Corn (Zea mays L.) is one of the most relevant and cultivated cereals. During the processing of corn, especially in obtaining edible oil, large quantities of by-products are generated, called corn germ oil processing by-products. In this sense, this chapter provides…
Why are different compositions verified for corn germ oil processing by-products?
Different compositions are verified for corn germ oil processing by-products, mainly due to the diversity of extraction processes to which the corn is submitted.
What is corn germ oil?
Corn germ contains a lot of nutrients such as protein, fat and vitamins. The protein content is about 15%, fat content is about 45% (of which 85% are unsaturated fatty acids based on oleic acid and linoleic acid), otherwise, about 8 % of dietary fiber. Corn germ oil is the oil extracted from corn germ at low temperature.
What fatty acids are in corn germ oil?
The main fatty acids in corn germ oil are linoleic (39–63%), oleic (20–42%), and palmitic (9–17%) [ 12 ]. According to the same authors, several methods are used for the recovery of corn germ oil, such as pressing, solvent, extraction of aqueous, enzymatic, and supercritical fluid.
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