TABLE 1.

Major compounds identified in the lemon and ginger combination extract using GC-MS/MS method.

No	Compound	Formula	M.W	R.T	%
1	2-Heptanol	C7H16O	116.2	13.02	1.88
2	Tricyclene	C10H16	136	15.53	1.66
3	α-Pinene	C10H16	136	17.22	11.5
4	Camphene	C10H16	136	18.19	3.35
5	Sabinene	C10H16	136	18.54	2.26
6	B -Pinene	C10H16	136	19.25	2.9
7	Methylheptenone	C8H14O	126	20.54	1.6
8	o-Cymol	C10H14	134	21.8	1.1
9	Terpinolene	C10H16	136	22.0	0.75
10	Linalool	C10H18O	154	22.4	0.31
11	Trans-2-Pinanol	C10H18O	154	26.21	0.58
12	Camphore	C10H16O	152	26.4	0.80
13	Borneol	C10H18O	154	28.9	4.1
14	Terpinen-4-ol	C10H18O	154	29.9	5.4
15	Isogeranial	C10H16O	152	30.05	8.02
16	Cryptone	C9H14O	138	30.8	5.21
17	α-Terpineol	C10H18O	154	31.6	7.5
18	Myrtenol	C10H16O	152	32.0	2.85
19	Citronellol	C10H20O	156	32.4	1.6
20	Neral	C10H16O	152	32.8	4.4
21	Geraniol	C10H18O	154	33.2	3.75
22	Geranial	C10H16O	152	33.82	3.02
23	Bornyl acetate	C12H20O2	196	33.97	1.51
24	δ-elemene	C15H24	204	34.40	4.06
25	Citronellyl acetate	C12H22O2	198	35.01	3.95
26	α-Cubene	C8H6	102	35.45	2.11
27	Aryl-curcumene	C15H22	202	35.48	1.02
28	α-Funebrene	C15H24	204	36.02	5.8
29	Cubenol	C15H26O	222	36.48	2.22
30	Epiglobulol	C15H26O	222	37.44	1.5
31	Viridifloral	C15H24O	220	37.89	0.73
32	Limonene	C12H10	154.21	37.99	0.41

GC-MS/MS, gas chromatography coupled to the tandem mass spectrometry; MW, molecular weight, RT, retention time.