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Which compound is regarded as an excellent indicator of fish spoilage?

  • A.Trimethylamine
  • B.Glucose
  • C.Lactose
  • D.Ascorbic acid

Answer: A

Correct answer: Trimethylamine

Trimethylamine is the reduced product of the fish’s own trimethylamine oxide and is essentially absent from fresh fish, so its concentration rises directly with the activity of the spoilage flora. It is easily measured, it is what the nose detects, and it correlates well with sensory rejection.

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