Table 2.
Individual phenolic compounds of beer samples (mg/L).
| Beer Code | Caffeic Acid | Ferulic Acid | Catechin | Epicatechin | Quercetin |
|---|---|---|---|---|---|
| MACC | 2.17 ± 0.08 b,c | 14.10 ± 0.39 b | 3.03 ± 0.06 b | 1.09 ± 0.08 a,b | 1.40 ± 0.08 b |
| GOLD | 2.34 ± 0.07 b | 15.22 ± 0.54 a,b | 3.27 ± 0.09 a,b | 1.17 ± 0.07 a,b | 1.52 ± 012 a,b |
| HEIN | 1.97 ± 0.07 c,d | 12.92 ± 0.45 c,d | 2.78 ± 0.07 b,c | 0.99 ± 0.05 b,c | 1.24 ± 0.07 c |
| CARL | 1.91 ± 0.04 c,d | 12.48 ± 0.32 d | 2.69 ± 0.09 c | 0.96 ± 0.09 b,c | 1.28 ± 0.08 b,c |
| MGD | 1.94 ± 0.05 c,d | 12.62 ± 0.35 c,d | 2.69 ± 0.08 c | 0.97 ± 0.06 b,c | 1.25 ± 0.11 b,c |
| COR | 1.87 ± 0.06 d | 12.23 ± 0.44 d | 2.64 ± 0.08 c | 0.94 ± 0.07 c | 1.21 ± 0.07 c |
| ORJB | 2.07 ± 0.08 c | 13.31 ± 0.54 c | 2.83 ± 0.05 b,c | 1.02 ± 0.07 b | 1.32 ± 0.13 b |
| AMST | 2.12 ± 0.06 b,c | 13.89 ± 0.48 b,c | 2.99 ± 0.09 b,c | 1.07 ± 0.07 b | 1.37 ± 0.01 b |
| KAM | 2.73 ± 0.06 a | 17.87 ± 0.61 a | 3.82 ± 0.12 a | 1.37 ± 0.08 a | 1.77 ± 0.12 a |
| ROST | 2.83 ± 0.08 a | 18.47 ± 0.51 a | 3.98 ± 0.15 a | 1.42 ± 0.09 a | 1.83 ± 0.07 a |
| ŻYW | 2.08 ± 0.07 c | 13.01 ± 0.36 c | 2.26 ± 0.08 d | 1.01 ± 0.07 b | 1.29 ± 0.09 b,c |
Values are means ± SD of 5 measurements; Means within a column with the different superscripts are statistically different (p < 0.05; Student’s t-test). Abbreviations: Maccabee (MACC); Goldstar (GOLD); Heineken (HEIN); Carlsberg (CARL); Miller Genuine Draft (MGD); Corona (COR), Oranjeboom (ORJB); Amstel (AMST); Kamenitza (KAM); Rostocker (ROST); Żywiec (ŻYW).