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Mycotoxin formation in stored produce is favoured by

  • A.storage under carbon dioxide at low temperature
  • B.rapid drying immediately after harvest
  • C.warm, damp and humid conditions
  • D.dry, cold and well-ventilated storage

Answer: C

Correct answer: warm, damp and humid conditions

Toxigenic moulds need moisture and warmth to grow, and mycotoxin production generally requires conditions even more favourable than growth itself. This is why drying grain promptly to a safe moisture content and keeping stores cool and ventilated is the whole of mycotoxin control - the toxins are heat-stable and cannot be removed once formed.

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