In: Mechanical Engineering
a broth suspension containing 1.20E + 06 bacterial
spores A with a D value of 2.3 minutes and 8.00E + 06 bacterial
spores of bacterium B with a D value of 15 minutes both heated at
121.1 Celsius
a). calculate the time needed to obtain the final microbial amount
of 1/1000
minute bacteria A
minute bacteria B
b). Determine the D250 value if after 10 minutes the live spores
live only 30 spores
minute bacteria A
minute bacteria B