<prompt> Which of the following is true about holders method of pasteurizationIt kills all bacteria and sporesIt kills all bacteria except Coxiella burnettiIt kills 95 of microorganismsAll bacteria are destroyed  <response>: Pasteurization: Pasteurization is a technique in which heat is applied to liquids to kill potential agents of infection and spoilage, while at the same time retaining the liquids flavor and food value. Pasteurization is an example of sterilization at a temperature 100degC. Methods: 63degC for 30 min Holder method and 72degC for 15-20 sec Flash method followed by rapid cooling to 13oC Better method Pasteurization kills nearly 90 of bacteria in milk except ceain bacteria like Coxiella burnetti which is resistant to Holders method of sterilization but killed by Flash method of Sterilization. 