F00574 013 f031

Spores contaminate cereals ¹ e9-

rice

Parboiled (insufficient « to kill spores)

Rapid deep-fry kills organisms but does not inactivate toxin

of pre-formed toxin in fried rice

Secondary contamination of cooked foods

Storage at inappropriate temperatures aliows organisms to germinate'

of food contaminated by spores or viable bacteria

Multiplication of organisms within gut lumen and elution of toxin

Acute vomiting ± diarrhoea 2-4 hours post-ingestion

Significant enterocolitis 12-24 hours post-ingestion

© Elsevier. Boon et al.: Davidson's Principles and Practice of Medicine 20e - www.studentconsult.com