Table 3 Free amino acid content of buckwheat soksungjang and factory-style doenjang (μmol/mL)

	BS1)	FSD1	FSD2	FSD3	FSD4
Ser	6.42±0.25^c2)	4.51±0.08^a	5.51±0.35^b	5.74±0.17^b	12.07±0.33^d
Arg	0.00±0.00^a	1.13±0.05^b	1.92±0.19^c	2.89±0.33^d	11.90±0.65^e
Gly	6.74±0.12^c	5.50±0.19^b	7.00±0.58^c	3.09±0.44^a	9.94±0.63^d
Asp	4.91±0.33^c	3.22±0.27^b	3.89±0.33^b	1.40±0.04^a	9.50±1.13^d
Glu	16.87±0.95^c	8.21±0.50^a	12.93±0.86^b	14.21±0.55^b	18.44±1.06^d
Thr	3.52±0.18^d	2.18±0.04^a	2.64±0.19^b	3.04±0.09^c	7.96±0.12^e
Ala	8.02±0.44^c	5.87±0.29^a	6.65±0.44^b	10.74±0.32^d	13.04±0.32^e
Pro	6.97±0.29^b	6.03±0.12^a	6.67±0.39^b	5.71±0.20^a	10.34±0.42^c
Cys	-	-	-	-	-
Lys	3.60±0.37^a	4.01±0.47^a	4.33±0.35^a	5.55±0.28^b	9.27±0.90^c
Tyr	3.91±0.11^b	1.37±0.21^a	2.98±0.15^b	1.79±0.30^a	4.26±1.22^c
Met	-	-	-	-	1.92±0.14
Val	5.86±0.29^c	3.58±0.08^a	4.55±0.27^b	5.69±0.18^c	13.01±0.39^d
Ile	4.79±0.22^d	2.68±0.06^a	3.61±0.27^b	4.23±0.16^c	11.04±0.45^e
Leu	7.92±0.34^b	6.92±0.13^a	8.63±0.44^b	10.48±0.37^c	19.44±0.96^d
Phe	5.53±0.09^bc	4.04±0.40^a	5.20±0.26^ab	6.60±0.69^c	13.13±1.28^d
Total	85.09±3.67	59.24±1.36	76.53±4.83	81.17±2.82	165.26±3.27

BS; Buckwheat Soksungjang, FSD; Factory-style doenjang.
Means±SD (n=3); Means with the same letter within a column are not significantly different (p<0.05).