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Discussion

Desolventising and toasting of the extracted meal serves to

  • A.Remove the hulls
  • B.Strip solvent and improve the meal
  • C.Raise the meal's oil content
  • D.Bleach the meal

Answer: B

Steam sparging drives off the hexane while the heat inactivates trypsin inhibitors and other antinutritional factors. Over-toasting damages lysine, so the operation is a balance rather than simply a matter of heating hard.

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