• How to extract oil from corn germ during flour processing?
  • This work aimed the recovery of oil and protein fractions from corn germ (CG) generated as a by-product during flour processing. Several oil extraction techniques were investigated: hexane at room temperature, hexane at 45 ¡ãC, supercritical carbon dioxide (Sc-CO 2) and Soxhlet with hexane and ethanol.
  • What is corn germ oil processing by-products?
  • 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…
  • Does corn germ oil contain linoleic acid?
  • Corn germ oil is one of the nutritional vegetable oils with a high content of unsaturated fatty acids (¡Ý 80%), especially linoleic acid (¡Ý 50%) (Table 4 ), total trans fatty acid content was <0.3% [ 124, 125 ]. As known, linoleic is an essential fatty acid for humans that cannot be synthesized in human bodies.
  • Is corn germ hard to process?
  • But because corn germ can be notoriously tough to process, it requires the right extraction equipment to press oil efficiently to get optimal returns. Here¡¯s what you need to know about processing corn germ to capitalize on the commercial value of its oil. Whole corn kernels only contain a small amount of fat, around 5% by weight.
  • How is corn germ extracted from starch?
  • During the wet milling process, the germ is isolated from the starch using cyclone separators, washed, and dried. The dried germ contains about 50% oil, in which the oil constitutes about 85% of the total amount of oil present in the corn. The oil is produced by first expelling the germ and then extracting the expeller cake with n -hexane.
  • Does Tempering degerming reduce endosperm fractions in corn germ-bran mixture?
  • The tempering-degerming process implemented to achieve the corn germ-bran mixture may let more endosperm fractions attached to the germ than the dry mechanical degerming and bran separation implemented by Castelmais. 3.2. Oil recovery and characterization Table 1 summarizes data of yields and oil composition for the different extraction methods.