This is the final process in the refining of oils and fats. It is the removal of all odoriferous compounds remaining after the neutralising and bleaching operations have been carried out.
E
Emulsion
An Emulsion is an intimate mixture of two liquids which do not normally mix. It consists of minute globules of one liquid suspended in the other liquid. The breaking down of an emulsion into two distinct layers usually occurs over a relatively long period.
Erucic Acid
A monounsaturated fatty acid which is a minor component of British rapeseed oil (typically arounf 1% or less).
Ester Value
The Ester Value is a measure of the combined fatty acids present in an oil or fat.
Esterification
In oils and fats, a triglyceride is a compound formed by the combination of one molecule of glycerol (glycerine) and three molecules of fatty acid. The reaction is known as Esterification.
Eutectic
A Eutectic is a mixture of two fats (or any other substances) in which the physical characteristics (i.e. setting point, melting point, etc.) are lower than those of the components.
Expelling
A continuous process for obtaining oil from oilseeds by crushing in a screw press (or "expeller").
