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Table 2 Changes in AGS Cell Viability (MTT Assay) in Response to Oxidants and the Effects of Dietary Antioxidants

From: Dietary antioxidants protect gut epithelial cells from oxidant-induced apoptosis

Treatment

Agonist

Agonist + Cat's claw

Agonist + Green tea

Agonist + Vitamin C

H2O2

91.2 ± 3.6

104.0 ± 4.1

105 ± 3.1

89.8 ± 2.7

Peroxynitrite

86.8 ± 3.7

93.3 ± 3.1

101.0 ± 3.2

91.3 ± 2.7

DPPH

70.4 ± 1.3

74.2 ± 2.5

79.7 ± 1.8*

69.5 ± 1.4

  1. Viability was determined by the MTT assay and results are expressed as a percentage of control values (Mean ± SEM), N = 6 in each group. The * indicates a significant improvement in cell viability when compared to agonist alone (P < 0.05).