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Which of the following antibiotics is suitable for the use in dairy industries?

(a) Streptomycin

(b) Gentamicin

(c) Tyrothricin

(d) Bacteriocin nisin

This question was addressed to me in an online interview.

My question is from Yeast Handling in Brewery topic in chapter Yeast Management & Microbiology of Fermentation Technology

1 Answer

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Best answer
The correct choice is (d) Bacteriocin nisin

Easiest explanation: Bacteriocin nisin is suggested as a safer alternative as compared to the advantages of other antibiotics. Nisin has been widely used in the dairy and canning industries and exhibits activity against a wide spectrum of bacteria and Gram-positive species.

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