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. 2018 Oct 10;10(10):1468. doi: 10.3390/nu10101468

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.