Stability Study of Algerian Nigella sativa Seeds Stored under Different Conditions

Table 1

Volatile compounds detected in N. sativa whole and ground seeds by HS-GC/MS analysis.

Peak number	Compound	LRI^a	LRI^b	RT (min)	Peak area whole seed		Peak area ground seed
					[×10^7]	[%]	[×10^7]	[%]
(1)	2-Thujene	927	930	6.31	81.95	7.85	2624.14	21.21
(2)	α-Pinene, (D)-	934	939	6.49	18.18	1.74	864.63	6.99
(3)	Sabinene	974	975	7.46	22.83	2.19	958.07	7.74
(4)	β-Pinene-(1S)-(−)	979	979	7.57	2.90	0.28	39.89	0.32
(5)	p-Cymene	1026	1025	8.81	259.63	24.86	3995.28	32.29
(6)	D-Limonene	1030	1029	8.92	33.37	3.20	428.32	3.46
(7)	γ-Terpinene	1059	1060	9.76	4.02	0.38	529.99	4.28
(8)	Terpinolene	1089	1089	10.57	4.19	0.40	29.67	0.24
(9)	cis-4-methoxy thujane	1098	—	10.79	8.17	0.78	200.61	1.62
(10)	trans-4-methoxy thujane	1121	—	11.43	34.48	3.30	777.74	6.29
(11)	1,3,8-p-Menthatriene	1139	1110	11.97	2.10	0.20	22.59	0.18
(12)	Pyranone	1151	—	12.18	2.56	0.25	5.90	0.05
(13)	Ethanone, 1-(1,4-dimethyl-3-cyclohexen-1-yl)-	1168	—	10.44	4.26	0.43	52.42	0.43
(14)	Terpinen-4-ol	1183	1177	13.07	6.91	0.66	69.29	0.56
(15)	p-Cymen-8-ol	1191	1183	13.60	3.23	0.31	17.00	0.14
(16)	β-Cyclocitral	1207	—	13.80	7.735	0.74	121.53	0.98
(17)	2,6-Octadiene,1-(1-ethoxyethoxy)-3,7-dimethyl-	1222	—	14.22	1.47	0.14	10.45	0.08
(18)	D-Carvone	1249	1243	14.92	171.45	16.42	37.03	0.30
(19)	Thymoquinone	1255	1252	15.22	180.19	17.25	1013.95	8.19
(20)	Bornyl acetate	1288	1289	13.60	8.94	0.86	19.70	0.16
(21)	Carvacrol	1311	1299	16.43	64.36	6.16	151.11	1.22
(22)	α-Longipinene	1357	1353	17.84	10.56	1.01	77.14	0.62
(23)	α-Copaene	1382	1377	18.47	8.36	0.80	12.16	0.10
(24)	Longifolene	1415	1408	19.31	42.86	4.10	239.10	1.93
(25)	Phenol, 4-methoxy-2,3,6-trimethyl-	1573	—	22.77	59.68	5.71	75.21	0.61

LRI^a: acquired linear retention indices; RT: retention time.
^b [11]; putative compounds.