The Aroma Composition of Baby Ginger Paocai

Table 1

The volatile compounds of the two baby ginger samples by GC-MS analysis.

Number	Compounds	RI	CAS#	Baby ginger paocai		Fresh baby ginger		Chemical		Differences between the two samples
				AC (mg/kg)	RC (%)	AC (mg/kg)	RC (%)
(1)	(−)-α-Pinene	944	007785-26-4	6.901 ± 6.347	0.74	9.921 ± 7.189	0.49	Olefine	MH
(2)	Camphene	958	000079-92-5	18.213 ± 15.496	1.95	22.929 ± 14.985	1.14	Olefine	MH
(3)	β-Pinene	985	000127-91-3	2.646 ± 1.769	0.28	5.069 ± 1.242	0.25	Olefine	MH
(4)	β-Myrcene	1001	000123-35-3	34.840 ± 12.080	3.74	35.733 ± 14.751	1.78	Olefine	MH
(5)	α-Phellandrene	1013	000099-83-2	3.592 ± 1.934	0.39	10.169 ± 2.447	0.51	Olefine	MH
(6)	α-Terpinene	1023	000099-86-5	0.967 ± 0.052	0.1	1.137 ± 0.672	0.06	Olefine	MH
(7)	2-Carene	1024	000554-61-0	1.734 ± 0.154	0.19	2.169 ± 0.391	0.11	Olefine	SH
(8)	Eucalyptol	1035	000470-82-6	26.255 ± 0.867	2.82	8.365 ± 6.259	0.42	Alcohol	OCM
(9)	trans-β-Ocimene	1044	003779-61-1	8.355 ± 3.512	0.9	11.688 ± 5.252	0.58	Olefine	MH
(10)	Z-Ocimene	1054	003338-55-4	11.267 ± 2.565	1.21	15.886 ± 5.012	0.79	Olefine	MH
(11)	γ-Terpinene	1063	000099-85-4	1.388 ± 1.228	0.15	1.411 ± 1.003	0.07	Olefine	MH
(12)	Terpinolene	1092	000586-62-9	5.555 ± 4.713	0.6	10.240 ± 6.364	0.51	Olefine	MH
(13)	Linalool	1105	000078-70-6	6.344 ± 2.529	0.68	11.312 ± 0.428	0.56	Alcohol	OCM
(14)	(4E,6Z)-allo-Ocimene	1132	007216-56-0	1.884 ± 0.870	0.2	3.058 ± 1.202	0.15	Olefine	MH
(15)	(−)-Terpinen-4-ol	1181	020126-76-5	2.994 ± 0.597	0.32	3.499 ± 0.230	0.17	Alcohol	OCM
(16)	Cryptone	1189	000500-02-7	2.497 ± 0.857	0.27	nd		Ketone	Other
(17)	α-Terpineol	1196	000098-55-5	6.271 ± 0.738	0.67	10.614 ± 0.382	0.53	Alcohol	OCM
(18)	Decanal	1205	000112-31-2	1.226 ± 0.566	0.13	nd		Aldehyde	Other
(19)	Acetic acid, octyl ester	1210	000112-14-1	4.347 ± 1.325	0.47	1.175 ± 0.201	0.06	Ester	Other
(20)	cis-citral	1238	000106-26-3	45.425 ± 2.278	4.87	14.314 ± 7.268	0.71	Aldehyde	OCM
(21)	Geraniol	1260	000106-24-1	76.354 ± 23.820	8.19	116.402 ± 4.987	5.78	Alcohol	OCM
(22)	trans-citral	1271	000141-27-5	78.771 ± 2.787	8.45	67.512 ± 1.272	3.35	Aldehyde	OCM
(23)	Bornyl acetate	1283	000076-49-3	7.327 ± 1.229	0.79	7.855 ± 1.270	0.39	Ester	OCM
(24)	2-Undecanone	1292	000112-12-9	1.363 ± 0.315	0.15	1.121 ± 0.187	0.06	Ketone	Other
(25)	Methyl geranate	1321	002349-14-6	4.187 ± 0.854	0.45	1.108 ± 0.191	0.06	Ester	OCM
(26)	α-Cubebene	1342	017699-14-8	1.421 ± 0.479	0.15	2.057 ± 1.659	0.1	Olefine	SH
(27)	2,6-Octadiene,2,6-dimethyl-	1349	002792-39-4	20.255 ± 7.063	2.17	20.745 ± 10.698	1.03	Olefine	MH
(28)	(+)-Cyclosativene	1356	022469-52-9	1.868 ± 1.426	0.2	2.745 ± 1.409	0.14	Olefine	SH
(29)	Neryl acetate	1360	000141-12-8	4.522 ± 1.680	0.49	4.640 ± 2.745	0.23	Ester	OCM
(30)	.alfa.-Copaene	1367	1000360-33-0	5.442 ± 4.577	0.58	9.635 ± 6.294	0.48	Olefine	MH
(31)	Geranyl acetate	1387	000105-87-3	262.248 ± 69.539	28.14	122.273 ± 20.639	6.07	Ester	OCM
(32)	3-Decen-1-ol, acetate, (Z)-	1393	081634-99-3	1.815 ± 0.419	0.19	nd		Ester	Other
(33)	Ethyl geranate	1395	032659-21-5	2.039 ± 0.106	0.22	nd		Ester	OCM
(34)	2,6-Octadienoic acid, 3,7-dimethyl-, ethyl ester	1397	013058-12-3	1.633 ± 0.788	0.18	nd		Ester	OCM
(35)	(E)-2-Decenyl acetate	1407	002497-23-6	1.680 ± 0.480	0.18	nd		Ester	Other
(36)	Caryophyllene	1411	000087-44-5	3.419 ± 1.501	0.37	4.197 ± 1.024	0.21	Olefine	SH
(37)	β-Cubebene	1420	013744-15-5	1.402 ± 0.299	0.15	2.332 ± 2.083	0.12	Olefine	SH
(38)	γ-Elemene	1426	029873-99-2	1.021 ± 0.823	0.11	15.977 ± 5.546	0.79	Olefine	SH
(39)	α-Bergamotene	1427	017699-05-7	1.963 ± 1.241	0.21	2.366 ± 0.565	0.12	Olefine	SH
(40)	α-Gurjunene	1439	000489-40-7	7.720 ± 4.677	0.83	18.825 ± 2.127	0.94	Olefine	SH
(41)	Humulene	1442	006753-98-6	0.934 ± 0.123	0.1	1.261 ± 1.218	0.06	Olefine	SH
(42)	Alloaromadendrene	1449	025246-27-9	10.019 ± 6.700	1.08	15.264 ± 10.124	0.76	Olefine	SH
(43)	γ-Muurolene	1467	030021-74-0	4.231 ± 1.549	0.45	12.588 ± 4.930	0.63	Olefine	SH
(44)	Curcumene	1478	000644-30-4	58.679 ± 28.671	6.3	60.331 ± 38.828	3	Olefine	SH
(45)	β-Selinene	1482	017066-67-0	10.802 ± 1.776	1.16	15.428 ± 10.440	0.77	Olefine	SH
(46)	γ-Cadinene	1488	039029-41-9	24.059 ± 11.612	2.58	31.411 ± 5.120	1.56	Olefine	SH
(47)	α-Muurolene	1491	031983-22-9	5.260 ± 1.698	0.56	6.361 ± 0.895	0.32	Olefine	SH
(48)	δ-Cadinene	1503	000483-76-1	2.414 ± 0.797	0.26	2.632 ± 0.060	0.13	Olefine	SH
(49)	β-Bisabolene	1505	000495-61-4	99.141 ± 43.066	10.64	106.968 ± 24.872	5.31	Olefine	SH
(50)	β-Sesquiphellandrene	1520	020307-83-9	27.614 ± 0.862	2.96	150.857 ± 60.224	7.49	Olefine	SH
(51)	α-Calacorene	1534	021391-99-1	0.597 ± 0.180	0.06	0.658 ± 0.463	0.03	Olefine	SH
(52)	Sesqui rosefuran	1548	039007-93-7	0.260 ± 0.128	0.03	nd		Furan	OCS
(53)	(E)-Nerolidol	1560	040716-66-3	4.120 ± 1.205	0.44	4.401 ± 1.579	0.22	Alcohol	OCS
(54)	.gamma.-Eudesmol	1608	1000374-18-5	0.614 ± 0.138	0.07	0.939 ± 0.433	0.05	Alcohol	OCM
(55)	Eudesma-4(14)-en-11-ol	1645	000473-15-4	0.586 ± 0.294	0.06	1.596 ± 1.537	0.08	Alcohol	OCS
(56)	4-(1,5-Dimethylhex-4-enyl)cyclohex-2-enone	1689	001723-80-4	2.140 ± 1.864	0.23	nd		Ketone	Other
(57)	Farnesol, acetate	1845	1000352-67-2	0.773 ± 0.244	0.08	0.284 ± 0.142	0.01	Ester	OCS
(58)	(E,E)-Farnesyl acetate	1847	004128-17-0	0.427 ± 0.170	0.05	2.261 ± 0.089	0.11	Ester	OCS
(59)	(+)-4-Carene	1025	029050-33-7	nd		2.936 ± 2.493	0.15	Olefine	SH
(60)	β-Phellandrene	1037	000555-10-2	nd		131.863 ± 20.984	6.55	Olefine	SH
(61)	Cyclopropane, pentyl-	1083	002511-91-3	nd		1.414 ± 0.781	0.07	Alkane	Other
(62)	1-Octanol	1084	000111-87-5	nd		0.610 ± 0.143	0.03	Alcohol	Other
(63)	Cycloheptane, 1,3,5-tris(methylene)-	1138	068284-24-2	nd		0.395 ± 0.159	0.02	Olefine	SH
(64)	Borneol	1176	000507-70-0	nd		3.344 ± 0.873	0.17	Alcohol	OCM
(65)	Citronellol	1232	000106-22-9	nd		32.434 ± 11.441	1.61	Alcohol	OCM
(66)	Geranyl formate	1301	000105-86-2	nd		0.241 ± 0.101	0.01	Ester	OCM
(67)	2,6-Octadien-1-ol, 3,7-dimethyl-, acetate	1317	016409-44-2	nd		0.909 ± 0.256	0.05	Ester	OCM
(68)	δ-Elemene	1331	020307-84-0	nd		5.823 ± 4.249	0.29	Olefine	SH
(69)	Ylangene	1363	014912-44-8	nd		2.941 ± 2.435	0.15	Olefine	SH
(70)	β-Elemene	1389	000515-13-9	nd		11.249 ± 1.930	0.56	Olefine	SH
(71)	.beta.-Ylangene	1413	1000374-19-1	nd		1.857 ± 1.288	0.09	Olefine	SH
(72)	cis-β-Farnesene	1451	028973-97-9	nd		10.735 ± 1.951	0.53	Olefine	SH
(73)	beta.-Curcumene	1457	1000374-17-4	nd		4.085 ± 2.934	0.2	Olefine	SH
(74)	cis-Muurola-3,5-diene	1464	1000365-95-4	nd		5.732 ± 0.505	0.28	Olefine	SH
(75)	β-Himachalene	1474	001461-03-6	nd		196.378 ± 89.595	9.76	Olefine	SH
(76)	Zingiberene	1496	000495-60-3	nd		378.829 ± 155.018	18.82	Olefine	SH
(77)	α-Farnesene	1510	000502-61-4	nd		213.335 ± 104.636	10.6	Olefine	SH
(78)	Naphthalene, 1,2,4a,5,6,8a-hexahydro-4,7-dimethyl-1-(1-methylethyl)-,[1R-(1.alpha.,4a.alpha.,8a.alpha.)]-	1529	017627-24-6	nd		2.708 ± 0.948	0.13	Olefine	SH
(79)	Selina-3,7(11)-diene	1532	006813-21-4	nd		1.738 ± 1.245	0.09	Olefine	SH
(80)	Elemol	1543	000639-99-6	nd		3.891 ± 2.029	0.19	Alcohol	OCS
(81)	α-Patchoulene	1551	000560-32-7	nd		1.124 ± 0.818	0.06	Olefine	SH
(82)	1R,4S,7S,11R-2,2,4,8-Tetramethyltricyclo[5.3.1.0(4,11)]undec-8-ene	1587	1000140-07-6	nd		0.237 ± 0.067	0.01	Olefine	SH
(83)	1H-Cycloprop[e]azulene, decahydro-1,1,7-trimethyl-4-methylene-	1588	072747-25-2	nd		1.928 ± 0.932	0.1	Olefine	SH
(84)	8-epi-.gamma.-Eudesmol	1609	1000374-18-4	nd		1.816 ± 1.604	0.09	Alcohol	OCS
(85)	α-Eudesmol	1649	000473-16-5	nd		0.944 ± 0.821	0.05	Alcohol	OCS
(86)	Geranyl-p-cymene	1960	1000374-15-6	nd		1.580 ± 1.202	0.08	Olefine	SH

Note. RI: retention indexes; AC: absolute content (mass concentration) which was shown in “mean ± standard deviation”; RC: relative content; nd: not detected; MH: monoterpene hydrocarbons; SH: sesquiterpene hydrocarbons; OCM: oxygen-containing monoterpene; OCS: oxygen-containing sesquiterpenes; other: other compound; Differences between the two samples: the meaning of “” is not significant ; the meaning of “” is significant ; the meaning of “” is extremely significant .