| C | = | Concentration of the alpha-galactosidase (GalU/mL) in the sample solution obtained by interpolation of straight calibration |
| Pcp | = | Weight of sample (g) |
| 2g | = | Weight of the sachet (2 g) |
| VI | = | Volume of sample pour in the last dilution |
| Vf | = | Final volume dilution (mL) |