Table 3
Free amino acid contents of tangerine peel Soksungjang prepared from different types of koji strains

Amino acid	RS2)		AS3)		RTS4)		ATS5)
	0	30	0	30	0	30	0	30
Aspartic acid	-1)	-	18.8	40.8	9.2	34.4	20.4	trace
Threonine	22	42.4	21.2	36	11.2	65.6	27.2	trace
Serine	-	-	28.4	39.2	10	68	30.4	46.4
Glutamic acid	trace	1.6	52	168.8	23.2	204.8	19.6	trace
Glycine	26	72	12.8	18.4	6.4	28	12.8	trace
Alanine	-	-	40.8	49.6	19.6	85.6	40.8	16
Cystine	0.8	trace	trace	0.8	trace	0.8	0.4	1.6
Valine	21.6	46.4	27.6	49.6	17.6	92.8	35.2	68.8
Methionine	0.4	4.8	0.4	4.8	trace	24.8	0.4	11.2
Isoleucine	12.8	28.8	14.8	36	12.4	73.6	20.8	44
Leucine	39.6	89.6	43.6	95.2	35.2	151.2	44.8	96
Tyrosine	18.4	44	20.4	44	22.8	76	20.8	54.4
Phenylalanine	36.8	67.2	34.4	72	31.2	106.4	37.6	72
Lysine	50	140.6	55.6	100.8	56.8	125.6	54.4	111.2
Histidine	7.2	20.8	4	14.4	5.6	19.2	8.4	16
Arginine	75.6	134.4	76	50.4	73.6	177.6	70.8	168.8
Tryptophan	0.4	trace	0.8	trace	0.4	trace	0.4	1.6
Total	311.6	692.6	451.6	820.8	335.2	1334.4	445.2	708

¹⁾-, No detection.
²⁾RS, Soksungjang made from Rhizopus oligosporus koji.
³⁾RTS, Soksungjang made from Rhizopus oligosporus koji+10% Tangerine peel power.
⁴⁾AS, Soksungjang made from Aspergillus oryzae.
⁵⁾ATS, Soksungjang made from Aspergillus oryzae+10% Tangerine peel.