Table 6.

Interpretation of GC-MS analysis: identified compounds that are contained in EHX only.

Peak no.	RT/min	Compound	Molecular formula	Molecular weight	Area%
5	11.25	Himachala-2,4-diene	C15H24	204.35	1.02
7	12.05	Parthenolide	C15H20O3	248.31	2.07
8	12.08	Arteannuin b	C15H20O3	248.31	3.61
9	12.35	Epiglobulol	C15H26O	222.36	4.20
10	12.54	4,4,5,8-Tetramethyl-chroman-2-one	C13H16O2	204.26	5.03
11	12.71	Pyridine, 2-butyl	C9H13 N	135.2	22.48
12	12.87	2,4,6-Trimethyl-1,3-phenylenediamine	(CH3)3C6H(NH2)2	150.22	0.91
13	13.15	1S,2S,5R-1,4,4-Trimethyltricyclo[6.3.1.0(2,5)]dodec-8(9)-ene	C15H24	204.35	5.77
15	13.32	Spathulenol	C15H24O	220.35	10.12
16	13.4	4-Camphenylbutan-2-one	C14H22O	206.32	4.79
18	15.65	Squalene	C30H50	410.71	1.32