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toxins difference
Posted by Dr Shabir Ahmad on January 14, 2026 at 11:36 amHow to differentiate between mycotoxins and bacterial toxins?
Ahmed Reda ElGhandour replied 1 month, 4 weeks ago 6 Members · 5 Replies -
5 Replies
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Mycotoxins are small-molecule, stable compounds produced by fungi (molds) that cause chronic or acute illness, often found in stored grains and nuts. Bacterial toxins are typically larger proteins or lipopolysaccharides produced by bacteria (e.g., E. coli, B. cereus), causing rapid, often acute, infections
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To differentiate between these toxins, one must examine their biological origins and chemical properties: mycotoxins are secondary metabolites produced by fungi (molds), whereas bacterial toxins are produced by bacteria and are further classified as exotoxins (secreted proteins) or endotoxins (lipopolysaccharides from cell walls). Chemically, mycotoxins are typically small, heat-stable molecules that can survive standard cooking processes, while most bacterial exotoxins are larger proteins that are heat-labile and easily denatured by high temperatures. Furthermore, while mycotoxins often accumulate in crops and grains during growth or storage, bacterial toxins typically arise from contamination in prepared foods or direct infection within a host.
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Mycotoxins are toxic compounds produced by molds in feed, causing chronic problems like poor growth and low immunity, and they do not respond to antibiotics. Bacterial toxins are produced by bacteria, often cause acute illness, and may respond to appropriate antibiotic treatment after diagnosis
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