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The destruction of microorganisms by moist heat is described by ______________

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in Fermentation Technology by (72.1k points)
The destruction of microorganisms by moist heat is described by ______________

(a) Zero-order reaction

(b) First-order reaction

(c) Third-order reaction

(d) Second-order reaction

This question was addressed to me during an online interview.

This intriguing question originated from Batch Sterilization in chapter Sterilization of Fermentation Technology

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Right answer is (b) First-order reaction

Best explanation: The destruction of microorganisms by moist heat or stream is described by First-order reaction and may be represented by the equation, -dN/dt = kN, where N is the number of viable organisms, t is the time of sterilization and reaction rate constant.

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