Which of the following is true about pasteurization?
Ans. is 'b' i.e., It kills all bacteria except thermoduric bacteria (Ref: Ananthanarayan, 9th/e, p. 31, 8th/e, p. 31-32) Thermoduric bacteria - Bacteria which can survive, to varying extents, the pasteurization process.Pasteurization kills nearly 90% of bacteria in milk except certain bacteria like Coxiella burnetti which is resistant to Holders method of sterilization but killed by Flash method of Sterilization.
It kills all bacteria and spores
It kills all bacteria except thermoduric bacteria
It kills 95% of microorganisms
All bacteria are destroyed
General