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. Author manuscript; available in PMC: 2021 Dec 30.
Published in final edited form as: J Nutr Biochem. 2011 Sep 15;23(8):953–960. doi: 10.1016/j.jnutbio.2011.05.001

Table 1.

Inhibition of ATPase Activity by Theaflavins

Membrane-bound ATPase Activitya F1-ATPase Activityb
Inhibitor IC50 Maximum inhibition IC50 Maximum inhibition
(μM)c (%)c (μM)c (%)c
TF1 60 85 4.0 85
TF2A 20 95 3.0 90
TF2B 15 95 1.5 95
TF3 10 90 0.7 90
EGCG 30 95 4.5 90
a

Membrane-bound ATPase activity was about 0.7 μmoles ATP/min/mg protein

b

F1-ATPase activity was about 1.8 μmoles ATP/min/mg

c

IC50 concentrations and maximum inhibition % were determined from two replicates of 5-6 concentrations of inhibitor. The data are displayed in Supplementary Figure1.