Table 3.
The contents of the main phenolic compounds of the CIOPs extracts with different solvents.
| Contents (μg/g DW) | Extractions | |||||
|---|---|---|---|---|---|---|
| Water | 50% MeOH | EtAC | ChCl-Xyl | ChCl-Gly | Bet-CA | |
| Arbutin | 216.05 ± 14.75a | 622.58 ± 30.40c | ND | 803.18 ± 9.09e | 765.49 ± 5.41d | 499.30 ± 12.51b |
| (–)-Epigallocatechin | 4,525.25 ± 63.29c | 815.04 ± 52.41b | 164.73 ± 23.24a | 768.64 ± 13.52b | 811.77 ± 16.30b | 11,430.14 ± 184.92d |
| Chlorogenic acid | 1,144.76 ± 1.94b | 1272.96 ± 49.65c | 72.26 ± 2.42a | 2,335.15 ± 26.58d | 2,702.66 ± 14.40e | 2,393.88 ± 15.35d |
| Procyanidin B1 | 430.91 ± 13.58b | ND | 326.75 ± 3.19a | 2,323.24 ± 3.19d | 2,345.26 ± 24.65d | 1,671.78 ± 25.44c |
| (+)-Catechin | 1,005.77 ± 6.23a | 1,311.11 ± 49.88b | ND | 3,058.23 ± 29.46d | 3,410.49 ± 76.88e | 2,300.66 ± 10.31c |
| Protocatechuic acid | 13.76 ± 0.13a | 15.89 ± 1.03b | ND | ND | ND | ND |
| (–)-Epicatechin | 147.64 ± 2.00b | 268.47 ± 5.23c | 85.85 ± 2.46a | 720.27 ± 13.47e | 699.98 ± 4.11e | 483.37 ± 12.11d |
| Caffeic acid | 36.69 ± 0.83a | 50.29 ± 0.89b | ND | ND | ND | 128.86 ± 0.76b |
| Vanillin | ND | ND | ND | 4.69 ± 0.32c | 4.72 ± 0.07c | 10.74 ± 0.21d |
| Taxifolin | 30.07 ± 0.06a | 36.19 ± 0.53b | ND | ND | 422.99 ± 25.24c | ND |
Each value was expressed as mean ± standard deviation (n = 3). Values with different lowercase letters (a-e) within columns are significantly different (p < 0.05).