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Flaking of oilseed before extraction is carried out to

  • A.Rupture the cell walls
  • B.Raise the seed's moisture content
  • C.Remove the hull from the kernel
  • D.Neutralise free fatty acids

Answer: A

Passing the seed between smooth rolls breaks the oil-bearing cells and produces a thin flake, so solvent or pressure has only a short distance to work over. Flake thickness of a quarter to a third of a millimetre is typical, and getting it wrong costs either yield or throughput.

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