Solvent extraction | The Olive Oil Source

Solvent extraction


Seeds, sometimes reduced in size, or cake remaining after pressing are extracted with industrial hexane (a mixture of hexane and methylpentane). Solvent is recovered for re-use but some is lost in the oil (~ 2 litres/tonne) and in the meal (~ 8–10 litres/tonne).

M.A. Williams, Lipid Technologies and Applications (ed. F.D. Gunstone and F.B. Padley) Marcel Dekker, New York (1997), pp.113-135. J.-M. Fils, Edible Oil Processing (eds W. Hamm and R.J. Hamilton), Sheffield Academic Press, Sheffield (2000), pp.47-78.