Archive
oilseed-processing
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What is peroxide value in seed oils?
A measure of primary oxidation products, determined by ISO 3960 and expressed in milliequivalents of active oxygen per kilogram. It rises early…
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Cold-Pressed Seed Oils: What the Term Means and Which Numbers Prove It
Cold pressing preserves flavour and minor components and gives up yield and shelf life in exchange. This guide sets out what the…
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What is the difference between acid value and peroxide value in sunflower oil?
They measure two entirely different kinds of damage, and a buyer who treats them as interchangeable freshness indicators will eventually accept a…
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What is high oleic sunflower oil?
High oleic sunflower oil is oil from sunflower varieties bred so that oleic acid dominates the fatty acid profile, rather than the…
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Sunflower Oil: Specifications, Refining and How the Trade Works
A technical buyer’s guide to sunflower oil. The refining sequence and what each step controls, acid value against peroxide value, Lovibond colour…
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Oilseed Conditioning
Oilseed conditioning heats and moistens seeds before pressing or flaking to optimise moisture and temperature for oil release. Proper conditioning improves press…
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Defatted Meal
Defatted meal is oilseed meal from which nearly all oil has been removed by solvent extraction, leaving low residual oil and high…
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Mechanical Pressing
Mechanical pressing extracts oil from oilseeds by squeezing them in a screw or expeller press. It produces oil and a press cake…
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Expeller Press
An expeller press is a continuous screw press that compresses oilseeds under high pressure to expel oil, leaving a pressed cake. It…
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Cold-Pressed Oil
Cold-pressed oil is obtained by mechanical pressing without external heat, keeping pressing temperatures low to preserve flavour, colour and natural antioxidants. It…