Assay Method Information | |
| Inhibition Assay |
Description: | Reader: Synergy HT program: tyrosinase 280-490 kinetics: kinetics over 45 minutes, reading at t=10 minutes, Tests in transparent 96-well plates, Phosphate buffer (pH 6.8), Enzyme: mushroom tyrosinase (T-3824, Sigma), Substrate: L-tyrosine (T-3754, Sigma), Positive control: Kojic acid (KA) (60890, Fluka) (reference inhibitor). Reference Molecules for the Test: Kojic acid: 9 μM<IC50<20 μM (PPO), 3 &muM<IC50<7 μM (MPMO); Vitamin C: 20 μM<IC50<40 μM (PPO); Reduced glutathione: 55% inhibition at 25 μM (PPO), IC50=1-2 μM (MPMO); Hydroquinone: IC50=3-4 μM (MPMO); Arbutin: 57% inhibition at 88 μM (MPMO). |
Affinity data for this assay | |
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