Lesson 3, Topic 9
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Biological Toxins

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Purchase fish from approved suppliers – cooking or freezing cannot destroy these toxins. Some toxins naturally occur in certain plants, mushrooms, and seafood. All produce should be purchased from an approved supplier. This will prevent illnesses associated with wild mushrooms, and produce that has been contaminated with sewage or chemicals.

Seafood Toxins

  1. Scombroid – Histamine Toxin – Tuna, Mackerel, Bonito, Mahi Mahi that are time-temperature abused
  2. Ciguatera – Ciguatoxin, predatory reef fish (Barracuda, Grouper, Jacks, and Snapper) – marine algae