Table 1.
Major chemical constituents in the Tgy-Q, Tgy-N and Tgy-C extracts.
| Chemical Constituents | Tgy-Q | Tgy-N | Tgy-C |
|---|---|---|---|
| Tea polyphenol (mg/g) | 437.25 ± 2.13 a | 396.48 ± 3.81 b | 368.26 ± 2.92 c |
| Amino acids (mg/g) | 64.08 ± 0.60 a | 62.55 ± 0.74 b | 47.92 ± 0.28 c |
| Soluble proteins (mg/g) | 88.61 ± 3.01 b | 92.11 ± 2.79 b | 104.73 ± 5.25 a |
| Soluble sugars (mg/g) | 362.01 ± 8.19 a | 336.52 ± 4.35 b | 278.18± 4.17 c |
| Tea polysaccharides (mg/g) | 48.64 ± 2.11 b | 37.29 ± 1.00 c | 57.35 ± 1.52 a |
| Flavonoids (mg/g) | 24.18 ± 0.54 b | 26.56 ± 1.78 b | 32.71 ± 0.97 a |
| Caffeine (mg/g) | 71.36 ± 0.89 b | 77.12 ± 0.73 c | 77.49 ± 0.92 a |
| Gallic acid (mg/g) | 2.14 ± 0.21 c | 3.76 ± 0.17 b | 6.67 ± 0.44 a |
| Gallocatechin (mg/g) | 38.37 ± 1.08 a | 30.35 ± 1.62 c | 30.39 ± 1.76 b |
| Epigallocatechin (mg/g) | 49.06 ± 1.86 a | 45.80 ± 1.14 b | 38.47 ± 0.42 c |
| Catechin (mg/g) | 7.74 ± 1.61 a | 8.12 ± 0.76 a | 8.70 ± 1.72 a |
| Epicatechin (mg/g) | 24.59 ± 1.42 a | 16.32 ± 0.77 b | 5.41 ± 0.44 c |
| Epigallocatechin gallate (mg/g) | 105.21 ± 1.64 a | 86.99 ± 1.77 b | 77.42 ± 0.91 c |
| Gallocatechin gallate (mg/g) | 31.24 ± 1.07 b | 32.54 ± 1.29 b | 36.12 ± 1.31 a |
| Epicatechin gallate (mg/g) | 32.05 ± 0.84 a | 30.74 ± 1.34 a | 24.83 ± 1.24 b |
| Catechin gallate (mg/g) | 6.28 ± 0.64 a | 6.48 ± 1.47 a | 6.415 ± 1.52 a |
| Total catechins (mg/g) | 294.56 ± 10.91 a | 257.35 ± 10.20 b | 227.79 ± 9.36 c |
Data represent mean ± SD of three replicates. Different lowercase letters in the same row indicate significant differences between mean values (p < 0.05).