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Isolation and Quantification of Botulinum Neurotoxin From Complex Matrices Using the BoTest Matrix Assays
Published on: March 3, 2014
[Botulism after intake of half-fermented fish]
T Jensen1, D Jacobsen, E von der Lippe
1Overvåkingsavdelingen, Klinikk for akuttmedisin, Ullevål sykehus, Oslo.
Summary
Foodborne botulism in Norway is often caused by half-fermented fish. Improper storage temperatures allowed toxin development in one case, highlighting the risks of home-prepared fermented foods.
Area of Science:
- Food Science
- Microbiology
- Public Health
Background:
- Foodborne botulism is a serious concern, with half-fermented fish identified as a primary source in Norway.
- From 1975 to 1997, 21 cases were reported, emphasizing the need for understanding transmission routes.
Observation:
- A case of botulism is detailed following the consumption of home-prepared half-fermented fish.
- Seven individuals consumed fish from the same source; however, only two exhibited symptoms.
- The fish was initially stored at 13°C, a condition conducive to toxin formation.
Findings:
- Type E botulinum toxin was detected in moderate concentrations within the fish samples.
- The patient received specific antitoxin therapy, leading to a progressive recovery.
Implications:
- This case underscores the critical role of proper temperature control during the preparation and storage of fermented fish to prevent botulism.
- Public health awareness regarding the risks associated with consuming improperly prepared traditional foods is essential.
- Further research into optimal fermentation and storage practices for fish can mitigate the incidence of foodborne botulism.
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