Table 3.
Volatile compounds identified from gochujang (salt conc. 10%) (unit: peak area %)

		Fermentation period (mon)
No.	Compounds name	0	1	2	3	4	5	10
Alcohols
3	ethanol	13.87	20.67	11.22	22.71	26.71	15.65	1.98
10	2-methyl-1-propanol	1.13	1.88	1.02	1.77	1.54	0.51	-
21	3-methyl-1-butanol	-	-	5.23	7.52	7.79	4.95	4.18
22	1-pentanol	7.43	6.38	-	-	7.80	-	-
36	1-hexanol	-	0.64	0.40	1.01	0.69	0.13	0.74
Aldehydes
48	benzaldehyde	-	-	-	0.15	0.34	-	0.53
Esters
2	ethyl acetate	37.44	3.82	32.60	33.31	25.13	33.53	19.44
11	3-methyl-1-butyl acetate	1.16	-	1.15	1.32	3.38	0.69	19.74
19	ethyl hexanoate	-	-	0.74	2.40	2.65	1.13	4.63
40	ethyl octanoate	-	-	-	0.50	1.00	0.49	0.75
65	2-phenylethyl acetate	7.68	-	-	-	-	-	0.22
Ketones
29	3-hydroxy-2-butanone	0.43	0.50	3.61	-	-	0.11	-
Furans
9	vinyl furan	-	-	-	-	-	-	0.27
23	2-pentyl furan	0.40	1.11	-	-	0.81	0.34	1.78
43	furfural	0.67	-	-	0.21	0.54	-	-
Pyrazines
44	tetramethyl pyrazine	0.64	0.69	0.62	0.69	1.20	0.62	1.75
Acids
41	acetic acid	3.28	1.86	1.02	0.84	1.58	1.30	6.01
58	3-methylbutanoic acid	1.36	-	0.45	0.68	0.75	0.50	1.43
Sulfur-containing
compounds
45	diallyl disulphide	0.79	1.14	0.56	1.91	1.70	0.44	2.07
Others
6	toluene	-	0.49	-	2.72	1.43	0.21	4.14
12	p-xylene	-	-	-	0.46	0.73	-	0.69
26	styrene	0.90	1.27	1.21	1.43	1.62	0.84	2.63