Find comprehensive comparison charts of oil fat content and FDA recognized additives on the Center For Science in the Public Interest website, CSPInet.org, EatingRules.com and the culinary arts section of About.com. The Weston A. Price Foundation discusses oil additives such as hexane and antioxidants on its website, WestonAPrice.org.
The Food and Drug Administration regularly updates a list of recognized additives on its website, FDA.gov. Search for specific oils on this list for detailed information about the associated additives.
As of January 2016, About.com features a list of common cooking oils and the approximate grams of saturated, mono-unsaturated, poly-unsaturated and trans fat per teaspoon. These fats are often associated with different chemical additives and have unique potential risk factors.