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  • How does seed production affect oil extraction process?
  • The increase in the quantity of seed being slightly lower than the increase in oil production, it demonstrates an improvement of oil extraction processes. Generally, the oil extraction is based on two main steps: pressing (solid?liquid expression) and solvent extraction.
  • What are the methods of oil extraction from oil seeds?
  • 7. Conclusions Oil extraction methods from oil seeds include conventional methods (solvent and mechanical extraction) and nonconventional or improved techniques (supercritical fluid extraction, ultrasound, microwave, and enzyme assisted extraction.
  • Is MPE suitable for extraction of camellia seed oil?
  • MPE is suitable for extraction from seeds with high oil contents (>25%) [ 71 ]. Nowadays, MPE accounts for the largest market share among the processes used for camellia seed oil extraction in China [ 72 ]. However, MPE is often hampered by low oil yield, and certain amounts of oils are left in the pressed cakes.
  • Can traditional extraction methods be used in industrial production of camellia seed oil?
  • Conventional extraction methods (MPE and SE) are widely used for the industrial production of camellia seed oil. Innovative extraction technologies are currently being developed to address the drawbacks of the aforementioned traditional methods. However, various pitfalls must be overcome before these methods can be used at the industrial scale.