Grapeseed oil is also more expensive to produce, says Venema. Canola oil’s relatively high smoke point and neutral flavor make it suitable for high-heat cooking methods like deep-frying ...
it's best to avoid canola oil. If you're concerned about the heating methods used to make canola oil, you can try cold-pressed canola oil. There are also non-GMO versions of canola oil and organic ...
Lastly, about that rancidity detail. Processing alone doesn't make oils rancid. Canola oil is shelf-stable for about one to two years, and like nearly all foods, it will eventually go bad ...