Antimutagenic activities of common vegetables and their chlorophyll content. Lai, C., Butler, M., Matney, T. 1980. Mut. Res. 77(3):245-250.
Extractions from vegetables (carrots, lettuce, cabbage, parsley, spinach, broccoli) inhibited mutagenic activity in standard assays.
Inhibitory activity was correlated with chlorophyll content.