"To get this effect, spice up your broccoli with broccoli sprouts, mustard, horseradish, or wasabi. The spicier, the better; that means it's being effective," said study author Elizabeth Jeffery, University of Illinois professor of nutrition.
http://ummid.com/news/2011/September/14.09.2011/spice_up_broccoli.htm
http://ummid.com/news/2011/September/14.09.2011/spice_up_broccoli.htm
