Microbiology of the food chain — Polymerase chain reaction (PCR) for the detection of food-borne pathogens — Detection of botulinum type A, B, E and F neurotoxin-producing clostridia
食物链微生物学——聚合酶链反应(PCR)检测食源性病原体——A、B、E和F型肉毒毒素产生梭菌的检测
ISO/TS 17919:2013 specifies a horizontal method for the molecular detection of clostridia carrying botulinum neurotoxin A, B, E, and F genes by a PCR method. This method detects the genes and not the toxins, therefore a positive result does not necessarily mean the presence of these toxins in the sample investigated. ISO/TS 17919:2013 is applicable to products for human consumption, animal feed, and environmental samples.
The PCR assays for detection of genetic sequences encoding specific toxin types are described in annexes.