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Percentage inhibition of various Miang extract concentrations toward intracellular reactive oxygen species (ROS) production in HT-29 colorectal cells induced by hydrogen peroxide using N-acetylcysteine (NAC, 50 µM), L-ascorbic acid (250 µM), and catechin (125 µM) as positive controls. Different asterisks (*) represent significant differences in group percentages at p < 0.05 vs. the positive control.
