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Calculated inhibition kinetics parameters for the soluble (SPP) and the insoluble-bound polyphenol (IBPP) fractions from guarana powder (Paullinia cupana) on alpha-glucosidase.
| Km (mM) |
Vmax (OD/min) |
KI (µg/mL) |
K’I (µg/mL) |
K’I/KI | Inhibition Mode | |
|---|---|---|---|---|---|---|
| No inhibitor | 0.128 | 0.020 | / | / | / | / |
| SPP | 0.489 | 0.003 | 0.403 | 1.735 | 4.30 | Mixed |
| IBPP | 0.292 | 0.007 | 0.287 | 0.847 | 2.95 | Mixed |
