Table 3.
Free amino acid composition in G. frondosa- and Tianzhi-fermented tea substrates (mg/100 g)
| Amino acid | G. frondosa | Tianzhi |
|---|---|---|
| Phosphoserine | 226.8 | 338.3 |
| Taurine | 70.5 | 101.9 |
| Aspartic acid | 125.5 | 92.1 |
| Threonine | 291.9 | 58.9 |
| Serine | 322.4 | 84.5 |
| Glutamic acid | 476.3 | 148.3 |
| Theanine | 21.6 | 2.3 |
| α-Amino adipic acid | 57.3 | 12.5 |
| Glycine | 91.4 | 58.5 |
| Alanine | 446.3 | 165.4 |
| Citrulline | 0.094 | \ |
| α-Amino butyrate | 0.063 | 5.8 |
| Ethanolamine | 40.8 | 11.9 |
| Hydroxylysine | 19.8 | 6.7 |
| Ornithine | 60.9 | 11 |
| Lysine | 490.6 | 70.9 |
| Histidine | 102.1 | 9.8 |
| Valine | 206.4 | 77 |
| Cystine | 30.1 | 6.3 |
| Methionine | 63.6 | 2.5 |
| Cystathionine | 129.7 | 7.9 |
| Lsoleucine | 197.1 | 54.8 |
| Leucine | 437.2 | 83.1 |
| Tyrosine | 83.5 | 50.9 |
| Phenylalanine | 101 | \ |
| β-Alanine | 60.2 | 3.5 |
| β-Amino butyrate | 5.8 | 2.4 |
| γ-Amino butyrate | 156.8 | 58.1 |
| Tryptophan | 36.6 | 11.5 |
| Anserine | 121.5 | \ |
| Carnosine | 115.8 | 14.2 |
| Arginine | 565.1 | 79.6 |
| Proline | 20.6 | 47.7 |
\, means that its value has not yet been detected yet