Table 1.
Volatile compounds identified from gochujang (salt conc. 3%) (unit: peak area %)

		Fermentation period (mon)
		No.	Compounds name	0	1	2	3	4	5	10
Alcohols
3	ethanol	13.73	16.12	14.08	17.68	14.66	0.85	2.60
10	2-methyl-1-propanol	1.19	1.04	0.73	0.51	-1)	-	-
21	3-methyl-1-butanol	7.78	8.09	6.02	-	2.80	3.76	1.64
22	1-pentanol	8.04	8.39	-	4.06	2.85	-	1.69
36	1-hexanol	0.53	-	-	0.90	0.51	0.51	0.36
Aldehydes
48	benzaldehyde	-	-	-	0.11	0.22	0.47	0.19
Esters
2	ethyl acetate	38.23	36.66	23.08	32.76	21.03	8.25	24.57
11	3-methyl-1-butyl acetate	3.70	15.80	24.22	7.13	16.42	9.23	11.54
19	ethyl hexanoate	0.76	2.17	2.35	1.98	0.73	0.43	2.35
40	ethyl octanoate	0.41	0.50	0.44	0.36	0.58	0.65	0.72
65	2-phenylethyl acetate	5.72	0.54	0.56	-	0.29	-	0.64
Ketones
29	3-hydroxy-2-butanone	0.40	-	-	-	-	-	-
Furans
9	vinyl furan	-	-	-	-	-	-	0.17
23	2-pentyl furan	-	-	-	1.15	1.14	-	1.40
43	furfural	-	-	-	-	-	-	0.05
Pyrazines
44	tetramethyl pyrazine	0.63	0.79	0.83	0.60	0.78	2.23	0.58
Acids
41	acetic acid	0.86	4.87	6.37	4.80	11.48	19.45	15.83
58	3-methylbutanoic acid	-	-	-	1.29	1.02	1.95	1.04
Sulfur-containing
compounds
45	diallyl disulphide	0.64	1.63	1.68	1.67	1.74	-	1.76
Others
6	toluene	0.45	0.71	-	2.07	0.96	0.79	2.52
12	p-xylene	-	-	-	0.52	0.74	0.32	0.70
26	styrene	2.65	2.31	0.67	0.69	0.96	1.13	1.62

not detected