| Sugar in mmol/I | 800 | 400 | 200 | 100 | 50 | 25 | PBS |
| Maltose | +++ | +++ | +++ | − | − | − |
|
| Fructose | +++ | +++ | +++ | − | − | − |
|
| Ribose | − | + | ++++ | ++++ | ++++ | ++++ |
|
| Galactose | ++++ | ++++ | ++++ | ++ | ++ | ++ |
|
| Xylose | +++ | +++ | +++ | − | − |
|
|
| Sucrose | + | ++ | ++ | ++++ | ++++ |
|
|
| Glucose | + | ++ | ++ | ++++ | ++++ |
|
|