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Which of the following substrate cannot be utilized by the LAB to produce gas?

(a) Citrate

(b) Gluconate

(c) Amino acids

(d) Alkanes

The question was asked during an interview.

The question is from LAB and Fermented Vegetables topic in chapter Fermenting Vegetables & Milk, Fermenting Sour Tonic Beverages, Non-Food Applications of Fermentation of Fermentation Technology

1 Answer

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Best answer
Right option is (d) Alkanes

The best explanation: Alkanes cannot be used as a substrate by Lactic Acid Bacteria to produce the gas. Citrate, Gluconate, and amino acids are used as the substrate by lactic acid bacteria in the production of gas. They are used to provide flavor to food products.

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