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Table 1 The concentrations of amino acid, caffeine and catechins in the green tea samples

From: Intake of green tea inhibited increase of salivary chromogranin A after mental task stress loads

   Sagara Shaded white tea
Amino acids (nmol/ml) aspartic acid 118.52 339.07
threonine 16.82 88.25
serine 45.68 175.81
asparagine 11.22 487.45
glutamic acid 122.30 256.41
glutamine 157.13 428.93
theanine 401.12 1198.58
alpha-aminoadipic acid 6.94 32.65
glycine 5.71 15.01
alanine ND 91.05
valine 23.38 55.21
cystine 3.57 15.24
isoleucine 5.15 38.29
leucine 7.43 25.52
gamma-aminobutyric acid 5.68 9.64
  histidine 3.27 31.78
lysine 7.10 25.87
arginine 70.71 550.54
Caffeine and catechins (mg/250 ml) caffeine 87.47 191.60
catechins 303.78 223.08
  1. ND: not detected.