Table 1.
The contents of catechin-related compounds and some bioactive compounds in Miang samples: Young tea leaves, mature tea leaves, non-filamentous fungi-process-based fermented tea leaves (NFP-Miang), and filamentous fungi-process-based fermented tea leaves (FFP-Miang).
Sample | Bioactive Compounds (mg/g Sample) | ||||||
---|---|---|---|---|---|---|---|
Catechin (C) | Epicatechin (EC) | Epigallocatechin Gallate (EGCG) | Epicatechin Gallate (ECG) | Pyrogallol | Gallic Acid (GA) | Caffeine | |
Young leaves | 6.97 ± 0.14 b | 2.07 ± 0.08 a | 0.04 ± 0.003 d | 1.13 ± 0.06 b | nd | 0.57 ± 0.07 b | 1.04 ± 0.08 c |
Mature leaves | 21.82 ± 1.13 a | 1.75 ± 0.06 b | 0.05 ± 0.002 c | 2.03 ± 0.07 a | nd | 0.26 ± 0.03 c | 1.98 ± 0.07 a |
NFP-Miang | 6.89 ± 0.11 b | nd | 0.07 ± 0.003 a | 1.15 ± 0.07 b | 0.21 ± 0.007 b | 1.06 ± 0.02 a | 1.23 ± 0.08 b |
FFP-Miang | 4.75 ± 0.13 c | nd | 0.06 ± 0.003 b | nd | 0.26 ± 0.005 a | 0.68 ± 0.03 b | 0.73 ± 0.05 d |
Different letters represent significant differences in group concentrations at p < 0.05, and “nd” represents “not determined”.