Table 2.
Ingredient composition in each matcha sample.
| Sample | Amino Acids (mg/g) | ||||||||
| No | Theanine | Arg | Glu | Asp | Asn | Ser | Gln | GABA | Total |
| 1 | 28.99 ± 0.10 | 12.50 ± 0.04 | 7.52 ± 0.02 | 6.95 ± 0.02 | 2.90 ± 0.01 | 1.25 ± 0.00 | 1.08 ± 0.01 | 0.25 ± 0.00 | 61.45 ± 0.19 |
| 2 | 38.77 ± 0.16 | 18.19 ± 0.02 | 7.58 ± 0.05 | 8.47 ± 0.05 | 3.36 ± 0.01 | 1.84 ± 0.01 | 1.34 ± 0.01 | 0.22 ± 0.00 | 79.77 ± 0.43 |
| 3 | 2.48 ± 0.03 | 0.36 ± 0.00 | 0.48 ± 0.00 | 0.65 ± 0.01 | 0.09 ± 0.00 | 0.13 ± 0.00 | 0.11 ± 0.00 | 0.05 ± 0.00 | 4.35 ± 0.04 |
| 4 | 44.65 ± 1.73 | 20.39 ± 1.06 | 5.86 ± 0.16 | 7.95 ± 0.19 | 4.01 ± 0.12 | 1.74 ± 0.05 | 3.20 ± 0.11 | 0.23 ± 0.01 | 88.02 ± 3.41 |
| 5 | 7.87 ± 0.17 | 1.41 ± 0.06 | 2.64 ± 0.03 | 2.80 ± 0.02 | 0.59 ± 0.02 | 0.57 ± 0.03 | 0.51 ± 0.01 | 0.14 ± 0.00 | 16.52 ± 0.26 |
| 6 | 17.41 ± 0.18 | 12.33 ± 0.32 | 5.37 ± 0.04 | 7.60 ± 0.14 | 3.18 ± 0.03 | 1.34 ± 0.01 | 0.85 ± 0.01 | 0.13 ± 0.00 | 48.21 ± 0.70 |
| 7 | 3.91 ± 0.09 | 1.43 ± 0.11 | 2.82 ± 0.05 | 2.94 ± 0.06 | 0.82 ± 0.02 | 0.58 ± 0.01 | 0.38 ± 0.01 | 0.26 ± 0.01 | 13.15 ± 0.37 |
| Sample | Caffeine | Catechin (mg/g) | |||||||
| No | (mg/g) | EGCG | ECG | EGC | EC | ||||
| 1 | 39.95 ± 0.19 | 59.34 ± 0.41 | 12.44 ± 0.07 | 14.86 ± 0.06 | 4.26 ± 0.01 | ||||
| 2 | 44.43 ± 0.47 | 57.20 ± 0.84 | 13.81 ± 0.21 | 9.68 ± 0.04 | 3.44 ± 0.02 | ||||
| 3 | 5.95 ± 0.02 | 13.15 ± 0.08 | 2.20 ± 0.01 | 4.09 ± 0.02 | 0.87 ± 0.00 | ||||
| 4 | 37.19 ± 0.36 | 48.44 ± 0.53 | 9.96 ± 0.15 | 8.40 ± 0.06 | 2.50 ± 0.04 | ||||
| 5 | 40.35 ± 0.70 | 86.76 ± 1.47 | 06.09 ± 0.34 | 28.76 ± 0.38 | 6.48 ± 0.13 | ||||
| 6 | 38.95 ± 0.55 | 49.15 ± 0.69 | 25.41 ± 0.69 | 9.91 ± 0.09 | 3.29 ± 0.03 | ||||
| 7 | 37.06 ± 0.23 | 64.61 ± 4.30 | 30.54 ± 1.51 | 31.21 ± 0.40 | 6.75 ± 0.11 | ||||
Data represents mean ± SEM (n = 2–3). ECG, epicatechin gallate; EGC, epigallocatechin; EC, epicatechin.