These very common chemicals are used as a fat stabilizer to prevent it from becoming oxidized and rancid. To late for these chemicals.
Lets take a look a more indepth look at the ingredients starting with the preservatives.
Ethoxyquin Ethoxyquin is an antioxidant that the FDA has approved to be used in animal feeds for over 30 years. This product was originally developed by Monsanto for use as a preservative for rubber. Monsanto's employees are required to wear safety equipment while handling this product. Monsanto has claimed to have done a 5 year study on it's efficacy and safety, but to my knowledge it has never been released and is apparently unavailable. This chemical is also used as a spray for apple scale, pesticides and a herbicide.