Figure 2From: Dietary antioxidants protect gut epithelial cells from oxidant-induced apoptosisProliferation curves for IEC-18 cells, based on the MTT assay, for cell respiration over a 72 hour period in response to the antioxidants – cat's claw, green tea, or vitamin C. These antioxidants had no detrimental effect on cell proliferation at the concentrations used in this study, 10 μg/ml.Back to article page