Table 2. Composition of free amino acid in solid starter

Free amino acid(μg/mL)	Fermentation time (days)
	‘Samgwang’			‘Jeonju 615’
	3	6	9	3	6	9
Phosphoserine	7.23±0.00¹⁾^c2)	8.40±0.02^b	10.16±0.03^a	5.01±0.04^b	10.93±0.00^a	11.66±0.05^a
Urea	32.13±4.54	ND³⁾	ND	ND	ND	ND
Aspartic acid	7.23±0.02	6.95±0.16	6.47±0.02	4.11±0.03^c	11.74±0.01^a	8.65±0.02^b
Threonine	4.07±0.00^b	4.77±0.05^b	7.59±0.06^a	2.29±0.00	5.75±0.01	7.58±0.30
Serine	6.85±0.05^b	5.97±0.03^b	8.21±0.05^a	3.00±0.01^b	7.88±0.03^a	10.77±0.20^a
Glutamic acid	38.82±0.03^b	49.83±0.09^a	48.52±0.11^a	26.07±0.04^c	52.62±0.02^a	37.17±0.18^b
Glycine	1.12±0.00^c	3.32±0.01^a	2.59±0.02^b	0.62±0.00^c	4.27±0.05^a	3.23±0.03^b
Alanine	18.98±0.07^b	35.15±0.08^a	19.30±0.07^b	11.53±0.03^c	32.49±0.05^a	19.02±0.03^b
Valine	2.53±0.01^b	6.50±0.04^a	1.75±0.01^c	1.20±0.00^c	9.97±0.07^a	2.53±0.01^b
Methionine	0.91±0.06^b	3.83±0.07^a	ND	ND	5.38±0.15^a	ND
Cystathionine	ND	ND	2.66±0.02	ND	ND	ND
Isoleucine	1.33±0.00^b	10.02±0.26^a	1.03±0.00^b	0.56±0.01^b	15.44±0.12^a	1.79±0.00^b
Leucine	2.02±0.05^b	12.27±0.31^a	2.08±0.00^b	1.00±0.02^c	21.64±0.07^a	4.34±0.02^b
Tyrosine	4.03±0.09^b	46.70±1.17^a	15.63±0.00^b	1.64±0.00^c	49.49±0.09^a	12.99±0.07^b
Phenylalanine	5.09±0.04^b	22.28±0.68^a	5.85±0.03^b	4.11±0.04^c	29.66±0.09^a	6.57±0.02^b
β-Alanine	15.22±0.05	18.39±0.41	9.95±0.02	9.00±0.04^b	18.13±0.05^a	8.96±0.08^b
β-Amino isobutyric acid	ND³⁾	7.43±0.56	ND	ND	2.82.±0.02	ND
γ-Amino-n-butyric acid	15.29±0.03^b	25.89±0.04^a	8.21±0.01^c	6.67±0.00^c	19.27±0.00^a	8.87±0.02^b
Ethanol amine	2.06±0.11	1.34±0.00	1.07±0.01	ND	1.24±0.00^a	ND
Hydroxylysine	17.95±2.54	12.43±1.76	ND	ND	13.49±1.91	13.29±1.88
Ornithine	0.35±0.01^c	1.33±0.00^b	1.51±0.00^a	0.23±0.02^b	0.77±0.01^a	0.68±0.01^c
Lysine	2.80±0.02^b	12.79±0.05^a	12.11±0.05^a	1.69±0.00^c	10.51±0.04^a	4.54±0.01^b
1-Methylhistidine	ND	ND	ND	ND	ND	ND
Histidine	7.89±0.07^a	3.23±0.01^b	1.74±0.00^c	3.62±0.02^b	4.51±0.02^a	2.17±0.00^c
Arginine	16.47±0.20^b	23.96±0.17^a	13.56±0.12^b	8.62±0.01^b	22.35±0.04^a	8.60±0.06^b
Hydroxy proline	ND	ND	ND	ND	1.33±0.19	ND
Proline	3.68±0.06	4.21±0.05	2.17±0.15	ND	27.33±0.13^a	20.79±0.13^b
Total	214.07±7.01	326.97±5.74	182.16±2.46	90.96±8.83	378.98±0.51	194.20±6.10

Values are mean±SD (n=3).
Means with different superscript are significantly different Duncan’s multiple test (p<0.05).
Not detected.