Experiment #NPDI-38xlLg CSV JSON

In Vitro Enzyme Inhibition Experiment

Inhibition was detected.  Cutoff used — N/A

diclofenac 1124300

epigallocatechin gallate 19058494


  • CYP2C9 4309227

Recombinant expression system Not available
Cytochrome B5 Not available


The apparent Ki value is presented in the table.
Additional study using TA1538 cell membrane fractions of P450 reductase found that (-)-epigallocatechin gallate inhibited this enzyme competitively with an apparent Ki value of 2.5 µM.

Sample Compound measured Value Measurement Study sequence Additional information N replicates

Experimental Conditions

Experiments were conducted using TA1538 cell membrane fractions expressing P450 reductase and individual CYP isoforms.

CYP: 20 pmol/mL

In-house preparation

0.25 mL

15 min

NADPH regenerating system

Not available

Not available

5 µM

20 µM