Table 5.
Nitrogen compound concentrations in rice and r ice starch Yakju (ppm)

Compounds Rice Yakju Rice starch Yakju
Enzyme supplements Modified Nuruk Traditional Nuruk Yellow rice koji Enzyme supplements Modified Nuruk Traditional Nuruk Yellow rice koji
Alanine 51.1 (10.25)1) 349.11 (9.77) 283.86(9.37) 498.75(8.34) 71.91 (11.98) 150.56(8.86) 202.19(9.65) 374.48(8.39)
Ammonia 7.64(1.53 20.56(0.58) 18.59 (0.61) 20.28 (0.34) 7.54 (1.26) 13.77(0.81) 12.95(0.62) 70.39(1.58)
Anserine ND2) ND ND 69.45 (1.16) ND 25.24(1.49) ND ND
Arginine 44.06 (8.84) 379.68 (10.62) 274.55(9.06) 12.52 (0.21) 64.17 (10.69) 168.61(9.92) 186(8.88) 83.7(1.88)
Asparticacid 33.61 (6.74) 183.04 (5.12) 130.92(4.32) 467.89(7.83) 25.96 (4.32) 91.56(5.39) 112.45(5.37) 339.98(7.62)
α-Aminoadioicacid ND 21.67(0.61) 7.36(0.24) 37.21 (0.62) ND 10.19(0.6) 2.35(0.11) 19.14(0.43)
α-Aminobutyricacid 1.35(0.27) 45.84(1.28) 29.02 (0.96) 36.71 (0.61) ND 10.75(0.63) 13.36(0.64) 23.93(0.54)
β-Alanine 3.3(0.66) 17.54(0.49) 11.84 (0.39) 21.37 (0.36) 5.54 (0.92) 6.57(0.39) 5.48(0.26) 16.62(0.37)
β-Aminoisobutyricacid 3.58(0.72) 36.55(1.02) 71.18 (2.35) 58.88 (0.99) 1.06 (0.18) 21.99(1.29) 19.21(0.92) 24.59(0.55)
γ-Amino-n-butyricacid 18.25 (3.66) 48.89(1.37) 47.02 (1.55) 142.6 (2.39) 6.09 (1.01) 21.66(1.28) 29.66(1.42) 167.43(3.75)
Carnosine ND ND ND 5.29(0.09) ND ND ND ND
Citrulline ND ND 24.03 (0.79) ND ND ND 12.82(0.61) 9.7(0.22)
Cystathionine 2.04(0.41) 39.64(1.11) 26.23 (0.87) 39.56 (0.66) 4.66 (0.78) 31.79(1.87) 23.56(1.13) 16.54(0.37)
Cysteine 9.12(1.83) 39.65(1.11) 0(0) 122.1 (2.04) 12.25 (2.04) 37.15(2.19) 32.15(1.54) 66.89(1.5)
Ethanoleamine 2.02(0.4) 3.6(0.1) 7.11(0.23) 38.51 (0.64) 0.19 (0.03) 2.25(0.13) 5.19(0.25) 20.57(0.46)
Glutamicacid 34.4(6.9) 330.06 (9.24) 262.26(8.66) 595.43(9.96) 47.61 (7.93) 128.37(7.56) 174.01(8.31) 460.89(10.33)
Glycine 16.93(3.4) 168.8(4.72) 134.07(4.43) 291.67(4.88) 22.48 (3.74) 63.49(3.74) 80.47(3.84) 241.14 (5.4)
Histidine 4.46(0.89) 49.78(1.39) 42.95 (1.42) 131.55 (2.2) 6.98 (1.16) 28.99(1.71) 31.27(1.49) 97.63(2.19)
Hydroxylysine ND ND ND ND ND ND ND ND
Isoleucine 15.12 (3.03) 117.05 (3.28) 109.21(3.61) 274.28(4.59) 16.31 (2.72) 57.37(3.38) 78.72(3.76) 209.54(4.69)
Leucine 54.92 (11.02) 282.71 (7.91) 264.95(8.75) 505.25(8.45) 55.22 (9.2) 136.63(8.04) 187.64(8.96) 429.1(9.61)
Lysine 20.41 (4.09) 212.37 (5.94) 184.98(6.11) 295.39(4.94) 62.38 (10.39) 144.29(8.49) 144(6.88) 238.08(5.33)
Methionine 7.64(1.53) 82.59(2.31) 68.2(2.25) 124.55(2.08) 10.51 (1.75) 44.6(2.63) 52.44(2.5) 84.11(1.88)
1-Methylhistidine ND ND ND ND ND ND ND ND
3-Methylhistidine ND 7.81(0.22) ND 3.53(0.06) ND ND ND ND
Ornithine 16.95(3.4) 72.98(2.04) 65.18 (2.15) 24.94 (0.42) 17.34 (2.89) 43.18(2.54) 46.15(2.2) 155.53(3.48)
Phenylalanine 41.63 (8.35) 212.71 (5.95) 191.19(6.31) 368.46(6.16) 44.98 (7.49) 96.41(5.67) 129.6(6.19) 230.1(5.15)
Phosphoethnolamine ND ND ND ND ND ND 2.31(0.11) ND
Phosphoserine 3.65(0.73) 8.23(0.23) 10.16 (0.34) 14.12 (0.24) 4.48 (0.75) 7.72(0.45) 9.22(0.44) ND
Prolin 11.67 (2.34) 73.38(8.15) 166.1 (5.48) 415(6.94) 9.92 (1.65) 107.87(6.35) 131.97 (6.3) 243.53(5.46)
Sarcosine ND ND ND ND ND 2.88(0.17) 1.04(0.05) 10.64(0.24)
Serine 21.46 (4.31) 184.09(5.15) 148.4(4.9) 358.03(5.99) 27.98 (4.66) 63.23(3.72) 91.02(4.35) 249.16(5.58)
Taurine ND ND ND 5.48(0.09) ND ND ND 4.07(0.09)
Threonine 11.13 (2.23) 97.66(2.73) 89.89 (2.97) 213.76(3.58) 14.61 (2.43) 39.43(2.32) 57.86(2.76) 150.22(3.37)
Tryptophan ND ND ND ND ND ND ND ND
Tyrosine 28.79 (5.78) 200.75 (5.62) 170.86 (5.64) 393.09 (6.58) 28.9 (4.81) 78.29(4.61) 111.46(5.32) 148.83(3.33)
Urea 0.42(0.08) 2.01(0.06) 4.9(0.16) ND 1.08 (0.18) ND 3.49(0.17) ND
Valine 32.76 (6.57) 168.22 (4.71) 177.59 (5.86) 391.28(6.55) 30.16(5.02) 63.84(3.76) 104.24 (4.98) 277.26(6.21)
Total 498.38(100) 900.65 (100) 3029.18(100) 5976.93 (100) 600.43(100) 1699.12(100) 2094.3(100) 4463.79(100)
The numbers in parentheses indicate the percentage distribution of each compound.
ND means not detected.