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Foodborne botulism is a potentially deadly condition that’s caused by eating food contaminated with botulinum toxin, a potent toxin that attacks the body’s nervous system.The disease is ...
The toxin is the protein botulinum toxin produced under anaerobic conditions (where there is no oxygen) [37] by the bacterium Clostridium botulinum. [38] Clostridium botulinum is a large anaerobic Gram-positive bacillus that forms subterminal endospores. [39] There are eight serological varieties of the bacterium denoted by the letters A to H.
C. botulinum is commonly associated with bulging canned food; bulging, misshapen cans can be due to an internal increase in pressure caused by gas produced by bacteria. [ 6 ] C. botulinum is responsible for foodborne botulism (ingestion of preformed toxin), infant botulism (intestinal infection with toxin-forming C. botulinum ), and wound ...
Though it has been suggested that the reason for using nitrite-containing curing salt is to prevent botulism, a 2018 study by the British Meat Producers Association determined that legally permitted levels of nitrite have no effect on the growth of the Clostridium botulinum bacteria that causes botulism, in line with the UK's Advisory Committee ...
Spores of Clostridium botulinum can survive cooking at 100 °C (212 °F), [5] and, in the anaerobic neutral pH storage environment, result in botulism. Often when making potted meat, the meat of only one animal was used, [3] [2] although other recipes, such as the Flemish potjevleesch, used three or four different meats (animals).
Botulinum toxin produced by Clostridium botulinum (an anaerobic, gram-positive bacterium) is the cause of botulism. [26] Humans most commonly ingest the toxin from eating improperly canned foods in which C. botulinum has grown. However, the toxin can also be introduced through an infected wound.
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When a canned food is sterilized insufficiently, most other bacteria besides the C. botulinum spores are killed, and the spores can germinate and produce botulism toxin. [30] Botulism is a rare but serious paralytic illness, leading to paralysis that typically starts with the muscles of the face and then spreads towards the limbs. [ 31 ]