Compound | Yunnan oolong tea (n = 5) | Fujian oolong tea (n = 5) | Green tea (n = 10) | Black tea (n = 10) | Pu-erh tea (n = 10) |
---|---|---|---|---|---|
EGC | 10.31 ± 2.54a* | 14.15 ± 3.80b | 13.90 ± 5.51b | 0.37 ± 0.20c | 1.19 ± 0.24c |
C | 2.46 ± 0.94a | 4.84 ± 1.12b | 6.29 ± 2.36b | 1.04 ± 0.69a | 1.96 ± 0.41a |
EC | 2.15 ± 0.85a | 4.29 ± 0.65b | 5.82 ± 2.22c | 1.38 ± 0.73a | 1.36 ± 0.48a |
EGCG | 31.87 ± 8.35a | 38.24 ± 8.75b | 50.56 ± 8.04c | 3.43 ± 1.02d | 0.13 ± 0.08d |
ECG | 4.07 ± 0.69a | 8.24 ± 2.68b | 17.61 ± 3.39c | 3.53 ± 1.40a | 0.18 ± 0.16d |
Total polysaccharides | 14.00 ± 2.41a | 18.52 ± 1.53c | 10.31 ± 1.50b | 18.33 ± 2.47c | 17.54 ± 1.73c |
Caffeine | 14.56 ± 3.27a | 16.20 ± 5.48b | 26.53 ± 7.65c | 21.17 ± 2.72d | 22.61 ± 5.8d |