Even after the processing to reduce the erucic acid content, it is still a penetrating oil. We have found that it turns rancid very fast. Also it leaves a residual rancid odor on clothing. Rape seed oil used for stir-frying in China found to emit cancer causing chemicals. Amal Kumar Maj.
Canola oil is a health hazard to use as a cooking oil or salad oil.
It is not the healthy oil we thought it was, it is not fit for human consumption.