Table 2.

The contents of amino acids under E. ulmoides extract treatment.

Item	Amino acid (g/100 g)	A	B	C	D
Delicious amino acid (DAA)	Asp	1.24 ± 0.01 a	1.20 ± 0.01 a	1.24 ± 0.06 a	1.26 ± 0.04 a
	Glu	1.75 ± 0.01 a	1.69 ± 0.02 a	1.74 ± 0.08 a	1.78 ± 0.06 a
	Tyr	0.46 ± 0.01 a	0.45 ± 0.01 a	0.46 ± 0.02 a	0.46 ± 0.02 a
	Gly	0.41 ± 0.01 a	0.40 ± 0.01 a	0.42 ± 0.02 a	0.42 ± 0.01 a
	Phe	0.64 ± 0.01 a	0.61 ± 0.02 a	0.63 ± 0.04 a	0.65 ± 0.02 a
	Ala	0.71 ± 0.01 a	0.68 ± 0.01 a	0.70 ± 0.04 a	0.71 ± 0.02 a
Sweet amino acid (SAA)	Lys	0.90 ± 0.01 a	0.88 ± 0.01 a	0.89 ± 0.04 a	0.91 ± 0.03 a
	Pro	0.45 ± 0.01 a	0.45 ± 0.01 a	0.46 ± 0.02 a	0.47 ± 0.02 a
	Ser	0.98 ± 0.01 a	0.94 ± 0.01 a	0.97 ± 0.04 a	0.98 ± 0.03 a
	Thr	0.59 ± 0.01 a	0.57 ± 0.01 a	0.59 ± 0.02 a	0.60 ± 0.02 a
Bitter amino acid (BAA)	Val	0.71 ± 0.03 a	0.70 ± 0.03 a	0.71 ± 0.03 a	0.73 ± 0.03 a
	Leu	0.52 ± 0.03 a	0.52 ± 0.02 a	0.52 ± 0.02 a	0.53 ± 0.03 a
	Met	0.36 ± 0.01 a	0.35 ± 0.01 a	0.36 ± 0.02 a	0.36 ± 0.01 a
	Arg	0.64 ± 0.01 b	0.76 ± 0.02 a	0.77 ± 0.04 a	0.77 ± 0.04 a
	His	0.46 ± 0.01 a	0.22 ± 0.01 b	0.22 ± 0.01 b	0.23 ± 0.02 b
	Ile	0.52 ± 0.03 a	0.52 ± 0.02 a	0.52 ± 0.02 a	0.53 ± 0.03 a
EAA/TAA (%)		41.45	39.67	39.64	39.87
DAA/TAA (%)		45.94	46.19	46.34	46.35

Abbreviations: BAA, bitter amino acids; DAA, delicious amino acids; EAA, essential amino acids; SAA, sweet amino acids; TAA, total amino acids.

Different small letters indicated significant differences at P < 0.05 level of Tukey test under different treatments.