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Winterisation of an oil is carried out to

  • A.Remove colour
  • B.Remove solvent traces
  • C.Remove waxes that would cloud the oil
  • D.Remove free fatty acids

Answer: C

The oil is chilled slowly so the high-melting fractions crystallise and can be filtered off, leaving a product that stays clear in a refrigerator. Sunflower and rice bran oils need it particularly because of their wax content.

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