Which of the following is true about clostridium botulinum?
(a) It is at a pH of 4.5
(b) Foods containing this require good heat treatment
(c) One millionth of a gram of toxin produced also will kill man
(d) All of the mentioned
The question was asked in an interview for internship.
My question comes from Principles of Food Preservation by Canning-2 in chapter Principles of Food Preservation by Canning and Drying and Principles of Food Concentrates of Food Engineering