Table 2.
European Brewery Convention (EBC) and ΔE*ab color differences (ΔE*ab) of beers
| Beer category (sample number) | EBC differencea | ΔE*ab difference | Visual sense difference (according to Zhu et al. 2013) |
|---|---|---|---|
|
Weissbier (30) Weissbier (31) |
0.6 | 17.4 | Significant difference |
|
Alcohol-free beer based mixed drink with lemon juice (5) Belgian strong pale ale (28) |
0.3 | 12.6 | Significant difference |
|
Alcohol-free beer-based mixed drink with grapefruit juice (6) European pale lager (18) |
0.1 | 7.7 | Significant difference |
|
International amber lager (24) Irish red ale (34) |
1.6 | 7.3 | Significant difference |
|
Irish stout (35) Dunkles bock (36) |
1.1 | 4.5 | Some difference |
aEBC differences ≤ 5%