Table 5. Free amino acid contents of distilled soju co-fermented with Saccharomyces cerevisiae and Hanseniaspora uvarum

Amino acid	Free amino acid (mg/L)
Amino acid	11215¹⁾	NY21	NY21+SJ69	NY21+S6
Aspartic acid	41.79±0.85^2)a3)	41.37±0.96^a	41.20±0.64^a	37.53±0.43^b
Threonine	25.52±0.71^ab	26.34±0.63^a	25.77±0.99^ab	24.53±0.58^b
Serine	33.21±0.56^b	35.49±0.72^a	35.33±1.03^a	32.74±0.69^b
Glutamic acid	34.82±0.47^b	38.31±0.51^a	37.72±0.89^a	34.13±0.61^b
Glycine	61.56±0.39^a	59.21±0.65^b	59.75±0.60^b	55.68±0.54^c
Alanine	73.75±0.88^a	68.90±0.73^b	66.56±1.17^c	61.46±0.88^d
Cystine	4.60±0.15^a	4.52±0.10^a	4.60±0.09^a	4.25±0.11^b
Valine	19.96±0.29^c	25.45±0.31^a	24.88±0.53^ab	24.57±0.40^b
Methionine	0.22±0.03^b	0.80±0.05^a	0.77±0.04^a	0.71±0.06^a
Isoleucine	ND⁴⁾	ND	ND	ND
Leucine	ND	ND	ND	ND
Tyrosine	12.59±0.28^c	16.06±0.15^a	15.74±0.33^ab	15.22±0.31^b
Phenylalanine	11.42±0.19^c	12.86±0.23^b	12.78±0.20^b	13.34±0.24^a
Lysine	7.07±0.03^a	7.05±0.10^a	7.05±0.05^a	6.70±0.07^b
Histidine	6.93±0.09	ND	ND	ND
Arginine	ND	ND	ND	ND
Proline	214.36±2.54^c	234.58±3.18^a	226.40±3.83^b	202.59±2.98^d
Total	547.80±7.46^b	570.95±8.32^a	558.56±10.39^ab	513.46±7.90^c

11215, S. cerevisiae KCCM 11215; NY21, S. cerevisiae NY-21; SJ69, H. uvarum SJ69; S6, H. uvarum S6.
All values are mean±SD (n=3).
^a-dDifferent letters within the same row indicate a statistically significant difference (p<0.05).
ND, not detected.