Some of the oil seeds are crushed in oil expellers directly and some are not crushed. This decision is taken based on the oil percen-tage in the oil seeds. In general if the oil percentage is more than 20% the seed is treated in expellers. Otherwise, it is not economical to expel the seed.
Various Activities of Oil Mills
Before actual crushing of the seed for obtaining oil, following important steps should be observed.
In order to extract better quality of oil most efficiently, using minimum pressure and electricity, proper conditioning of the seeds is very essential. The following two factors ensures main-ly most effective conditioning.