Table 4. Free amino acid contents of BHM

Free amino acids	Contents (ppm)
Free amino acids	BSE¹⁾	HDE	BHM
Phosphoserine	0.63±0.01^a2)	0.23±0.10^b	0.65±0.07^a
Taurine	12.95±0.05^a	0.04±0.02^c	11.95±0.03^b
Aspartic acid	2.27±0.09^a	0.08±0.05^b	2.24±0.01^a
Threonine	3.28±0.12^a	0.03±0.01^c	3.04±0.04^b
Serine	6.40±0.05^a	0.03±0.01^c	6.01±0.28^b
Glutamic acid	10.58±0.02^a	0.31±0.07^c	10.16±0.03^b
Glycine	8.07±0.04^a	ND³⁾	7.44±0.07^b
Alanine	7.85±0.10^a	0.32±0.03^c	7.48±0.05^b
Valine	6.31±0.01^a	ND	5.78±0.01^b
Methionine	0.51±0.05^a	ND	0.33±0.01^b
Isoleucine	3.34±0.05^a	0.02±0.01^c	3.08±0.02^b
Leucine	2.76±0.23^a	0.03±0.02^b	2.59±0.03^b
Tyrosine	1.32±0.08^a	ND	1.32±0.01^a
Phenylalanine	7.39±0.01^a	ND	6.89±0.06^b
β-Alanine	2.29±0.02^a	ND	1.37±0.03^b
γ-Amino-n-butyric acid	1.73±0.07^b	0.28±0.03^c	1.96±0.01^a
Ornithine	0.09±0.08^a	ND	0.08±0.07^a
Lysine	3.11±0.03^a	ND	2.91±0.05^b
Histidine	3.27±0.05^a	ND	2.90±0.02^b
Arginine	11.82±0.01^a	0.09±0.03^c	10.97±0.21^b
Proline	1.78±0.02^b	1.18±0.14^c	2.92±0.01^a

BSE, soybean sprouts extract; HDE, 1.5% Hovenia dulcis Thunb. extract; BHM, soybean sprouts and 1.5% Hovenia dulcis Thunb. mixture.
Values are mean±SD (n=3).
^a-cMeans with different letters within the same row are significantly different (p<0.05).
Not detected.