seed oil extraction using a solar powered screw press-pdf free in South Africa
presses cannot reduce the level of residual oil in the press-cake below 3 to 5%. In the case of oil-rich seeds such as sesame or peanuts this may still be acceptable. Furthermore, most of the oil left in
In this review, old traditional methods, well-known and widely practiced conventional methods, and new, innovative methods of seed oil extraction are brought to focus and compared