Microbiology General a90f1f74 Preformed toxin produces diarrhea in which organism ? A Staphylococcus B Vibrio cholera C Salmonella D Escherichia coli High-Yield Explanation Example of Preformed toxin i.e. toxin secreted in food: S.aureus enterotoxin, Bacillus cereus emetic type of enterotoxin and botulinum toxin.