Table 4 Mean and Pearson correlation coefficients for the AA intake of 70 356 participants comparing gene sequencing and conventional methods

From: Evaluation of a novel food composition database that includes glutamine and other amino acids derived from gene sequencing data

Amino acids (AA) Mean (s.d.) AA in g/ day ρ Pearson Mean (s.d.) AA in g/100 g protein ρ Pearson Mean (s.d.) AA in g/1000 kcal ρ Pearson
  Sequencing Conventional   Sequencing Conventional   Sequencing Conventional  
Alanine 4.04 (1.33) 3.71 (1.22) 0.99 5.28 (0.37) 4.85 (0.28) 0.73 2.35 (0.54) 2.16 (0.47) 0.97
Arginine 4.34 (1.42) 4.35 (1.43) 0.99 5.69 (0.49) 5.70 (0.44) 0.90 2.53 (0.58) 2.53 (0.55) 0.99
Asparagine 2.75 (0.87) 3.60 (0.21) 1.60 (0.33)
Aspartatea 3.62 (1.22) 7.11 (2.28) 0.98 4.75 (0.47) 9.32 (0.56) 0.75 2.12 (0.53) 4.14 (0.87) 0.97
Cys or Cys–Cysb 1.32 (0.42) 0.95 (0.30) 0.98 1.74 (0.12) 1.24 (0.08) 0.50 0.77 (0.15) 0.55 (0.10) 0.94
Glutamine 6.85 (2.19) 9.04 (1.31) 3.95 (0.63)
Glutamatea 7.27 (2.44) 14.46 (4.55) 0.96 9.48 (0.67) 18.98 (1.04) −0.20 4.24 (1.01) 8.39 (1.46) 0.94
Glycine 3.23 (1.10) 3.26 (1.08) 0.98 4.23 (0.45) 4.27 (0.36) 0.82 1.89 (0.47) 1.90 (0.42) 0.97
Histidine 2.29 (0.75) 2.16 (0.70) 0.98 2.99 (0.17) 2.82 (0.11) 0.27 1.33 (0.29) 1.25 (0.25) 0.96
Isoleucine 3.76 (1.20) 3.54 (1.16) 0.99 4.92 (0.21) 4.62 (0.15) 0.49 2.18 (0.42) 2.05 (0.42) 0.98
Leucine 7.01 (2.27) 5.89 (1.93) 0.99 9.17 (0.44) 7.69 (0.21) 0.31 4.08 (0.85) 3.42 (0.67) 0.97
Lysine 5.35 (1.82) 5.40 (1.82) 0.99 6.98 (0.60) 7.03 (0.37) 0.80 3.12 (0.78) 3.14 (0.72) 0.97
Methionine 1.97 (0.63) 1.80 (0.60) 0.98 2.57 (0.12) 2.34 (0.12) 0.19 1.14 (0.23) 1.05 (0.23) 0.96
Phenylalanine 3.83 (1.19) 3.24 (1.04) 0.98 5.04 (0.36) 4.24 (0.12) 0.09 2.23 (0.43) 1.88 (0.34) 0.92
Proline 5.59 (1.80) 4.58 (1.52) 0.96 7.31 (0.39) 5.99 (0.57) 0.48 3.25 (0.64) 2.64 (0.47) 0.89
Serine 4.53 (1.44) 3.31 (1.07) 0.98 5.93 (0.26) 4.33 (0.18) −0.08 2.64 (0.53) 1.92 (0.34) 0.94
Threonine 3.45 (1.11) 3.02 (1.00) 0.99 4.52 (0.24) 3.94 (0.12) 0.31 2.01 (0.41) 1.75 (0.36) 0.97
Tryptophan 1.01 (0.33) 0.88 (0.29) 0.94 1.32 (0.07) 1.14 (0.09) −0.08 0.59 (0.13) 0.51 (0.11) 0.88
Tyrosine 3.10 (1.01) 2.68 (0.88) 0.99 4.06 (0.20) 3.50 (0.14) 0.45 1.80 (0.36) 1.55 (0.30) 0.97
Valine 4.25 (1.37) 3.90 (1.27) 0.99 5.56 (0.24) 5.10 (0.16) 0.38 2.47 (0.51) 2.26 (0.44) 0.97
  1. aAsparagine and glutamine are mostly transformed to aspartate and glutamate during acid hydrolysis.
  2. bCysteine (Cys) is measured by the sequencing method and cystine (Cys–Cys) is measured by the conventional method—cystine gives rise to two equivalents of cysteine or its derivative.