Archive
oilseed-processing
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Defatted Meal
Defatted meal is oilseed meal from which nearly all oil has been removed by solvent extraction, resulting in low residual fat and…
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Mechanical Pressing
Mechanical pressing is a solvent-free oil extraction method in which oilseeds are compressed in a screw or expeller press to expel oil,…
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Expeller Press
An expeller press is a continuous screw-type machine that compresses oilseeds under high mechanical pressure to expel oil, producing both a crude…
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Cold-Pressed Oil
Cold-pressed oil is vegetable oil obtained solely by mechanical pressing at a temperature low enough to preserve natural flavour, colour and antioxidants,…
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Solvent Extraction
Solvent extraction is an industrial oilseed processing method in which prepared flakes are washed with a solvent, typically hexane, to dissolve and…
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Hexane
Hexane is a hydrocarbon solvent widely used in industrial oilseed extraction because it dissolves oil efficiently and is readily recovered by distillation,…
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Crude Oil
Crude oil, in food and agri trade, is the unrefined vegetable oil obtained directly from pressing or solvent extraction, containing phospholipids, free…
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Degumming
Degumming is the first stage of vegetable oil refining, in which phospholipids and related gums are removed from crude oil by treatment…
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Neutralization
Neutralization is the refining stage in which free fatty acids in degummed crude oil are reacted with an alkali solution to form…
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Oil Refining
Oil refining is the sequence of industrial treatments, typically degumming, neutralisation, bleaching and deodorisation, that converts crude vegetable oil into an edible,…