Table 2.
Volatile compounds identified from gochujang (salt conc. 6%) Volatile compounds identified from gochujang (salt conc. 6%) (unit: peak area %)

		Fermentation period (mon)
		No.	Compounds name	0	1	2	3	4	5	10
Alcohols
3	ethanol	11.83	11.16	6.46	6.25	8.59	4.15	2.98
10	2-methyl-1-propanol	1.11	0.62	-	0.19	-	-	-
21	3-methyl-1-butanol	-	2.97	0.56	0.58	-	0.95	0.62
22	1-pentanol	5.66	-	-	0.59	0.59	-	-
36	1-hexanol	0.36	0.43	0.47	0.39	0.24	0.30	0.28
Aldehydes
48	benzaldehyde	-	-	-	-	0.16	0.58	0.27
Esters
2	ethyl acetate	47.96	24.41	14.09	19.46	23.29	9.94	24.80
11	3-methyl-1-butyl acetate	1.45	26.34	22.78	25.25	23.00	12.89	17.30
19	ethyl hexanoate	-	1.19	-	1.46	1.27	0.68	0.95
40	ethyl octanoate	0.25	-	-	0.21	0.36	0.45	0.35
65	2-phenylethyl acetate	5.47	-	-	-	-	-	0.33
Ketones
29	3-hydroxy-2-butanone	0.32	-	-	-	-	-	-
Furans
9	vinyl furan	-	-	-	-	-	-	0.11
23	2-pentyl furan	0.30	-	1.17	1.45	0.39	1.21	1.23
43	furfural	-	-	-	-	0.49	1.52	2.14
Pyrazines
44	tetramethyl pyrazine	0.49	0.49	0.49	0.35	0.58	1.96	0.59
Acids
41	acetic acid	1.10	9.08	16.55	13.87	20.82	25.91	20.11
58	3-methylbutanoic acid	0.58	-	-	0.69	0.89	1.44	0.87
Sulfur-containing
compounds
45	diallyl disulphide	0.48	1.07	1.18	1.15	1.11	-	1.49
Others
6	toluene	-	0.64	0.98	2.05	0.82	1.00	4.21
12	p-xylene	-	-	0.33	0.21	0.53	0.23	0.60
26	styrene	0.62	1.04	-	0.58	1.02	0.97	1.70