Rapeseed and canola have been genetically modified to make vegetable oil.
There is a genetically modified Canola that is resistant to the herbicide RoundUp.Canola Council of Canada said:In the late 1960s, plant scientists used traditional plant breeding methods to get rid of rapeseed's undesirable qualities - erucic acid and glucosinolates.
http://www.canolacouncil.org/oil-and-meal/canola-oil/canola-the-myths-debunked/
Bob
