Edible oils extracted from plants are commonly known as vegetable oils. In addition to their use in cooking and baking, they’re found in processed foods, including salad dressings, margarine, mayonnaise, and cookies. Common vegetable oils include safflower oil, soybean oil, and canola oil.
Refined vegetable oils were not available until the 20th century, when the technology to extract them became available. These are extracted from plants using either a chemical solvent or oil mill. Then they are often purified, refined, and…READ FULL ARTICLE [HERE]>>