Table 4.

Chemical composition (%) of the cyclohexane extracts from Matricaria recutita white ray floret supercritical fluid extracts.

No	Compound b	RI a	FAF1	FAF2	FAF3	Formula b	Class
1	(E)-β-Farnesene	1444	2.10	5.90	0.67	C15H24	Sesquiterpenoids
2	Germacrene D	1481	0.19	0.75	0.11	C15H24	Sesquiterpenoids
3	β-Selinene	1486	n.d.	n.d.	0.06	C15H24	Sesquiterpenoids
4	Bicyclogermacrene	1495	n.d.	0.37	0.03	C15H24	Sesquiterpenoids
5	Spathulenol	1576	0.21	0.48	0.08	C15H24O	Sesquiterpenoids
6	α-Bisabolol oxide B	1655	1.10	2.28	0.34	C15H26O2	Tetrahydrofurans
7	α-Bisabolone oxide A	1679	0.65	1.65	0.22	C15H26O2	Tetrahydrofurans
8	α-Bisabolol oxide A	1744	1.38	2.53	0.65	C15H26O2	Tetrahydrofurans
9	cis-ene-yne-Dicycloether	1849	1.39	3.11	0.75	C13H12O2	Spiroethers
10	(E)-Tonghaosu	1902	0.29	0.60	0.14	C13H12O2	Spiroethers
11	Tetracosane	2400	2.27	10.54	n.d.	C24H50	Hydrocarbons
12	Hexacosane	2600	2.90	9.60	n.d.	C26H54	Hydrocarbons
13	Heptacosane	2700	6.52	12.08	0.21	C27H56	Hydrocarbons
14	Octacosane	2800	3.59	5.20	2.73	C28H58	Hydrocarbons
15	Nonacosane	2900	n.d.	n.d.	3.11	C29H60	Hydrocarbons
16	Tritriacontane	3300	n.d.	n.d.	6.23	C33H68	Hydrocarbons
17	Tetratriacontane	3400	n.d.	n.d.	3.69	C34H70	Hydrocarbons
18	Stigmasterol	3170	3.35	2.87	1.12	C29H48O	Sterols
19	Sitosterol	3173	1.22	1.39	0.51	C29H50O	Sterols
20	Taraxerol	2834	n.d.	n.d.	3.37	C30H50O	Triterpenes
21	Lupeol	3270	10.58	2.56	23.26	C30H50O	Triterpenes
22	Ψ-Taraxasterol	3290	n.d.	n.d.	0.7	C30H50O	Triterpenes
23	Taraxasterol	3293	2.31	0.69	5.9	C30H50O	Triterpenes
24	α-Amyrin	3328	24.04	2.97	15.32	C30H50O	Triterpenes
25	β-Amyrin	3337	30.97	5.13	20.24	C30H50O	Triterpenes
	Other compounds		4.94	29.3	10.56

^a Retention indexes (RI) determined on the HP-5MS capillary column. ^b Based on NIST (National Institute of Standards and Technology) MS Search 2.2 library. n.d.—not detected.