	(−)-Myrtenol	19894-97-4	0.97
3	9.067	B-Damascone	35044-68-9	0.97
4	10.640	7-(1,1-Dimethylethyl)-3,4-dihydro-1(2H)-naphthalenone	22583-68-2	1.59
5	11.245	α-Cubebene	17699-14-8	1.08
6	12.337	Cyperene	2387-78-2	27.69
7	15.287	Rotundene	1000374-17-0	3.52
8	16.937	β-Eudesmene	17066-67-0	3.04
9	19.774	4-(4-Methoxyphenyl)iminopentan-2-one	20010-38-2	5.94
10	24.629	Caryophyllene oxide	1139-30-6	7.90
11	28.641	9H-Cycloisolongifolene, 8-oxo-	1000155-43-0	3.83
12	37.046	(−)-Isolongifolen-9-one	26839-52-1	3.95
13	38.874	Dehydrofukinone	19598-45-9	27.54
14	45.599	1,2,3,4,5,6-Hexahydro-1,1,5,5-tetramethyl-7H-2,4a-methanonaphthalen-7-one	23747-14-0	3.26
15	46.987	α-Cyperone	473-08-5	7.94