Table 1.
Color changes of red cabbage anthocyanin by temperature.
Temparature (°C) | Acidic (pH 5) | Basic (pH 9) |
Red Cabbage | Purple Sweet Potato | Cyanidin | Cyanidin 3,5- Diglycoside | Red Cabbage | Purple Sweet Potato | Cyanidin | Cyanidin 3,5- Diglycoside |
25 | Red Wine | Purple | Pink | Red | Green | Cyan | Green | Blue |
38 | Red Wine | Purple | Pink | Red | Green | Cyan | Green | Blue |
40 | Red Wine | Purple | Pink | Red | Green | Cyan | Green | Blue |
42 | Red Wine | Purple | Pink | Red | Green | Cyan | Green | Blue |
44 | Red Wine | Purple | Pink | Red | Green | Cyan | - | Blue |
46 | Red Wine | Purple | Pink | Red | Green | Cyan | - | Blue |
48 | Red Wine | Purple | Pink | Red | Green | Cyan | - | Blue |
50 | Red Wine | Purple | Pink | Red | Green | Cyan | - | Blue |
52 | Red Wine | Purple | Pink | Red | Green | Cyan | - | Blue |
54 | Red Wine | Purple | Pink | Red | Green | Cyan | - | Blue |
56 | Red Wine | Purple | Pink | Red | Green | Cyan | - | Blue |
58 | Red Wine | Purple | Pink | Red | Green | Cyan | - | Blue |
60 | Red Wine | Purple | - | Red | Green | Cyan | - | Blue |
62 | Red Wine | Purple | - | Red | Green | Cyan | - | - |
64 | Red Wine | Purple | - | Red | Green | Cyan | - | - |
66 | Red Wine | Purple | - | Red | Green | Cyan | - | - |
Means no color (white and no particular color shown).