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The anticarcingenic effect of methanol extracts from such cruciferous vegetables as cabbage, red cabbage, Korean cabbage, kale, cauliflower, broccoli, radish root, leafy radish, rape leaves and shepherd’s purse on the growth of human K-562 leukemia cells, MG-63 osteosarcoma cells, HT-29 colon cancer cells and AGS gastric cancer cells were studied. All of cruciferous vegetables inhibited more than 70% of the growth of K-52 leukemia cells and more than50% fo rhe growth fo AGS gastric cancer cells. Particularly, kale, broccoli and shepherd’s purse showed inhibition rates of 93.5%, 93,5% and 96.3% on the growth of AGS gastric cancer cells, respectively. In case of HT-29 colon cancer cells, the methanol extracts of cabbage, kale and shepherd’purse exhibited 82.4%, 72.15, 79.4% and 95.6% of inhibitory effects, respectively. The cabbage, kale, cauliflower and shepherd’s purse extracts also highly suppressed the proliferation of MG-63 cells. Generally the 10 cruciferous vegetable we studied strongly decreased the growth of various human cancer cells in vitro, however, kale and shepherd’s showed the most effective vegetable among them.
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