Table 1.
The contents (mg/g) of main phytochemicals in six kinds of tea.
| Component | GT | WT | YT | OT | BT | DT |
|---|---|---|---|---|---|---|
| Gallic Acid | 0.370 ± 0.031 c | 1.220 ± 0.099 a | 0.803 ± 0.054 b | 1.342 ± 0.053 a | 0.956 ± 0.318 b | 1.310 ± 0.064 a |
| Gallocatechin | 10.628 ± 1.042 c | 74.952 ± 2.721 a | 6.606 ± 0.442 c | 3.432 ± 0.356 d | 49.921 ± 0.554 b | 79.080 ± 2.069 a |
| Epigallocatechin | 39.004 ± 4.015 a | 12.403 ± 0.795 c | 28.829 ± 1.240 b | 22.741 ± 0.756 bc | 7.494 ± 0.843 c | 1.482 ± 0.071 d |
| Catechin | 16.216 ± 0.762 a | 4.374 ± 0.317 d | 12.615 ± 1.051 b | 8.715 ± 0.777 c | 1.708 ± 0.451 de | 0.683 ± 0.016 e |
| Caffeine | 50.511 ± 2.229 a | 34.156 ± 1.425 b | 38.868 ± 1.983 b | 34.127 ± 0.115 b | 30.612 ± 0.509 c | 34.600 ± 1.023 b |
| Epicatechin | 24.351 ± 2.161 a | 3.607 ± 0.514 d | 17.523 ± 0.777 b | 11.605 ± 0.387 c | 1.922 ± 0.842 d | 0.570 ± 0.027 d |
| EpigallocatechinGallate | 81.779 ± 5.148 a | 20.714 ± 1.180 d | 53.648 ± 2.254 b | 32.914 ± 0.779 c | 2.266 ± 0.256 e | / |
| GallocatechinGallate | 4.990 ± 1.778 a | 1.554 ± 0.164 b | 2.817 ± 0.125 a | 2.240 ± 0.470 a | 0.808 ± 0.452 b | / |
| EpicatechinGallate | 67.266 ± 2.108 a | 29.543 ± 2.072 c | 48.878 ± 2.875 b | 30.301 ± 0.531 c | 5.788 ± 0.440 d | / |
| CatechinGallate | 0.948 ± 0.233 b | 1.330 ± 0.200 ab | 2.417 ± 0.507 a | 0.584 ± 0.339 b | 0.875 ± 0.153 b | / |
Values represent means ± SD (n =3). Different letters (a, b, c, d) in the same row indicate significant differences between mean values (p < 0.05).