Canola's one of two cultivars of rapeseed or Brassica campestris (Brassica napus L. and B. campestris L.). Their seeds are used to produce edible oil that's fit for human consumption because it's lower levels of erucic acid than traditional rapeseed oils and to produce livestock feed because it's reduced levels of the toxin glucosinolates. Canola was originally naturally bred from rapeseed in Canada by Keith Downey and Baldur R. Stefansson in the early 1970s, but it's a very different nutrition… (More on Canola)