Analysis of Volatile Components in Tremella fuciformis by Electronic Nose Combined with GC-MS

Table 2

Composition of volatile components of T. fuciformis.

Number	Compound name	Molecular formula	Relative content/%				RI value	Literature
			Hebei	Henan	Sichuan	Fujian
Alcohols
1	Pentyl alcohol	C5H12O	1.22	1.12	—	0.95	761	[30]
2	2-Ethyl-1-decanol	C12H26O	0.02	—	—	—	1393
3	1-Hexanol	C6H14O	0.57	—	—	0.02	860	[20]
4	1-Octen-3-ol	C8H16O	0.38	—	—	—	969	[20]
5	Eucalyptol	C10H18O	5.00	—	—	—	1059
6	Linalol	C10H18O	0.05	—	—	—	1082	[31]
7	Isotridecyl alcohol	C13H28O	0.01	—	—	—	1492
8	2-Tetradecyloxyethanol	C16H34O2	—	0.01	0.03	—	1930
9	2-Butyl-1-octanol	C12H26O	—	0.03	—	0.03	1393
10	Isopentyl alcohol	C5H12O	—	—	—	0.21	697	[20]
Aldehyde
11	Hexanal	C6H12O	27.35	25.21	23.60	21.60	806	[20]
12	Furfural	C5H4O2	0.01	0.17	—	0.02	831
13	Heptanal	C7H14O	0.43	1.04	—	—	905	[20]
14	2-Furancarboxaldehyde, 5-methyl-	C6H6O2	—	0.08	—	—	920
15	Octanal	C8H16O	1.03	0.04	—	0.04	1005	[30]
16	Benzeneacetaldehyde	C8H8O	0.82	0.01	—	—	1081	[20]
17	Nonanal	C9H18O	2.58	0.19	0.07	1.06	1104	[20]
18	Benzaldehyde	C7H6O	0.23	0.02	—	0.08	982	[20]
19	Pentanal	C5H10O	5.05	0.38	0.01	0.23	707	[20]
20	2-Ethyl-1-pentanol	C7H16O	—	—	—	0.03	896
Acids
21	Acetic acid	CH3COOH	35.36	49.42	39.92	40.85	576	[31]
22	4-Methylvaleric acid	C6H12O2	1.73	—	—	—	910
23	Nonanoic acid	C9H18O2	0.40	—	—	—	1272
24	Octanoic acid	C8H16O2	—	1.52	1.52	—	2069	[32]
25	Pentanoic acid	C5H10O2	—	0.21	—	—	1161
26	Heptanoic acid	C7H14O2	—	2.01	1.33	—	1078	[30]
27	Hexanoic acid	C6H12O2	—	0.69	—	3.72	1856	[32]
Esters
28	Butyrolactone	C4H6O2	6.08	—	1.06	0.11	825
29	gamma-Butyrolactone	C5H8O2	2.79	—	—	—	886
30	Heptadecyl trifluoroacetate	C19H35F3O2	0.52	—	—	—	1812
31	Hydrazinecarboxylic acid, ethyl ester	C3H8N2O2	0.14	—	—	—	928
32	Sulfurous acid, hexyl pentadecyl ester	C21H44O3S	—	0.42	—	0.18	2732
33	n-Hexyl formate	C7H14O2	—	0.65	—	0.01	981	[20]
34	Docosyl pentafluoropropionate	C25H45F5O2	—	0.01	—	—	2369
35	Sulfurous acid, 2-ethylhexyl isobutyl ester	C12H26O3S	—	—	0.02	—	1709
36	2-Ethylhexyl acrylate	C11H20O2	—	—	0.01	—	1208
37	Hexatriacontyl pentafluoropropionate	C39H73F5O2	—	—	0.02	—	3761
38	Formic acid, ethenyl ester	C3H4O2	—	—	25.12	—	574
39	1-Methyl-2-oxocyclohex-3-enecarboxylic acid, methyl ester	C9H12O3	—	—	—	0.01	1274
Hydrocarbons
40	2, 10-Trimethyldodecane	C15H32	—	0.01	0.01	0.02	1320
41	Bute hydrocarbon	C19H40	—	0.72	—	0.03	1653
42	3-Methylheptadecane	C18H38	—	0.02	—	—	1746
43	3-Methylundecane	C12H26	0.03	0.02	0.04	0.03	1150	[33]
44	Dodecane	C12H26	0.15	0.09	0.10	0.30	1214	[30]
45	Tetradecane	C14H30	0.15	0.06	—	0.54	1413	[20]
46	4,6-Dimethyldodecane	C14H30	0.19	0.05	0.02	—	1285
47	Dodecamethylcyclohexasiloxane	C12H36O6Si6	0.04	0.03	—	0.10	1240
48	Heptadecane	C17H36	0.07	1.16	0.04	0.21	1711
49	2,5-Dimethyltridecane	C15H32	—	0.01	0.02	0.02	1384
50	6-Methyltridecane	C14H30	—	0.01	0.01	0.01	1349
51	Octadecane	C18H38	0.02	0.29	0.03	0.07	1810
52	10-Methylnonadecane	C20H42	—	0.01	—	—	1945
53	Octacosane	C28H58	0.13	0.14	0.01	0.05	2804
54	3,8-Dimethyldecane	C12H26	0.02	0.02	0.03	0.02	1086
55	Camphene	C10H16	0.94	0.25	0.03	0.11	943
56	Hexadecane	C16H34	0.37	0.29	0.09	0.33	1612	[20]
57	5-Methyltetradecane	C15H32	—	0.06	—	0.05	1448
58	4-Methyltetradecane	C15H32	—	0.01	—	0.02	1448
59	3-Methyltetradecane	C15H32	0.41	0.02	—	0.06	1448
60	Eicosane	C20H42	0.55	0.14	0.06	0.19	2009
61	Tetratriacontane	C34H70	0.12	0.03	—	0.01	3401
62	4-Methylpentadecane	C16H34	0.02	0.36	—	0.08	1548
63	2,6,10,15-Tetramethylheptadecan	C21H44	0.01	0.02	—	—	1852
64	Nonadecane	C19H40	0.01	0.08	0.04	0.07	1910
65	8-Hexylpentadecane	C21H44	—	0.01	0.01	0.07	2045
66	2,2,4,6,6-Pentamethylheptane	C12H26	0.87	0.63	1.48	0.83	981	[20]
67	2,3-Dimethylundecane	C13H28	—	0.01	—	—	1185
68	2-Bromo dodecane	C12H25Br	0.03	0.12	0.05	0.15	1446
69	(9E)-9-octadecene	C18H36	—	0.01	—	—	1818
70	Heptacosane	C27H56	—	0.01	—	—	2705
71	2,6,10,14-Tetramethylhexadecane	C20H42	0.45	1.13	0.02	0.53	1753
72	2,2,4,4,6,8,8-Heptamethylnonane	C16H34	—	0.02	—	—	1294
73	Pentadecane	C15H32	—	0.32	0.01	—	1512	[30]
74	HMN	C16H34	0.04	—	0.03	—	1294
75	Undecane	C11H24	0.02	—	0.04	—	1115	[20]
76	2,6,11-Trimethyldodecane	C15H32	0.02	—	0.01	—	1320
77	11-Methyldodecane	C13H28	0.01	—	—	—	1249
78	Heneicosane	C21H44	0.02	—	0.01	0.06	2109
79	2-Carene	C10H16	0.01	—	—	—	948
80	gamma-Terpinen	C10H16	0.21	—	—	—	998
81	1-Tridecene	C13H26	1.01	—	0.02	—	1304
82	5-Methyl-5-propylnonane	C13H28	0.02	—	0.01	—	1229
83	2,5-Dimethyldecane	C12H26	0.03	—	0.01	—	1086
84	2,4-Dimethyldecane	C12H26	0.01	—	—	—	1086
85	Docosane	C22H46	0.01	—	0.03	—	2208
86	Benzene, 1-methyl-2-(phenylmethyl)-	C14H14	—	—	0.02	—	1580
87	1-Benzyl-3-methylbenzene	C14H14	—	—	0.02	—	1580
88	Dotriacontane	C32H66	—	—	0.01	—	3202
89	2,3,7-Trimethyldecane	C13H28	—	—	0.01	—	1121
90	2,5-Dimethylundecane	C13H28	—	—	0.03	—	1185
91	1-Sec-butyl-1-(2-methylbutyl)cyclopropane	C12H24	—	—	0.02	—	1062
92	2,6,11,15-Tetramethylhexadecane	C20H42	—	—	0.01	0.02	1753
93	4-Ethylundecane	C13H28	—	—	0.01	—	1249
94	(5E)-5-octadecene	C18H36	—	—	0.01	0.01	1818
95	3-Ethyl-3-methyldecane	C13H28	—	—	0.01	—	1229
96	5-Isobutylnonane	C13H28	—	—	0.02	0.04	1185
97	5-Butylnonane	C13H28	—	—	0.01	0.04	1249
98	2,2-Dimethyldecane	C12H26	—	—	—	0.04	1130
99	2-Methyltetradecane	C15H32	—	—	—	0.01	1448
100	2-Methylhexadecane	C17H36	—	—	—	0.01	1647
101	9-Methylnonadecane	C20H42	—	—	—	0.01	1945
102	2-Methyl-6-propyldodecane	C16H34	—	—	—	0.01	1483
103	Decamethylcyclopentasiloxane	C10H30O5Si5	—	—	—	0.01	1034
104	Tetratetracontane	C44H90	—	—	—	0.02	4395
105	2,2-Dimethylundecane	C13H28	—	—	—	0.27	1229
106	4-Methyldodecane	C13H28	—	—	—	0.02	1249
107	Undecylcyclohexane	C17H34	—	—	—	0.01	1775
Categories
108	Nickel tetracarbonyl	C4NiO4	0.09	2.20	0.16	0.29	—
109	4,7-Dimethylbenzofuran	C10H10O	0.02	—	—	—	1244
110	Hydroxylamine	H3NO	2.42	4.88	3.51	—	—
111	4-Hexen-3-one	C6H10O	5.66	—	—	—	762
112	2-Undecanone	C11H22O	—	0.16	—	—	1251
113	Didecyl ether	C20H42O	—	0.07	—	0.03	2085
114	Oxygen	O2	—	3.57	—	25.26	—
115	Carbon monoxide	CO	—	—	0.06	0.10	—
116	p-(1-Propenyl)anisole	C10H12O	—	—	0.01	—	1190	[30]
117	2-Cyclohexen-1-one	C6H8O	—	—	—	0.01	873

Note. “—”means not detected. In Table 2, the constituents marked red were first detected from T. fuciformis.