Vegetable chip chips may be prepared with sliced vegetables that are fried, deep-fried, baked, dehydrated, or simply dried. Vegetable chips may be produced from a variety of root vegetables and leaf vegetables, such as carrot, turnip, parsnip, beet, radish, taro root, sweet potato, garlic, zucchini, cassava, kale, spinach, fennel and jicama, among others. Some baked versions utilize vegetables that are sliced, lightly tossed in oil, and then oven-baked until crisp. Vegetable chips prepared using this method have been described as more healthful compared to deep fried chips, particularly when prepared using "heart-healthy" olive oil. Simple versions are prepared by slicing vegetables and
Vegetable oil refining oil, known as a triterpene, which is transformed into alkanes by a different process. Based on its feedstock green diesel could be classified as biodiesel; however, based on the processing technology and chemical formula green diesel and biodiesel are different products. The chemical reaction commonly used to produce biodiesel is known as transesterification. Vegetable oil and alcohol are reacted, producing esters, or biodiesel, and the coproduct, glycerol. When refining vegetable oil, no glycerol is produced, only fuels. Various stages of converting renewable hydrocarbon fuels produced by hydrotreating is done throughout energy industry. Some commercial examples of vegetable oil refining are