Question

Which of the following is present in a major amount for the production of bacterial amylase?

(a) Amber BYF

(b) Lactose

(c) Ground soya bean meal

(d) Antifoam

The question was posed to me in an interview for internship.

This key question is from Practical Benefits topic in chapter Practical Benefits of Fermentation of Fermentation Technology

Answer 1

Right choice is (b) Lactose

The explanation is: Lactose is present in the major amount being 47.5 g/L in the fermentation medium for the production of bacterial amylases. The variety of bacteria produce amylase but only amylases from Bacillus subtilis and Bacillus diastaticus have been produced on a commercial basis.