• How does seed processing affect oil extraction?
  • Good seed processing results in high extraction yields (low residual oil content after extraction) and high-quality products (crude oil and meal) while keeping production costs low. In fact, the efficiency of oil extraction is strongly influenced by seed processing.
  • Are gas-based solvent-assisted mechanical extraction a good choice for industrial applications?
  • Since extraction remains the most critical step because of its impact on oil quality and quantity, new methods of gas- and solvent-assisted mechanical extraction have been proposed. The wide availability and low cost of petroleum-based solvents made them the best candidate for any industrial application.
  • How is oil extracted from oilseeds?
  • The aqueous extraction of oil from oilseeds involves the diffusion of lipids in water and the subsequent formation of emulsions. The emulsified oil can be separated by demulsification, e.g., through temperature change or using enzymes.
  • When should vegetable oil be extracted?
  • Extraction is always used when a residual oil content of <2% is desired. Most vegetable oils are obtained by solvent extraction. The solvent extraction process has the advantage of a much higher oil yield (<1% residual oil in the meal) than mechanical extraction, as well as lower operating costs per unit.
  • Are green extraction technologies a viable alternative to traditional extraction methods?
  • Therefore, in order to overcome the demerits associated with the existing methods, green extraction technologies have been developed as an alternative, which offer various advantages like less extraction time, high extraction yields, and quality and minimized solvent consumption.
  • Can ultrasound improve the quality of oil extraction from plant matrices?
  • Recently, Koubaa et al. (2016) described the use of new technologies such as ultrasound (US) and MW to improve the yield and quality of oil extraction from oil crops. In the extraction of plant matrices, a partially damaged cell wall significantly improves the accessibility of the oil for extraction.