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War paint plant 'tackles breast cancer'15 August 2006 Anti-cancer chemicals have been found in large quantities in woad, a plant the ancient Britons used to make war paint. The woad plant, a relative of broccoli, has been found to contain high levels of the anti-cancer compound glucobrassicin, which is particularly effective at tackling breast cancer. Broccoli itself is a rich source of glucobrassicin, but researchers at the University of Bologna in Italy found that the woad plant actually contains levels over 20 times higher. Published in the Journal of the Science of Agriculture, the authors of the study explained that they even managed to enhance the potency of the cancer-fighting chemical to nearly 65 times its normal level, using various treatments. The compound has been shown to play an active role in tackling cancer-causing chemicals in humans, especially derivatives from oestrogen in women - high levels of which can lead to an increased risk of developing breast cancer. So far scientists have been unable to perform extensive tests on broccoli and other vegetables to fully assess the effectiveness of the chemical, but they now hope the high levels obtained from woad may enable them to carry out in-depth research into how glucobrassicin acts in the body. More information
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