1m3 of fermentation medium contains an initial concentration of 8.51010 spores. The medium is sterilised thermally at 121 C, and the spore density was noted with the progress of time as given below: Determine the specific thermal death rate (kd) at 121C. ...continuation from question above... Using the data from the question above, calculate the survival factor at 40 minutes. Choose from the options below the answer that is closer to yours 0.0023 cells 2.72 spores 0.023 (no units) 2.761013 (no units) 0.723min1 none of the above ...continuation from question above... If the sterility assurance level (SAL) should be 103 for the whole batch, estimate the required sterilisation time for the above fermentation medium at 121C. Choose from the options below the answer that is closer to yours 20.3 mins 45 seconds 121 mins 9 mins 44.4 mins none of the above