After all. the with the the products is not so high conventional hydrotreating and catalytic cracking mentioned above. ii should be caused by the presence of unsaturated fatty acid moieties. which leads to various side reactions. Actually, Dos Anjos et al. studied the catalytic cracking of prehydrogenated soybean oil as well as crude one, reporting that prehydrogenated oil yielded essentially pure hydrocarbon products, while crude oil yielded a mixture of oxygen-containing products and the lower molecular weight hydrocarbons 20