What is the thermal death point?: (A) Lowest temperature that kills all microbes in 10 min, (B) Highest temperature that kills all microbes in 1 min, (C) Temperature that kills 1% of a microbial population, (D) Optimum temperature required to kill 50% of a microbial population
Answer is A. Thermal death point or temperature- is the temperature at which an organism is killed in 10 minutes. Thermal death time- Time required to kill all cells at a given temperature in a specified environment. Decimal death time - The time required to kill 90% of cells at a paicular temperature